From f660e3460a00494a403f1a856824c8103d9e2777 Mon Sep 17 00:00:00 2001 From: Matthew Brush Date: Mon, 4 Mar 2013 01:39:33 -0800 Subject: [PATCH] Initial commit All of the files from the tarball downloaded from SourceForge are being checked in so there's a record of the changes made compared to it (since I can't find the libcfu source repository). The generated files will be removed in the following commit. --- AUTHORS | 1 + COPYING | 33 + ChangeLog | 8 + INSTALL | 229 ++ Makefile.am | 12 + Makefile.in | 554 +++ NEWS | 0 README | 4 + acinclude.m4 | 4 + aclocal.m4 | 1028 ++++++ configure | 6860 +++++++++++++++++++++++++++++++++++++ configure.ac | 59 + depcomp | 479 +++ doc/Makefile.am | 13 + doc/Makefile.in | 461 +++ doc/libcfu.info | 956 ++++++ doc/libcfu.texi | 969 ++++++ doc/mdate-sh | 133 + doc/stamp-vti | 4 + doc/texinfo.tex | 6735 ++++++++++++++++++++++++++++++++++++ doc/version.texi | 4 + examples/Makefile.am | 11 + examples/Makefile.in | 418 +++ examples/conf_example.c | 42 + examples/conf_example2.c | 48 + examples/hash_usage.c | 133 + examples/large_hash.c | 162 + examples/opt_example.c | 56 + examples/strings.c | 99 + include/cfu.h | 82 + include/cfu.h.in | 82 + include/cfuconf.h | 126 + include/cfuhash.h | 277 ++ include/cfulist.h | 167 + include/cfuopt.h | 38 + include/cfustring.h | 126 + include/cfuthread_queue.h | 100 + include/cfutime.h | 74 + include/cfutypes.h | 13 + include/cfutypes.h.in | 13 + install-sh | 294 ++ missing | 336 ++ mkinstalldirs | 111 + src/Makefile.am | 28 + src/Makefile.in | 497 +++ src/TODO | 4 + src/cfu.c | 81 + src/cfuconf.c | 811 +++++ src/cfuhash.c | 897 +++++ src/cfulist.c | 552 +++ src/cfuopt.c | 604 ++++ src/cfustring.c | 631 ++++ src/cfuthread_queue.c | 152 + src/cfutime.c | 91 + src/libcfu-config.c | 74 + 55 files changed, 25776 insertions(+) create mode 100644 AUTHORS create mode 100644 COPYING create mode 100644 ChangeLog create mode 100644 INSTALL create mode 100644 Makefile.am create mode 100644 Makefile.in create mode 100644 NEWS create mode 100644 README create mode 100644 acinclude.m4 create mode 100644 aclocal.m4 create mode 100755 configure create mode 100644 configure.ac create mode 100755 depcomp create mode 100644 doc/Makefile.am create mode 100644 doc/Makefile.in create mode 100644 doc/libcfu.info create mode 100644 doc/libcfu.texi create mode 100755 doc/mdate-sh create mode 100644 doc/stamp-vti create mode 100644 doc/texinfo.tex create mode 100644 doc/version.texi create mode 100644 examples/Makefile.am create mode 100644 examples/Makefile.in create mode 100644 examples/conf_example.c create mode 100644 examples/conf_example2.c create mode 100644 examples/hash_usage.c create mode 100644 examples/large_hash.c create mode 100644 examples/opt_example.c create mode 100644 examples/strings.c create mode 100644 include/cfu.h create mode 100644 include/cfu.h.in create mode 100644 include/cfuconf.h create mode 100644 include/cfuhash.h create mode 100644 include/cfulist.h create mode 100644 include/cfuopt.h create mode 100644 include/cfustring.h create mode 100644 include/cfuthread_queue.h create mode 100644 include/cfutime.h create mode 100644 include/cfutypes.h create mode 100644 include/cfutypes.h.in create mode 100755 install-sh create mode 100755 missing create mode 100755 mkinstalldirs create mode 100644 src/Makefile.am create mode 100644 src/Makefile.in create mode 100644 src/TODO create mode 100644 src/cfu.c create mode 100644 src/cfuconf.c create mode 100644 src/cfuhash.c create mode 100644 src/cfulist.c create mode 100644 src/cfuopt.c create mode 100644 src/cfustring.c create mode 100644 src/cfuthread_queue.c create mode 100644 src/cfutime.c create mode 100644 src/libcfu-config.c diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..fde4a9f --- /dev/null +++ b/AUTHORS @@ -0,0 +1 @@ +libcds was written by Don Owens diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..1059ec6 --- /dev/null +++ b/COPYING @@ -0,0 +1,33 @@ +Copyright (c) 2005 Don Owens +All rights reserved. + +This code is released under the BSD license: + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..41aecf1 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,8 @@ +Version 0.03 + * Added command-line option processing + * Added libcfu-config + * Added a map function to cfulist: cfulist_map() + * Added cfulist_new_with_free_fn() +Version 0.02 + * Fixed build problems on FreeBSD + * Corrected missing info direntry in the docs diff --git a/INSTALL b/INSTALL new file mode 100644 index 0000000..54caf7c --- /dev/null +++ b/INSTALL @@ -0,0 +1,229 @@ +Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software +Foundation, Inc. + + This file is free documentation; the Free Software Foundation gives +unlimited permission to copy, distribute and modify it. + +Basic Installation +================== + + These are generic installation instructions. + + The `configure' shell script attempts to guess correct values for +various system-dependent variables used during compilation. It uses +those values to create a `Makefile' in each directory of the package. +It may also create one or more `.h' files containing system-dependent +definitions. Finally, it creates a shell script `config.status' that +you can run in the future to recreate the current configuration, and a +file `config.log' containing compiler output (useful mainly for +debugging `configure'). + + It can also use an optional file (typically called `config.cache' +and enabled with `--cache-file=config.cache' or simply `-C') that saves +the results of its tests to speed up reconfiguring. (Caching is +disabled by default to prevent problems with accidental use of stale +cache files.) + + If you need to do unusual things to compile the package, please try +to figure out how `configure' could check whether to do them, and mail +diffs or instructions to the address given in the `README' so they can +be considered for the next release. If you are using the cache, and at +some point `config.cache' contains results you don't want to keep, you +may remove or edit it. + + The file `configure.ac' (or `configure.in') is used to create +`configure' by a program called `autoconf'. You only need +`configure.ac' if you want to change it or regenerate `configure' using +a newer version of `autoconf'. + +The simplest way to compile this package is: + + 1. `cd' to the directory containing the package's source code and type + `./configure' to configure the package for your system. If you're + using `csh' on an old version of System V, you might need to type + `sh ./configure' instead to prevent `csh' from trying to execute + `configure' itself. + + Running `configure' takes awhile. While running, it prints some + messages telling which features it is checking for. + + 2. Type `make' to compile the package. + + 3. Optionally, type `make check' to run any self-tests that come with + the package. + + 4. Type `make install' to install the programs and any data files and + documentation. + + 5. You can remove the program binaries and object files from the + source code directory by typing `make clean'. To also remove the + files that `configure' created (so you can compile the package for + a different kind of computer), type `make distclean'. There is + also a `make maintainer-clean' target, but that is intended mainly + for the package's developers. If you use it, you may have to get + all sorts of other programs in order to regenerate files that came + with the distribution. + +Compilers and Options +===================== + + Some systems require unusual options for compilation or linking that +the `configure' script does not know about. Run `./configure --help' +for details on some of the pertinent environment variables. + + You can give `configure' initial values for configuration parameters +by setting variables in the command line or in the environment. Here +is an example: + + ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix + + *Note Defining Variables::, for more details. + +Compiling For Multiple Architectures +==================================== + + You can compile the package for more than one kind of computer at the +same time, by placing the object files for each architecture in their +own directory. To do this, you must use a version of `make' that +supports the `VPATH' variable, such as GNU `make'. `cd' to the +directory where you want the object files and executables to go and run +the `configure' script. `configure' automatically checks for the +source code in the directory that `configure' is in and in `..'. + + If you have to use a `make' that does not support the `VPATH' +variable, you have to compile the package for one architecture at a +time in the source code directory. After you have installed the +package for one architecture, use `make distclean' before reconfiguring +for another architecture. + +Installation Names +================== + + By default, `make install' will install the package's files in +`/usr/local/bin', `/usr/local/man', etc. You can specify an +installation prefix other than `/usr/local' by giving `configure' the +option `--prefix=PATH'. + + You can specify separate installation prefixes for +architecture-specific files and architecture-independent files. If you +give `configure' the option `--exec-prefix=PATH', the package will use +PATH as the prefix for installing programs and libraries. +Documentation and other data files will still use the regular prefix. + + In addition, if you use an unusual directory layout you can give +options like `--bindir=PATH' to specify different values for particular +kinds of files. 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The +`README' should mention any `--enable-' and `--with-' options that the +package recognizes. + + For packages that use the X Window System, `configure' can usually +find the X include and library files automatically, but if it doesn't, +you can use the `configure' options `--x-includes=DIR' and +`--x-libraries=DIR' to specify their locations. + +Specifying the System Type +========================== + + There may be some features `configure' cannot figure out +automatically, but needs to determine by the type of machine the package +will run on. Usually, assuming the package is built to be run on the +_same_ architectures, `configure' can figure that out, but if it prints +a message saying it cannot guess the machine type, give it the +`--build=TYPE' option. TYPE can either be a short name for the system +type, such as `sun4', or a canonical name which has the form: + + CPU-COMPANY-SYSTEM + +where SYSTEM can have one of these forms: + + OS KERNEL-OS + + See the file `config.sub' for the possible values of each field. 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Or, you can set the +`CONFIG_SITE' environment variable to the location of the site script. +A warning: not all `configure' scripts look for a site script. + +Defining Variables +================== + + Variables not defined in a site shell script can be set in the +environment passed to `configure'. However, some packages may run +configure again during the build, and the customized values of these +variables may be lost. In order to avoid this problem, you should set +them in the `configure' command line, using `VAR=value'. For example: + + ./configure CC=/usr/local2/bin/gcc + +will cause the specified gcc to be used as the C compiler (unless it is +overridden in the site shell script). + +`configure' Invocation +====================== + + `configure' recognizes the following options to control how it +operates. + +`--help' +`-h' + Print a summary of the options to `configure', and exit. + +`--version' +`-V' + Print the version of Autoconf used to generate the `configure' + script, and exit. + +`--cache-file=FILE' + Enable the cache: use and save the results of the tests in FILE, + traditionally `config.cache'. FILE defaults to `/dev/null' to + disable caching. + +`--config-cache' +`-C' + Alias for `--cache-file=config.cache'. + +`--quiet' +`--silent' +`-q' + Do not print messages saying which checks are being made. To + suppress all normal output, redirect it to `/dev/null' (any error + messages will still be shown). + +`--srcdir=DIR' + Look for the package's source code in directory DIR. Usually + `configure' can determine that directory automatically. + +`configure' also accepts some other, not widely useful, options. Run +`configure --help' for more details. + diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..be291a1 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,12 @@ +SUBDIRS = src examples doc +if DEBUG +AM_CFLAGS = -Wall -W -Werror -DCFU_VERSION="\"@VERSION@\"" -DCFU_DEBUG=1 +else +AM_CFLAGS = -Wall -W -Werror -DCFU_VERSION="\"@VERSION@\"" +endif + +LIBCFU_TYPE_u_int=@LIBCFU_TYPE_u_int@ + +INCLUDES = -I$(top_srcdir)/include + +EXTRA_DIST = include/cfutypes.h.in include/cfu.h.in diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..ea85c69 --- /dev/null +++ b/Makefile.in @@ -0,0 +1,554 @@ +# Makefile.in generated by automake 1.9.2 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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"$ac_site_file" + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special + # files actually), so we avoid doing that. + if test -f "$cache_file"; then + { echo "$as_me:$LINENO: loading cache $cache_file" >&5 +echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . $cache_file;; + *) . ./$cache_file;; + esac + fi +else + { echo "$as_me:$LINENO: creating cache $cache_file" >&5 +echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in `(set) 2>&1 | + sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val="\$ac_cv_env_${ac_var}_value" + eval ac_new_val="\$ac_env_${ac_var}_value" + case $ac_old_set,$ac_new_set in + set,) + { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 +echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 +echo "$as_me: former value: $ac_old_val" >&2;} + { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 +echo "$as_me: current value: $ac_new_val" >&2;} + ac_cache_corrupted=: + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*) + ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 +echo "$as_me: error: changes in the environment can compromise the build" >&2;} + { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 +echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} + { (exit 1); exit 1; }; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + + + + + + + + + + + + + + + + + + + + +am__api_version="1.9" +ac_aux_dir= +for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do + if test -f $ac_dir/install-sh; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install-sh -c" + break + elif test -f $ac_dir/install.sh; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f $ac_dir/shtool; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5 +echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;} + { (exit 1); exit 1; }; } +fi +ac_config_guess="$SHELL $ac_aux_dir/config.guess" +ac_config_sub="$SHELL $ac_aux_dir/config.sub" +ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure. + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6 +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + done + done + ;; +esac +done + + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL=$ac_install_sh + fi +fi +echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +echo "$as_me:$LINENO: checking whether build environment is sane" >&5 +echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6 +# Just in case +sleep 1 +echo timestamp > conftest.file +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftest.file` + fi + rm -f conftest.file + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&5 +echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&2;} + { (exit 1); exit 1; }; } + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + { { echo "$as_me:$LINENO: error: newly created file is older than distributed files! +Check your system clock" >&5 +echo "$as_me: error: newly created file is older than distributed files! +Check your system clock" >&2;} + { (exit 1); exit 1; }; } +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +test "$program_prefix" != NONE && + program_transform_name="s,^,$program_prefix,;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s,\$,$program_suffix,;$program_transform_name" +# Double any \ or $. echo might interpret backslashes. +# By default was `s,x,x', remove it if useless. +cat <<\_ACEOF >conftest.sed +s/[\\$]/&&/g;s/;s,x,x,$// +_ACEOF +program_transform_name=`echo $program_transform_name | sed -f conftest.sed` +rm conftest.sed + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5 +echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then + # We used to keeping the `.' as first argument, in order to + # allow $(mkdir_p) to be used without argument. As in + # $(mkdir_p) $(somedir) + # where $(somedir) is conditionally defined. However this is wrong + # for two reasons: + # 1. if the package is installed by a user who cannot write `.' + # make install will fail, + # 2. the above comment should most certainly read + # $(mkdir_p) $(DESTDIR)$(somedir) + # so it does not work when $(somedir) is undefined and + # $(DESTDIR) is not. + # To support the latter case, we have to write + # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir), + # so the `.' trick is pointless. + mkdir_p='mkdir -p --' +else + # On NextStep and OpenStep, the `mkdir' command does not + # recognize any option. It will interpret all options as + # directories to create, and then abort because `.' already + # exists. + for d in ./-p ./--version; + do + test -d $d && rmdir $d + done + # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. + if test -f "$ac_aux_dir/mkinstalldirs"; then + mkdir_p='$(mkinstalldirs)' + else + mkdir_p='$(install_sh) -d' + fi +fi + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_AWK+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + echo "$as_me:$LINENO: result: $AWK" >&5 +echo "${ECHO_T}$AWK" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$AWK" && break +done + +echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6 +set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,:./+-,___p_,'` +if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.make <<\_ACEOF +all: + @echo 'ac_maketemp="$(MAKE)"' +_ACEOF +# GNU make sometimes prints "make[1]: Entering...", which would confuse us. +eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=` +if test -n "$ac_maketemp"; then + eval ac_cv_prog_make_${ac_make}_set=yes +else + eval ac_cv_prog_make_${ac_make}_set=no +fi +rm -f conftest.make +fi +if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + SET_MAKE= +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && + test -f $srcdir/config.status; then + { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5 +echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;} + { (exit 1); exit 1; }; } +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='libcfu' + VERSION='0.03' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +install_sh=${install_sh-"$am_aux_dir/install-sh"} + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + echo "$as_me:$LINENO: result: $STRIP" >&5 +echo "${ECHO_T}$STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 +echo "${ECHO_T}$ac_ct_STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + STRIP=$ac_ct_STRIP +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + +am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' + + + + + + +# AC_CONFIG_HEADERS(config.h) + +DEPDIR="${am__leading_dot}deps" + + ac_config_commands="$ac_config_commands depfiles" + + +am_make=${MAKE-make} +cat > confinc << 'END' +am__doit: + @echo done +.PHONY: am__doit +END +# If we don't find an include directive, just comment out the code. +echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5 +echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6 +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# We grep out `Entering directory' and `Leaving directory' +# messages which can occur if `w' ends up in MAKEFLAGS. +# In particular we don't look at `^make:' because GNU make might +# be invoked under some other name (usually "gmake"), in which +# case it prints its new name instead of `make'. +if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then + am__include=include + am__quote= + _am_result=GNU +fi +# Now try BSD make style include. +if test "$am__include" = "#"; then + echo '.include "confinc"' > confmf + if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then + am__include=.include + am__quote="\"" + _am_result=BSD + fi +fi + + +echo "$as_me:$LINENO: result: $_am_result" >&5 +echo "${ECHO_T}$_am_result" >&6 +rm -f confinc confmf + +# Check whether --enable-dependency-tracking or --disable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then + enableval="$enable_dependency_tracking" + +fi; +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + + +if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CC" && break +done + + CC=$ac_ct_CC +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 + (eval $ac_compiler --version &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 + (eval $ac_compiler -v &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 + (eval $ac_compiler -V &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 +echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6 +ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` +if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 + (eval $ac_link_default) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # Find the output, starting from the most likely. This scheme is +# not robust to junk in `.', hence go to wildcards (a.*) only as a last +# resort. + +# Be careful to initialize this variable, since it used to be cached. +# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. +ac_cv_exeext= +# b.out is created by i960 compilers. +for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) + ;; + conftest.$ac_ext ) + # This is the source file. + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + # FIXME: I believe we export ac_cv_exeext for Libtool, + # but it would be cool to find out if it's true. Does anybody + # maintain Libtool? --akim. + export ac_cv_exeext + break;; + * ) + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} + { (exit 77); exit 77; }; } +fi + +ac_exeext=$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_file" >&5 +echo "${ECHO_T}$ac_file" >&6 + +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether the C compiler works" >&5 +echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6 +# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 +# If not cross compiling, check that we can run a simple program. +if test "$cross_compiling" != yes; then + if { ac_try='./$ac_file' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { echo "$as_me:$LINENO: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + fi + fi +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + +rm -f a.out a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 +echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6 +echo "$as_me:$LINENO: result: $cross_compiling" >&5 +echo "${ECHO_T}$cross_compiling" >&6 + +echo "$as_me:$LINENO: checking for suffix of executables" >&5 +echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + export ac_cv_exeext + break;; + * ) break;; + esac +done +else + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 +echo "${ECHO_T}$ac_cv_exeext" >&6 + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +echo "$as_me:$LINENO: checking for suffix of object files" >&5 +echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6 +if test "${ac_cv_objext+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 +echo "${ECHO_T}$ac_cv_objext" >&6 +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6 +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6 +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +CFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cc_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6 +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5 +echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_stdc=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std1 is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std1. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_stdc=$ac_arg +break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext +done +rm -f conftest.$ac_ext conftest.$ac_objext +CC=$ac_save_CC + +fi + +case "x$ac_cv_prog_cc_stdc" in + x|xno) + echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6 ;; + *) + echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 + CC="$CC $ac_cv_prog_cc_stdc" ;; +esac + +# Some people use a C++ compiler to compile C. Since we use `exit', +# in C++ we need to declare it. In case someone uses the same compiler +# for both compiling C and C++ we need to have the C++ compiler decide +# the declaration of exit, since it's the most demanding environment. +cat >conftest.$ac_ext <<_ACEOF +#ifndef __cplusplus + choke me +#endif +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +rm -f conftest* +if test -n "$ac_declaration"; then + echo '#ifdef __cplusplus' >>confdefs.h + echo $ac_declaration >>confdefs.h + echo '#endif' >>confdefs.h +fi + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +depcc="$CC" am_compiler_list= + +echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6 +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6 +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5 +echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6 +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if test "${ac_cv_prog_CPP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +echo "$as_me:$LINENO: result: $CPP" >&5 +echo "${ECHO_T}$CPP" >&6 +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + : +else + { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&5 +echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +echo "$as_me:$LINENO: checking for egrep" >&5 +echo $ECHO_N "checking for egrep... $ECHO_C" >&6 +if test "${ac_cv_prog_egrep+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if echo a | (grep -E '(a|b)') >/dev/null 2>&1 + then ac_cv_prog_egrep='grep -E' + else ac_cv_prog_egrep='egrep' + fi +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5 +echo "${ECHO_T}$ac_cv_prog_egrep" >&6 + EGREP=$ac_cv_prog_egrep + + +echo "$as_me:$LINENO: checking for ANSI C header files" >&5 +echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 +if test "${ac_cv_header_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_header_stdc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_header_stdc=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then + : +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + exit(2); + exit (0); +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_header_stdc=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 +echo "${ECHO_T}$ac_cv_header_stdc" >&6 +if test $ac_cv_header_stdc = yes; then + +cat >>confdefs.h <<\_ACEOF +#define STDC_HEADERS 1 +_ACEOF + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. + + + + + + + + + +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default + +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_Header=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_Header=no" +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + +echo "$as_me:$LINENO: checking for u_int" >&5 +echo $ECHO_N "checking for u_int... $ECHO_C" >&6 +if test "${ac_cv_type_u_int+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +if ((u_int *) 0) + return 0; +if (sizeof (u_int)) + return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_type_u_int=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_type_u_int=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_type_u_int" >&5 +echo "${ECHO_T}$ac_cv_type_u_int" >&6 +if test $ac_cv_type_u_int = yes; then + LIBCFU_TYPE_u_int="/* u_int is defined */" +else + LIBCFU_TYPE_u_int="typedef unsigned int u_int;" +fi + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CC" && break +done + + CC=$ac_ct_CC +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 + (eval $ac_compiler --version &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 + (eval $ac_compiler -v &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 + (eval $ac_compiler -V &5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6 +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6 +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +CFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cc_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6 +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5 +echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_stdc=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std1 is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std1. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_stdc=$ac_arg +break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext +done +rm -f conftest.$ac_ext conftest.$ac_objext +CC=$ac_save_CC + +fi + +case "x$ac_cv_prog_cc_stdc" in + x|xno) + echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6 ;; + *) + echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 + CC="$CC $ac_cv_prog_cc_stdc" ;; +esac + +# Some people use a C++ compiler to compile C. Since we use `exit', +# in C++ we need to declare it. In case someone uses the same compiler +# for both compiling C and C++ we need to have the C++ compiler decide +# the declaration of exit, since it's the most demanding environment. +cat >conftest.$ac_ext <<_ACEOF +#ifndef __cplusplus + choke me +#endif +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +rm -f conftest* +if test -n "$ac_declaration"; then + echo '#ifdef __cplusplus' >>confdefs.h + echo $ac_declaration >>confdefs.h + echo '#endif' >>confdefs.h +fi + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +depcc="$CC" am_compiler_list= + +echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6 +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6 +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + echo "$as_me:$LINENO: result: $RANLIB" >&5 +echo "${ECHO_T}$RANLIB" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":" +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5 +echo "${ECHO_T}$ac_ct_RANLIB" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + RANLIB=$ac_ct_RANLIB +else + RANLIB="$ac_cv_prog_RANLIB" +fi + + +SAVECFLAGS="$CFLAGS" +SAVELIBS="$LIBS" +CFLAGS="-pthread $CFLAGS" +LIBS="-pthread $LIBS" +echo "$as_me:$LINENO: checking for pthread_mutex_init" >&5 +echo $ECHO_N "checking for pthread_mutex_init... $ECHO_C" >&6 +if test "${ac_cv_func_pthread_mutex_init+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define pthread_mutex_init to an innocuous variant, in case declares pthread_mutex_init. + For example, HP-UX 11i declares gettimeofday. */ +#define pthread_mutex_init innocuous_pthread_mutex_init + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char pthread_mutex_init (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef pthread_mutex_init + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char pthread_mutex_init (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_pthread_mutex_init) || defined (__stub___pthread_mutex_init) +choke me +#else +char (*f) () = pthread_mutex_init; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != pthread_mutex_init; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_func_pthread_mutex_init=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_func_pthread_mutex_init=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_func_pthread_mutex_init" >&5 +echo "${ECHO_T}$ac_cv_func_pthread_mutex_init" >&6 +if test $ac_cv_func_pthread_mutex_init = yes; then + : +else + CFLAGS="$SAVECFLAGS" + LIBS="$SAVELIBS" + +echo "$as_me:$LINENO: checking for pthread_mutex_init in -lpthread" >&5 +echo $ECHO_N "checking for pthread_mutex_init in -lpthread... $ECHO_C" >&6 +if test "${ac_cv_lib_pthread_pthread_mutex_init+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthread $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char pthread_mutex_init (); +int +main () +{ +pthread_mutex_init (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_lib_pthread_pthread_mutex_init=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_lib_pthread_pthread_mutex_init=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_mutex_init" >&5 +echo "${ECHO_T}$ac_cv_lib_pthread_pthread_mutex_init" >&6 +if test $ac_cv_lib_pthread_pthread_mutex_init = yes; then + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBPTHREAD 1 +_ACEOF + + LIBS="-lpthread $LIBS" + +else + +echo "$as_me:$LINENO: checking for pthread_mutex_init in -lpthreads" >&5 +echo $ECHO_N "checking for pthread_mutex_init in -lpthreads... $ECHO_C" >&6 +if test "${ac_cv_lib_pthreads_pthread_mutex_init+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthreads $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char pthread_mutex_init (); +int +main () +{ +pthread_mutex_init (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_lib_pthreads_pthread_mutex_init=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_lib_pthreads_pthread_mutex_init=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +echo "$as_me:$LINENO: result: $ac_cv_lib_pthreads_pthread_mutex_init" >&5 +echo "${ECHO_T}$ac_cv_lib_pthreads_pthread_mutex_init" >&6 +if test $ac_cv_lib_pthreads_pthread_mutex_init = yes; then + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBPTHREADS 1 +_ACEOF + + LIBS="-lpthreads $LIBS" + +else + { { echo "$as_me:$LINENO: error: No pthreads support found." >&5 +echo "$as_me: error: No pthreads support found." >&2;} + { (exit 1); exit 1; }; } +fi + +fi + +fi + + +# Checks for header files. +echo "$as_me:$LINENO: checking for ANSI C header files" >&5 +echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 +if test "${ac_cv_header_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_header_stdc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_header_stdc=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then + : +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + exit(2); + exit (0); +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_header_stdc=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 +echo "${ECHO_T}$ac_cv_header_stdc" >&6 +if test $ac_cv_header_stdc = yes; then + +cat >>confdefs.h <<\_ACEOF +#define STDC_HEADERS 1 +_ACEOF + +fi + + + + +for ac_header in stdlib.h string.h sys/time.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking $ac_header usability" >&5 +echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking $ac_header presence" >&5 +echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <$ac_header> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 +echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## --------------------------------- ## +## Report this to the libcfu lists. ## +## --------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + eval "$as_ac_Header=\$ac_header_preproc" +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 + +fi +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +# Checks for typedefs, structures, and compiler characteristics. +echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5 +echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6 +if test "${ac_cv_c_const+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +/* FIXME: Include the comments suggested by Paul. */ +#ifndef __cplusplus + /* Ultrix mips cc rejects this. */ + typedef int charset[2]; + const charset x; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *ccp; + char **p; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + ccp = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++ccp; + p = (char**) ccp; + ccp = (char const *const *) p; + { /* SCO 3.2v4 cc rejects this. */ + char *t; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* AIX XL C 1.02.0.0 rejects this saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; }; + struct s *b; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + } +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_c_const=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_c_const=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5 +echo "${ECHO_T}$ac_cv_c_const" >&6 +if test $ac_cv_c_const = no; then + +cat >>confdefs.h <<\_ACEOF +#define const +_ACEOF + +fi + +echo "$as_me:$LINENO: checking for inline" >&5 +echo $ECHO_N "checking for inline... $ECHO_C" >&6 +if test "${ac_cv_c_inline+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifndef __cplusplus +typedef int foo_t; +static $ac_kw foo_t static_foo () {return 0; } +$ac_kw foo_t foo () {return 0; } +#endif + +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_c_inline=$ac_kw; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done + +fi +echo "$as_me:$LINENO: result: $ac_cv_c_inline" >&5 +echo "${ECHO_T}$ac_cv_c_inline" >&6 + + +case $ac_cv_c_inline in + inline | yes) ;; + *) + case $ac_cv_c_inline in + no) ac_val=;; + *) ac_val=$ac_cv_c_inline;; + esac + cat >>confdefs.h <<_ACEOF +#ifndef __cplusplus +#define inline $ac_val +#endif +_ACEOF + ;; +esac + +echo "$as_me:$LINENO: checking for size_t" >&5 +echo $ECHO_N "checking for size_t... $ECHO_C" >&6 +if test "${ac_cv_type_size_t+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +if ((size_t *) 0) + return 0; +if (sizeof (size_t)) + return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_type_size_t=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_type_size_t=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5 +echo "${ECHO_T}$ac_cv_type_size_t" >&6 +if test $ac_cv_type_size_t = yes; then + : +else + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned +_ACEOF + +fi + +echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5 +echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6 +if test "${ac_cv_header_time+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include + +int +main () +{ +if ((struct tm *) 0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_header_time=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_header_time=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5 +echo "${ECHO_T}$ac_cv_header_time" >&6 +if test $ac_cv_header_time = yes; then + +cat >>confdefs.h <<\_ACEOF +#define TIME_WITH_SYS_TIME 1 +_ACEOF + +fi + + +# Checks for library functions. + +for ac_header in stdlib.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking $ac_header usability" >&5 +echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking $ac_header presence" >&5 +echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <$ac_header> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 +echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## --------------------------------- ## +## Report this to the libcfu lists. ## +## --------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + eval "$as_ac_Header=\$ac_header_preproc" +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 + +fi +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5 +echo $ECHO_N "checking for GNU libc compatible malloc... $ECHO_C" >&6 +if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test "$cross_compiling" = yes; then + ac_cv_func_malloc_0_nonnull=no +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#if STDC_HEADERS || HAVE_STDLIB_H +# include +#else +char *malloc (); +#endif + +int +main () +{ +exit (malloc (0) ? 0 : 1); + ; + return 0; +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_func_malloc_0_nonnull=yes +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_func_malloc_0_nonnull=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_func_malloc_0_nonnull" >&5 +echo "${ECHO_T}$ac_cv_func_malloc_0_nonnull" >&6 +if test $ac_cv_func_malloc_0_nonnull = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_MALLOC 1 +_ACEOF + +else + cat >>confdefs.h <<\_ACEOF +#define HAVE_MALLOC 0 +_ACEOF + + case $LIBOBJS in + "malloc.$ac_objext" | \ + *" malloc.$ac_objext" | \ + "malloc.$ac_objext "* | \ + *" malloc.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS malloc.$ac_objext" ;; +esac + + +cat >>confdefs.h <<\_ACEOF +#define malloc rpl_malloc +_ACEOF + +fi + + + +echo "$as_me:$LINENO: checking for working memcmp" >&5 +echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6 +if test "${ac_cv_func_memcmp_working+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test "$cross_compiling" = yes; then + ac_cv_func_memcmp_working=no +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* Some versions of memcmp are not 8-bit clean. */ + char c0 = 0x40, c1 = 0x80, c2 = 0x81; + if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0) + exit (1); + + /* The Next x86 OpenStep bug shows up only when comparing 16 bytes + or more and with at least one buffer not starting on a 4-byte boundary. + William Lewis provided this test program. */ + { + char foo[21]; + char bar[21]; + int i; + for (i = 0; i < 4; i++) + { + char *a = foo + i; + char *b = bar + i; + strcpy (a, "--------01111111"); + strcpy (b, "--------10000000"); + if (memcmp (a, b, 16) >= 0) + exit (1); + } + exit (0); + } + + ; + return 0; +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_func_memcmp_working=yes +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_func_memcmp_working=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5 +echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6 +test $ac_cv_func_memcmp_working = no && case $LIBOBJS in + "memcmp.$ac_objext" | \ + *" memcmp.$ac_objext" | \ + "memcmp.$ac_objext "* | \ + *" memcmp.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS memcmp.$ac_objext" ;; +esac + + + + + + +for ac_func in gettimeofday memset strcasecmp strncasecmp +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case declares $ac_func. + For example, HP-UX 11i declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +# AC_CONFIG_AUX_DIR + +# Check whether --enable-debug or --disable-debug was given. +if test "${enable_debug+set}" = set; then + enableval="$enable_debug" + case "${enableval}" in + yes) debug=true ;; + no) debug=false ;; + *) { { echo "$as_me:$LINENO: error: bad value ${enableval} for --enable-debug" >&5 +echo "$as_me: error: bad value ${enableval} for --enable-debug" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + debug=false +fi; + + +if test x$debug = xtrue; then + DEBUG_TRUE= + DEBUG_FALSE='#' +else + DEBUG_TRUE='#' + DEBUG_FALSE= +fi + + + + ac_config_files="$ac_config_files Makefile src/Makefile examples/Makefile doc/Makefile include/cfutypes.h include/cfu.h" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +{ + (set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n \ + "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p" + ;; + esac; +} | + sed ' + t clear + : clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + : end' >>confcache +if diff $cache_file confcache >/dev/null 2>&1; then :; else + if test -w $cache_file; then + test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" + cat confcache >$cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# VPATH may cause trouble with some makes, so we remove $(srcdir), +# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=/{ +s/:*\$(srcdir):*/:/; +s/:*\${srcdir}:*/:/; +s/:*@srcdir@:*/:/; +s/^\([^=]*=[ ]*\):*/\1/; +s/:*$//; +s/^[^=]*=[ ]*$//; +}' +fi + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then we branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +cat >confdef2opt.sed <<\_ACEOF +t clear +: clear +s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\),-D\1=\2,g +t quote +s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\),-D\1=\2,g +t quote +d +: quote +s,[ `~#$^&*(){}\\|;'"<>?],\\&,g +s,\[,\\&,g +s,\],\\&,g +s,\$,$$,g +p +_ACEOF +# We use echo to avoid assuming a particular line-breaking character. +# The extra dot is to prevent the shell from consuming trailing +# line-breaks from the sub-command output. A line-break within +# single-quotes doesn't work because, if this script is created in a +# platform that uses two characters for line-breaks (e.g., DOS), tr +# would break. +ac_LF_and_DOT=`echo; echo .` +DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'` +rm -f confdef2opt.sed + + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_i=`echo "$ac_i" | + sed 's/\$U\././;s/\.o$//;s/\.obj$//'` + # 2. Add them. + ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${DEBUG_TRUE}" && test -z "${DEBUG_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"DEBUG\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"DEBUG\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false +SHELL=\${CONFIG_SHELL-$SHELL} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. 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We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`(dirname "$file") 2>/dev/null || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p $dirpart/$fdir + else + as_dir=$dirpart/$fdir + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory $dirpart/$fdir" >&5 +echo "$as_me: error: cannot create directory $dirpart/$fdir" >&2;} + { (exit 1); exit 1; }; }; } + + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done +done + ;; + esac +done +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF + +{ (exit 0); exit 0; } +_ACEOF +chmod +x $CONFIG_STATUS +ac_clean_files=$ac_clean_files_save + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..afeaabb --- /dev/null +++ b/configure.ac @@ -0,0 +1,59 @@ +AC_INIT(libcfu, 0.03) + +AM_INIT_AUTOMAKE([dist-bzip2]) + +# AC_CONFIG_HEADERS(config.h) + +LIBCFU_CHECK_TYPE(u_int, unsigned int) +AC_SUBST(LIBCFU_TYPE_u_int) + +AC_PROG_CC +AC_PROG_RANLIB + +dnl Check for pthread support +SAVECFLAGS="$CFLAGS" +SAVELIBS="$LIBS" +CFLAGS="-pthread $CFLAGS" +LIBS="-pthread $LIBS" +AC_CHECK_FUNC(pthread_mutex_init,, + CFLAGS="$SAVECFLAGS" + LIBS="$SAVELIBS" + AC_CHECK_LIB(pthread, pthread_mutex_init,, + AC_CHECK_LIB(pthreads, pthread_mutex_init,, + AC_MSG_ERROR([No pthreads support found.])))) + +# Checks for header files. +AC_HEADER_STDC +AC_CHECK_HEADERS([stdlib.h string.h sys/time.h]) + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_C_INLINE +AC_TYPE_SIZE_T +AC_HEADER_TIME + +# Checks for library functions. +AC_FUNC_MALLOC +AC_FUNC_MEMCMP +AC_CHECK_FUNCS([gettimeofday memset strcasecmp strncasecmp]) + +# AC_CONFIG_AUX_DIR + +AC_ARG_ENABLE(debug, + [ --enable-debug Turn on debugging], + [case "${enableval}" in + yes) debug=true ;; + no) debug=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;; + esac],[debug=false]) +AM_CONDITIONAL(DEBUG, test x$debug = xtrue) + + +AC_CONFIG_FILES([Makefile + src/Makefile + examples/Makefile + doc/Makefile + include/cfutypes.h + include/cfu.h]) + +AC_OUTPUT diff --git a/depcomp b/depcomp new file mode 100755 index 0000000..edb5d38 --- /dev/null +++ b/depcomp @@ -0,0 +1,479 @@ +#! /bin/sh + +# depcomp - compile a program generating dependencies as side-effects +# Copyright 1999, 2000, 2003 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi +# `libtool' can also be set to `yes' or `no'. + +if test -z "$depfile"; then + base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` + dir=`echo "$object" | sed 's,/.*$,/,'` + if test "$dir" = "$object"; then + dir= + fi + # FIXME: should be _deps on DOS. + depfile="$dir.deps/$base" +fi + +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. + "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz +## The second -e expression handles DOS-style file names with drive letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the `deleted header file' problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. + tr ' ' ' +' < "$tmpdepfile" | +## Some versions of gcc put a space before the `:'. On the theory +## that the space means something, we add a space to the output as +## well. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like `#:fec' to the end of the + # dependency line. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ + tr ' +' ' ' >> $depfile + echo >> $depfile + + # The second pass generates a dummy entry for each header file. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> $depfile + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` + tmpdepfile="$stripped.u" + if test "$libtool" = yes; then + "$@" -Wc,-M + else + "$@" -M + fi + stat=$? + + if test -f "$tmpdepfile"; then : + else + stripped=`echo "$stripped" | sed 's,^.*/,,'` + tmpdepfile="$stripped.u" + fi + + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + + if test -f "$tmpdepfile"; then + outname="$stripped.o" + # Each line is of the form `foo.o: dependent.h'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" + sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +icc) + # Intel's C compiler understands `-MD -MF file'. However on + # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c + # ICC 7.0 will fill foo.d with something like + # foo.o: sub/foo.c + # foo.o: sub/foo.h + # which is wrong. We want: + # sub/foo.o: sub/foo.c + # sub/foo.o: sub/foo.h + # sub/foo.c: + # sub/foo.h: + # ICC 7.1 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using \ : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | + sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in `foo.d' instead, so we check for that too. + # Subdirectories are respected. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + + if test "$libtool" = yes; then + tmpdepfile1="$dir.libs/$base.lo.d" + tmpdepfile2="$dir.libs/$base.d" + "$@" -Wc,-MD + else + tmpdepfile1="$dir$base.o.d" + tmpdepfile2="$dir$base.d" + "$@" -MD + fi + + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + if test -f "$tmpdepfile1"; then + tmpdepfile="$tmpdepfile1" + else + tmpdepfile="$tmpdepfile2" + fi + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for `:' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. + "$@" $dashmflag | + sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + tr ' ' ' +' < "$tmpdepfile" | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no + for arg in "$@"; do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix="`echo $object | sed 's/^.*\././'`" + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + sed '1,2d' "$tmpdepfile" | tr ' ' ' +' | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E | + sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | + sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o, + # because we must use -o when running libtool. + "$@" || exit $? + IFS=" " + for arg + do + case "$arg" in + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" + echo " " >> "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 diff --git a/doc/Makefile.am b/doc/Makefile.am new file mode 100644 index 0000000..1e1a686 --- /dev/null +++ b/doc/Makefile.am @@ -0,0 +1,13 @@ +MAKEINFO = case $@ in \ + *.info) echo " INFO $@";; \ + *.html) echo " HTML $@";; \ + esac && @MAKEINFO@ +TEXI2DVI = && case $@ in \ + *.dvi) echo " DVI $@";; \ + *.pdf) echo " PDF $@";; \ + esac && texi2dvi --quiet +DVIPS = echo " PS $@" && dvips -q + +info_TEXINFOS = libcfu.texi + +.SILENT: diff --git a/doc/Makefile.in b/doc/Makefile.in new file mode 100644 index 0000000..a34bc1f --- /dev/null +++ b/doc/Makefile.in @@ -0,0 +1,461 @@ +# Makefile.in generated by automake 1.9.2 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = .. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +subdir = doc +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(srcdir)/stamp-vti $(srcdir)/version.texi mdate-sh \ + texinfo.tex +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs +CONFIG_CLEAN_FILES = +SOURCES = +DIST_SOURCES = +INFO_DEPS = $(srcdir)/libcfu.info +am__TEXINFO_TEX_DIR = $(srcdir) +DVIS = libcfu.dvi +PDFS = libcfu.pdf +PSS = libcfu.ps +HTMLS = libcfu.html +TEXINFOS = libcfu.texi +TEXI2PDF = $(TEXI2DVI) --pdf --batch +MAKEINFOHTML = $(MAKEINFO) --html +AM_MAKEINFOHTMLFLAGS = $(AM_MAKEINFOFLAGS) +am__installdirs = "$(DESTDIR)$(infodir)" +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +ACLOCAL = @ACLOCAL@ +AMDEP_FALSE = @AMDEP_FALSE@ +AMDEP_TRUE = @AMDEP_TRUE@ +AMTAR = @AMTAR@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +CC = @CC@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEBUG_FALSE = @DEBUG_FALSE@ +DEBUG_TRUE = @DEBUG_TRUE@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +LDFLAGS = @LDFLAGS@ +LIBCFU_TYPE_u_int = @LIBCFU_TYPE_u_int@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LTLIBOBJS = @LTLIBOBJS@ +MAKEINFO = case $@ in \ + *.info) echo " INFO $@";; 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IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +INFO-DIR-SECTION Libraries +START-INFO-DIR-ENTRY +* Libcfu: (libcfu). The cfu library. +END-INFO-DIR-ENTRY + + This manual describes the external interface to libcfu version +0.03 + + Copyright (C) 2005 Don Owens All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following +disclaimer in the documentation and/or other materials provided with +the distribution. + + * Neither the name of the author nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +File: libcfu.info, Node: Top, Next: Data structures, Prev: (dir), Up: (dir) + + This manual describes the interface to libcfu version 0.03 + + Copyright (C) 2005 Don Owens + +* Menu: + +* Data structures:: +* Conf:: For reading configuration files +* Options:: For parsing command-line arguments +* Thread queue:: For queueing up requests for a separate thread +* Timer:: An easy to use timer + +* License:: License under which libcfu is distributed + +* Concept index:: +* Function index:: + + +File: libcfu.info, Node: Data structures, Prev: Top, Up: Top + +1 Data structures +***************** + +* Menu: + +* Hash table:: For key/value pairs +* Linked list:: For unordered data +* Strings:: For self-extending strings + + +File: libcfu.info, Node: Hash table, Next: Linked list, Prev: Data structures, Up: Data structures + +1.1 Hash table +============== + + -- Special Form: typedef u_int32_t (*cfuhash_function_t)(const void * + KEY, size_t LENGTH) + Prototype for a pointer to a hashing function. + + -- Special Form: typedef void (*cfuhash_free_fn_t)(void * DATA) + Prototype for a pointer to a free function. + + -- Special Form: typedef int (*cfuhash_remove_fn_t)(void * KEY, size_t + KEY_SIZE, void * DATA, size_t DATA_SIZE, void * ARG) + Prototype for a pointer to a function that determines whether or + not to remove an entry from the hash. + + -- Special Form: typedef int (*cfuhash_foreach_fn_t)(void * KEY, + size_t KEY_SIZE, void * DATA, size_t DATA_SIZE, void * ARG) + Prototype for a pointer to a function to be called foreach + key/value pair in the hash by cfuhash_foreach(). The return + value should normally be zero. A non-zero return value means to + stop iterating over the key/value pairs. + + -- Function: cfuhash_table_t * cfuhash_new (size_t SIZE, u_int32_t + FLAGS) + Creates a new hash table. + + -- Function: cfuhash_table_t * cfuhash_new_with_initial_size (size_t + SIZE) + Creates a new hash table with the specified size (number of + buckets). + + + -- Function: cfuhash_table_t * cfuhash_new_with_flags (u_int32_t FLAGS) + Creates a new hash table with the specified flags. Pass zero for + flags if you want the defaults. + + -- Function: cfuhash_table_t * cfuhash_new_with_free_fn (size_t SIZE, + u_int32_t FLAGS, cfuhash_free_fn_t FF) + Same as cfuhash_new() except automatically calls + cfuhash_set_free_fn(). + + -- Function: int cfuhash_copy (cfuhash_table_t * SRC, cfuhash_table_t + * DST) + Copies entries in src to dst + + -- Function: cfuhash_table_t * cfuhash_merge (cfuhash_table_t * HT1, + cfuhash_table_t * HT2, u_int32_t FLAGS) + Returns a new hash containing entries from both hash tables. For + any entries with the same key, the one from ht2 wins. + + + -- Function: int cfuhash_set_hash_function (cfuhash_table_t * HT, + cfuhash_function_t HF) + Sets the hashing function to use when computing which bucket to add + entries to. It should return a 32-bit unsigned integer. By + default, Perl's hashing algorithm is used. + + + -- Function: int cfuhash_set_thresholds (cfuhash_table_t * HT, float + LOW, float HIGH) + Sets the thresholds for when to rehash. The ratio + num_entries/buckets is compared against low and high. If it is + below 'low' or above 'high', the hash will shrink or grow, + respectively, unless the flags say to do otherwise. + + + -- Function: int cfuhash_set_free_function (cfuhash_table_t * HT, + cfuhash_free_fn_t FF) + Sets the function to use when removing an entry from the hash, + i.e., when replacing an existing entry, deleting an entry, or + clearing the hash. It is passed the value of the entry as a void + *. + + + -- Function: u_int32_t cfuhash_get_flags (cfuhash_table_t * HT) + Returns the hash's flags. See below for flag definitions. + + -- Function: u_int32_t cfuhash_set_flag (cfuhash_table_t * HT, + u_int32_t FLAG) + Sets a flag. + + -- Function: u_int32_t cfuhash_clear_flag (cfuhash_table_t * HT, + u_int32_t NEW_FLAG) + Clears a flag. + + -- Function: int cfuhash_get_data (cfuhash_table_t * HT, const void * + KEY, size_t KEY_SIZE, void ** DATA, size_t * DATA_SIZE) + Returns the value for the entry with given key. If key_size is -1, + key is assumed to be a null-terminated string. If data_size is + not NULL, the size of the value is placed into data_size. + + + -- Function: int cfuhash_exists_data (cfuhash_table_t * HT, const void + * KEY, size_t KEY_SIZE) + Returns 1 if an entry with the given key exists in the hash, 0 + otherwise. + + -- Function: int cfuhash_put_data (cfuhash_table_t * HT, const void * + KEY, size_t KEY_SIZE, void * DATA, size_t DATA_SIZE, void ** + R) + Inserts the given data value into the hash and associates it with + key. If key_size is -1, key is assumed to be a null-terminated + string. If data_size is -1, it is assumed to be a null-terminated + string (it's length will be calculated using strlen). If + data_size is zero, it will be returned as zero when the value is + requested. + + + -- Function: void cfuhash_clear (cfuhash_table_t * HT) + Clears the hash table (deletes all entries). + + -- Function: void * cfuhash_delete_data (cfuhash_table_t * HT, const + void * KEY, size_t KEY_SIZE) + Deletes the entry in the hash associated with key. If the entry + existed, it's value will be returned. + + + -- Function: void **cfuhash_keys_data (cfuhash_table_t * HT, size_t * + NUM_KEYS, size_t ** KEY_SIZES, int FAST) + Returns all the keys from the hash. The number of keys is placed + into the value pointed to by num_keys. If key_sizes is not NULL, + it will be set to an array of key sizes. If fast is zero, copies + of the keys are returned. Otherwise, pointers to the real keys + will be returned. + + + -- Function: int cfuhash_each_data (cfuhash_table_t * HT, void ** KEY, + size_t * KEY_SIZE, void ** DATA, size_t * DATA_SIZE) + Initializes a loop over all the key/value pairs in the hash. It + returns the first key/value pair (see cfuhash_next_data()). 1 is + returned if there are any entries in the hash. 0 is returned + otherwise. + + + -- Function: int cfuhash_next_data (cfuhash_table_t * HT, void ** KEY, + size_t * KEY_SIZE, void ** DATA, size_t * DATA_SIZE) + Gets the next key/value pair from the hash. You must initialize + the loop using cfuhash_each_data() before calling this function. + If a entry is left to return, 1 is returned from the function. 0 + is returned if there are no more entries in the hash. + + + -- Function: size_t cfuhash_foreach_remove (cfuhash_table_t * HT, + cfuhash_remove_fn_t R_FN, cfuhash_free_fn_t FF, void * ARG) + Iterates over the key/value pairs in the hash, passing each one + to r_fn, and removes all entries for which r_fn returns true. If + ff is not NULL, it is the passed the data to be freed. arg is + passed to r_fn. + + + -- Function: size_t cfuhash_foreach (cfuhash_table_t * HT, + cfuhash_foreach_fn_t FE_FN, void * ARG) + Iterates over the key/value pairs in the hash, passing each one + to fe_fn, along with arg. This locks the hash, so do not call any + operations on the hash from within fe_fn unless you really know + what you're doing. + + If the return value from fe_fn() is not zero, the iteration stops. + + + -- Function: int cfuhash_destroy (cfuhash_table_t * HT) + Frees all resources allocated by the hash. + + + -- Function: int cfuhash_destroy_with_free_fn (cfuhash_table_t * HT, + cfuhash_free_fn_t FF) + Frees all resources allocated by the hash. If ff is not NULL, it + is called for each hash entry with the value of the entry passed as + its only argument. If ff is not NULL, it overrides any function + set previously with cfuhash_set_free_function(). + + + -- Function: int cfuhash_rehash (cfuhash_table_t * HT) + Rebuild the hash to better accomodate the number of entries. See + cfuhash_set_thresholds(). + + + -- Function: size_t cfuhash_num_entries (cfuhash_table_t * HT) + Returns the number entries in the hash. + + -- Function: size_t cfuhash_num_buckets (cfuhash_table_t * HT) + Returns the number of buckets allocated for the hash. + + -- Function: size_t cfuhash_num_buckets_used (cfuhash_table_t * HT) + Returns the number of buckets actually used out of the total number + allocated for the hash. + + + -- Function: char * cfuhash_bencode_strings (cfuhash_table_t * HT) + Assumes all the keys and values are null-terminated strings and + returns a bencoded string representing the hash (see + http://www.bittorrent.com/protocol.html) + + + -- Function: int cfuhash_lock (cfuhash_table_t * HT) + Locks the hash. Use this with the each and next functions for + concurrency control. Note that the hash is locked automatically + when doing inserts and deletes, so if you lock the hash and then + try to insert something into it, you may get into a deadlock, + depending on your system defaults for how mutexes work. + + + -- Function: int cfuhash_unlock (cfuhash_table_t * HT) + Unlocks the hash. Use this with the each an next functions for + concurrency control. The caveat for cfuhash_lock() also applies to + this function. + + + -- Function: int cfuhash_pretty_print (cfuhash_table_t * HT, FILE * FP) + Pretty print the hash's key/value pairs to the stream fp. It is + assumed that all the keys and values are null-terminated strings. + + + These are like the _data versions of these functions, with the +following exceptions: + + 1) They assume that the key provided is a null-terminated string. + + 2) They don't worry about the size of the data. + + 3) Returned keys or values are the return value of the function. + + -- Function: void * cfuhash_get (cfuhash_table_t * HT, const char * + KEY) + + -- Function: int cfuhash_exists (cfuhash_table_t * HT, const char * + KEY); + + -- Function: void * cfuhash_put (cfuhash_table_t * HT, const char * + KEY, void * DATA); + + -- Function: void * cfuhash_delete (cfuhash_table_t * HT, const char * + KEY); + + -- Function: int cfuhash_each (cfuhash_table_t * HT, char ** KEY, void + ** DATA); + + -- Function: int cfuhash_next (cfuhash_table_t * HT, char ** KEY, void + ** DATA); + + -- Function: void ** cfuhash_keys (cfuhash_table_t * HT, size_t * + NUM_KEYS, int FAST); + + Valid flags for cfuhash_new() or cfuhash_set_flag): + + -- CFUHASH_NOCOPY_KEYS: + Don't copy the key when adding an entry to the hash table. + + -- CFUHASH_NO_LOCKING: + Don't not use any mutexes. Beware that this flag makes the hash + table non thread-safe. + + -- CFUHASH_FROZEN: + Do not rehash (don't grow or shrink the number of buckets in the + hash table when the thresholds are reached). + + -- CFUHASH_FROZEN_UNTIL_GROWS: + Do not rehash until the upper threshold is reached the first time + (useful for preallocating a large hash to avoid rehashing while + filling it). + + -- CFUHASH_FREE_DATA: + Call free() on the values when cfuhash_destroy() is called. + + -- CFUHASH_IGNORE_CASE: + Treat the keys case-insensitively. + + +File: libcfu.info, Node: Linked list, Next: Strings, Prev: Hash table, Up: Data structures + +1.2 Linked list +=============== + + -- Special Form: typedef int (*cfulist_foreach_fn_t)(void * DATA, + size_t DATA_SIZE, void * ARG) + Function called for each element in the list when passed to + cfulist_foreach(). A non-zero return value means to stop + iteration. + + -- Special Form: typedef void * (*cfulist_map_fn_t)(void *DATA, size_t + DATA_SIZE, void *ARG, size_t *NEW_DATA_SIZE) + Function called for each element in the list when passed to + cfulist_map(). The return value is used to build a new list. + + -- Special Form: typedef void (*cfulist_free_fn_t)(void * DATA) + Function called to free the data in an element. + + -- Function: cfulist_t * cfulist_new (); + Returns a new list. + + -- Function: size_t cfulist_num_entries (cfulist_t *LIST) + Returns the number of entries in the list. + + + -- Function: int cfulist_push_data (cfulist_t * LIST, void * DATA, + size_t DATA_SIZE) + Push a value onto the end of the list. + + -- Function: int cfulist_pop_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE) + Pop a value from the end of the list (removing it from the list). + + -- Function: int cfulist_unshift_data (cfulist_t * LIST, void * DATA, + size_t DATA_SIZE) + Add a value at the beginning of the list. + + -- Function: int cfulist_shift_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE) + Shift a value off the beginning of the list. + + -- Function: int cfulist_enqueue_data (cfulist_t * LIST, void * DATA, + size_t DATA_SIZE) + Add a value at the end of the queue (equivalent to push) + + -- Function: int cfulist_dequeue_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE) + Remove the value at the beginning of the list (equivalent to + shift). + + -- Function: int cfulist_first_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE); + Return the first entry from the list (without removing it from the + list). + + -- Function: int cfulist_last_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE); + Return the last entry from the list (without removing it from the + list). + + -- Function: int cfulist_nth_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE, size_t N); + Return the nth entry from the list (without removing it from the + list). n starts at zero. + + -- Function: void cfulist_reset_each (cfulist_t * LIST); + + -- Function: int cfulist_each_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE); + + -- Function: int cfulist_next_data (cfulist_t * LIST, void ** DATA, + size_t * DATA_SIZE); + + -- Function: size_t cfulist_foreach (cfulist_t * LIST, + cfulist_foreach_fn_t FE_FN, void * ARG); + Calls fe_fn() for each element in the list. Also passes arg on each + call. Do not try to manipulate the list inside fe_fn(), as the + list will be locked. + + If fe_fn() returns a non-zero value, the iteration over the + elements stops. + + -- Function: cfulist_t * cfulist_map (cfulist_t *LIST, + cfulist_map_fn_t MAP_FN, void *ARG); + Creates a new list from the list passed in. Calls map_fn() on each + element in the list. The return value is placed in the + corresponding position in the new list. + + -- Function: void cfulist_destroy (cfulist_t * LIST) + Free all resources used by the list. + + -- Function: void cfulist_destroy (cfulist_t * LIST, cfulist_free_fn_t + FREE_FN) + Free all resources used by the list. If free_fn is not NULL, call + it for each element of the list, passing the data to it as a void + *. + + When you don't care about the size of the data + + -- Function: int cfulist_push (cfulist_t * LIST, void * DATA) + + -- Function: void * cfulist_pop (cfulist_t * LIST); + + -- Function: int cfulist_unshift (cfulist_t * LIST, void * DATA); + + -- Function: void * cfulist_shift (cfulist_t * LIST); + + -- Function: int cfulist_enqueue (cfulist_t * IST, void * DATA); + + -- Function: void * cfulist_dequeue (cfulist_t * LIST); + + Strings - assume data is a null-terminated string - size is +calculated by strlen(data) + 1 + + -- Function: int cfulist_push_string (cfulist_t * LIST, char * DATA) + + -- Function: char * cfulist_pop_string (cfulist_t * LIST); + + -- Function: int cfulist_unshift_string (cfulist_t * LIST, char * + DATA); + + -- Function: char * cfulist_shift_string (cfulist_t * LIST); + + -- Function: int cfulist_enqueue_string (cfulist_t * LIST, char * + DATA); + + -- Function: char * cfulist_dequeue_string (cfulist_t * LIST); + + -- Function: char * cfulist_join (cfulist_t * LIST, const char * + DELIMITER) + + +File: libcfu.info, Node: Strings, Prev: Linked list, Up: Data structures + +1.3 Strings +=========== + + -- Function: cfustring_t * cfustring_new (size_t INITIAL_SIZE) + Returns a new String. + + -- Function: cfustring_t * cfustring_new_from_string (const char * + STRING) + Returns a new String initalized with the given string. + + -- Function: int cfustring_dup (cfustring_t * CFU_STR, const char * + STRING) + Overwrite anything currently in cfu_str with string. + + -- Function: int cfustring_clear (cfustring_t * CFU_STR) + Truncate the string. + + -- Function: int cfustring_append (cfustring_t * CFU_STR, const char * + STR) + Append str to the end of the buffer in cfu_str. + + -- Function: char * cfustring_get_buffer (cfustring_t * CFU_STR) + Get the buffer used to hold the string. Do not free() it, as it is + used directly by cfustring and will be destroyed when + cfustring_destroy() is called. + + + -- Function: char * cfustring_get_buffer_copy (cfustring_t * CFU_STR) + Same as cfustring_get_buffer(), except return a copy of the string. + Caller is responsible for deallocating the buffer with free(). + + + -- Function: cfustring_t ** cfustring_split (cfustring_t * CFU_STR, + size_t * NUM_STRINGS, size_t LIMIT, ...) + Split cfu_str on one or more delimiting strings, e.g., + cfustring_split(cfu_str, 2, 0, "\r\n", "\n"). Use a limit > 0 if + you want to only get back a certain number of strings and ignore + any extra delimiters. + + + -- Function: char ** cfustring_split_to_c_str (cfustring_t * CFU_STR, + size_t * NUM_STRINGS, size_t LIMIT, ...) + Same as cfustring_split(), except return an array of C-strings. + Caller is responsible for deallocating the buffers. + + + -- Function: int cfustring_destroy (cfustring_t * CFU_STR) + Free all resources allocated by cfu_str. + + -- Function: char * cfustring_dup_c_str (const char * STR) + Duplicate the C string str. Caller must free with free(). + + -- Function: char * cfustring_dup_c_str_n (const char * STR, size_t N) + Same as cfustring_dup_c_str(), but only copy at most n chars + + -- Function: size_t cfustring_sprintf (cfustring_t * CFU_STR, const + char * FMT, ...); + Like sprintf(), but writes to a self-extending string. + + -- Function: size_t cfustring_vsprintf (cfustring_t * CFU_STR, const + char * FMT, va_list AP); + Like vsprintf(), but writes to a self-extending string. + + -- Function: char * cfustring_sprintf_c_str (const char * FMT, ...) + Similar to sprintf(), but allocates a C string of the appropriate + size for you and returns it. + + -- Function: char ** cfustring_c_str_split (const char * C_STR, size_t + * NUM_STRINGS, size_t LIMIT, ...) + Like cfustring_split_to_c_str(), but split a char * instead of a + cfustring_t *. + + + +File: libcfu.info, Node: Conf, Next: Options, Prev: Top, Up: Top + +2 Conf +****** + +This needs to be better documented. + + Apache-style conf files contain directives and containers. +Directives are simple one line specifications with or without +arguments, e.g., + + Doit Expires On LoadModule my_mod modules/my_mod.so + + Containers have a type and a name associated with them and they in +turn contain directives and/or containers, e.g., + + Expires Off + DBHost db.example.com DBUser +test_user + + Values may be quoted, e.g. + + DBUser "test user" + + But must be specified on a single line. To escape quotes within a +quoted string, use the '\' character. + + -- Function: int cfuconf_parse_file (char * FILE_PATH, cfuconf_t ** + CONF, char ** ERROR) + Parse the apache-like conf file specified by file_path, returning + a pointer to a cfuconf_t structure in conf. Returns zero on + success, less than zero on error. If an error occurs and error + is not NULL, it will be set to an error message (which must be + free()'d by the caller). + + + -- Function: int cfuconf_parse_buffer (char * BUFFER, cfuconf_t ** + CONF, char ** ERROR) + Same as cfuconf_parse_file(), except assume the contents of the + file are already in buffer. + + + -- Function: void cfuconf_destroy (cfuconf_t * CONF) + Free all resources used by the cfuconf_t structure + + -- Function: cfuhash_table_t * cfuconf_get_containers (cfuconf_t * + CONF) + Get a hash of containers at the top level of conf + + -- Function: cfuhash_table_t * cfuconf_get_directives (cfuconf_t * + CONF) + Get a hash of directives at the to level + + -- Function: int cfuconf_get_directive_one_arg (cfuconf_t * CONF, char + * DIRECTIVE, char ** RVALUE) + Get the value of the given directive, assuming there is only one + argument + + -- Function: int cfuconf_get_directive_two_args (cfuconf_t * CONF, + char * DIRECTIVE, char ** RVALUE, char ** RVALUE2) + Get the value of the given directive, assuming there are two + arguments + + -- Function: int cfuconf_get_directive_n_args (cfuconf_t * CONF, char + * DIRECTIVE, size_t N, ...) + Get the value of the given directives, with n arguments + + +File: libcfu.info, Node: Options, Next: Thread queue, Prev: Conf, Up: Top + +3 Options +********* + +Command-line arguments can be parsed with the following: + + + cfuopt_t *opt = cfuopt_new(); + cfuopt_add_entry(opt, "verbose|v!", &verbose, "Verbosity", ""); + cfuopt_add_entry(opt, "file|f:s", &file, "File to load", "FILE"); + cfuopt_add_entry(opt, "count|c|n=i", &count, "Count to run", "COUNT"); + cfuopt_add_entry(opt, "scale|s:f", &scale, "Scaling factor", "SCALE"); + cfuopt_parse(opt, &argc, &argv, &error); + /* do stuff here with the options */ + cfuopt_destroy(opt); + free(file); + + -- Function: cfuopt_t * cfuopt_new () + Returns a new options context. + + -- Function: void cfuopt_add_entry (cfuopt_t *CONTEXT, const char + *OPT_STR, void *ARG_DATA, const char *DESCRIPTION, const char + *ARG_DESCRIPTION) + Adds to the list of known options. + + -- Function: void cfuopt_parse (cfuopt_t *CONTEXT, int *ARGC, char + ***ARGV, char **ERROR) + Parses the command line and modifies argc and argv to account for + left over arguments. + + -- Function: char * cfuopt_get_help_str (cfuopt_t *CONTEXT) + Returns a help string built from the entries added with + cfuopt_add_entry(). + + -- Function: void cfuopt_destroy (cfuopt_t *CONTEXT) + Frees up resources used by the option parser. + + +File: libcfu.info, Node: Thread queue, Next: Timer, Prev: Options, Up: Top + +4 Thread queue +************** + +cfuthread_queue provides a way to serialize requests for a resource +where you want the resource to be accessed from a single thread only. +For instance, for a database connection where making calls in separate +threads does not work properly, you can use cfuthread_queue. +cfuthread_queue_new() creates a new thread that waits for something to +be added to the queue. Once something is added, the thread will +process the data by calling the function you pass as an argument to the +cfuthread_queue_new() function. + + -- Function: cfuthread_queue_t * cfuthread_queue_new + (cfuthread_queue_fn_t FN) + Creates a new thread queue structure that will run the given + function when a request is received. + + + -- Function: cfuthread_queue_t * cfuthread_queue_new_with_cleanup + (cfuthread_queue_fn_t FN, cfuthread_queue_init_t INIT_FN, + void * INIT_ARG, cfuthread_queue_cleanup_t CLEANUP_FN, void * + CLEANUP_ARG) + Same as cfuthread_queue_new(), but with an initialization + function that gets called with the argument init_arg when the + thread is created, and a cleanup function that gets called with + the argument cleanup_arg when the thread exits, e.g., when + cfuthread_queue_destroy() is called. + + + -- Function: void * cfuthread_queue_make_request (cfuthread_queue_t * + TQ, void * DATA) + Add a request to the queue. data will get passed to the function + fn given to cfuthread_queue_new when it reaches the front of the + queue. + + + -- Function: void cfuthread_queue_destroy (cfuthread_queue_t * TQ) + Free up resources used by the queue, in addition to canceling the + thread. + + + +File: libcfu.info, Node: Timer, Next: License, Prev: Thread queue, Up: Top + +5 Timer +******* + + -- Function: cfutime_t *cfutime_new (); + Return a new cfutime structure. + + -- Function: void cfutime_begin (cfutime_t *TIME) + Start the timer. + + -- Function: void cfutime_end (cfutime_t * TIME) + Stop the timer. + + -- Function: double cfutime_elapsed (cfutime_t * TIME) + Return the number of seconds elapsed as a double. + + -- Function: void cfutime_free (cfutime_t * TIME) + Deallocate resources allocated for time. + + +File: libcfu.info, Node: License, Prev: Timer, Up: Top + +License +******* + +Copyright (C) 2005 Don Owens All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following +disclaimer in the documentation and/or other materials provided with +the distribution. + + * Neither the name of the author nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +File: libcfu.info, Node: Concept index, Next: Function index, Prev: Top, Up: Top + +Concept index +************* + +[index] +* Menu: + +* apache configuration file: Conf. (line 6) +* arguments: Options. (line 6) +* command-line arguments: Options. (line 6) +* configuration file: Conf. (line 6) +* data structures: Data structures. (line 6) +* hash tables: Hash table. (line 6) +* license: License. (line 6) +* linked list: Linked list. (line 6) +* options: Options. (line 6) +* queues: Linked list. (line 6) +* self-extending strings: Strings. (line 6) +* strings: Strings. (line 6) +* thread queue: Thread queue. (line 6) +* threading: Thread queue. (line 6) +* timer: Timer. (line 6) + + +File: libcfu.info, Node: Function index, Prev: Concept index, Up: Top + +Function index +************** + +[index] +* Menu: + +* **cfuhash_keys_data: Hash table. (line 122) +* *cfutime_new: Timer. (line 7) +* cfuconf_destroy: Conf. (line 44) +* cfuconf_get_containers: Conf. (line 48) +* cfuconf_get_directive_n_args: Conf. (line 66) +* cfuconf_get_directive_one_arg: Conf. (line 56) +* cfuconf_get_directive_two_args: Conf. (line 61) +* cfuconf_get_directives: Conf. (line 52) +* cfuconf_parse_buffer: Conf. (line 39) +* cfuconf_parse_file: Conf. (line 30) +* cfuhash_bencode_strings: Hash table. (line 192) +* cfuhash_clear: Hash table. (line 112) +* cfuhash_clear_flag: Hash table. (line 86) +* cfuhash_copy: Hash table. (line 46) +* cfuhash_delete: Hash table. (line 236) +* cfuhash_delete_data: Hash table. (line 116) +* cfuhash_destroy: Hash table. (line 164) +* cfuhash_destroy_with_free_fn: Hash table. (line 169) +* cfuhash_each: Hash table. (line 239) +* cfuhash_each_data: Hash table. (line 131) +* cfuhash_exists: Hash table. (line 230) +* cfuhash_exists_data: Hash table. (line 97) +* cfuhash_foreach: Hash table. (line 155) +* cfuhash_foreach_remove: Hash table. (line 147) +* cfuhash_get: Hash table. (line 227) +* cfuhash_get_data: Hash table. (line 90) +* cfuhash_get_flags: Hash table. (line 78) +* cfuhash_keys: Hash table. (line 245) +* cfuhash_lock: Hash table. (line 198) +* cfuhash_merge: Hash table. (line 50) +* cfuhash_new: Hash table. (line 27) +* cfuhash_new_with_flags: Hash table. (line 36) +* cfuhash_new_with_free_fn: Hash table. (line 41) +* cfuhash_new_with_initial_size: Hash table. (line 31) +* cfuhash_next: Hash table. (line 242) +* cfuhash_next_data: Hash table. (line 139) +* cfuhash_num_buckets: Hash table. (line 184) +* cfuhash_num_buckets_used: Hash table. (line 187) +* cfuhash_num_entries: Hash table. (line 181) +* cfuhash_pretty_print: Hash table. (line 212) +* cfuhash_put: Hash table. (line 233) +* cfuhash_put_data: Hash table. (line 103) +* cfuhash_rehash: Hash table. (line 176) +* cfuhash_set_flag: Hash table. (line 82) +* cfuhash_set_free_function: Hash table. (line 71) +* cfuhash_set_hash_function: Hash table. (line 56) +* cfuhash_set_thresholds: Hash table. (line 63) +* cfuhash_unlock: Hash table. (line 206) +* cfulist_dequeue: Linked list. (line 112) +* cfulist_dequeue_data: Linked list. (line 49) +* cfulist_dequeue_string: Linked list. (line 129) +* cfulist_destroy: Linked list. (line 91) +* cfulist_each_data: Linked list. (line 71) +* cfulist_enqueue: Linked list. (line 110) +* cfulist_enqueue_data: Linked list. (line 45) +* cfulist_enqueue_string: Linked list. (line 127) +* cfulist_first_data: Linked list. (line 54) +* cfulist_foreach: Linked list. (line 77) +* cfulist_join: Linked list. (line 132) +* cfulist_last_data: Linked list. (line 59) +* cfulist_map: Linked list. (line 86) +* cfulist_new: Linked list. (line 21) +* cfulist_next_data: Linked list. (line 74) +* cfulist_nth_data: Linked list. (line 64) +* cfulist_num_entries: Linked list. (line 24) +* cfulist_pop: Linked list. (line 104) +* cfulist_pop_data: Linked list. (line 33) +* cfulist_pop_string: Linked list. (line 119) +* cfulist_push: Linked list. (line 102) +* cfulist_push_data: Linked list. (line 29) +* cfulist_push_string: Linked list. (line 117) +* cfulist_reset_each: Linked list. (line 68) +* cfulist_shift: Linked list. (line 108) +* cfulist_shift_data: Linked list. (line 41) +* cfulist_shift_string: Linked list. (line 124) +* cfulist_unshift: Linked list. (line 106) +* cfulist_unshift_data: Linked list. (line 37) +* cfulist_unshift_string: Linked list. (line 122) +* cfuopt_add_entry: Options. (line 25) +* cfuopt_destroy: Options. (line 37) +* cfuopt_get_help_str: Options. (line 33) +* cfuopt_new: Options. (line 20) +* cfuopt_parse: Options. (line 29) +* cfustring_append: Strings. (line 22) +* cfustring_c_str_split: Strings. (line 72) +* cfustring_clear: Strings. (line 18) +* cfustring_destroy: Strings. (line 50) +* cfustring_dup: Strings. (line 15) +* cfustring_dup_c_str: Strings. (line 53) +* cfustring_dup_c_str_n: Strings. (line 56) +* cfustring_get_buffer: Strings. (line 25) +* cfustring_get_buffer_copy: Strings. (line 31) +* cfustring_new: Strings. (line 7) +* cfustring_new_from_string: Strings. (line 11) +* cfustring_split: Strings. (line 37) +* cfustring_split_to_c_str: Strings. (line 45) +* cfustring_sprintf: Strings. (line 60) +* cfustring_sprintf_c_str: Strings. (line 67) +* cfustring_vsprintf: Strings. (line 64) +* cfuthread_queue_destroy: Thread queue. (line 40) +* cfuthread_queue_make_request: Thread queue. (line 34) +* cfuthread_queue_new: Thread queue. (line 17) +* cfuthread_queue_new_with_cleanup: Thread queue. (line 25) +* cfutime_begin: Timer. (line 10) +* cfutime_elapsed: Timer. (line 16) +* cfutime_end: Timer. (line 13) +* cfutime_free: Timer. (line 19) +* typedef <1>: Linked list. (line 8) +* typedef: Hash table. (line 8) + + + +Tag Table: +Node: Top3327 +Node: Data structures3837 +Node: Hash table4065 +Node: Linked list14625 +Node: Strings19375 +Node: Conf22220 +Node: Options24608 +Node: Thread queue25950 +Node: Timer27721 +Node: License28255 +Node: Concept index29869 +Node: Function index31103 + +End Tag Table diff --git a/doc/libcfu.texi b/doc/libcfu.texi new file mode 100644 index 0000000..3b1a38d --- /dev/null +++ b/doc/libcfu.texi @@ -0,0 +1,969 @@ +\input texinfo +@c %**start of header +@iftex +@afourpaper +@setchapternewpage off +@end iftex +@setfilename libcfu.info +@settitle Libcfu Programmers Guide +@c %**end of header + +@include version.texi + +Copyright @copyright{} 2005 Don Owens + +This code is released under the BSD license: + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +OF THE POSSIBILITY OF SUCH DAMAGE. + + +@ifinfo +@dircategory Libraries +@direntry + * Libcfu: (libcfu). The cfu library. +@end direntry +@end ifinfo + +@ifinfo +This manual describes the external interface to libcfu version @value{VERSION} + +Copyright @copyright{} 2005 Don Owens +All rights reserved. + +This code is released under the BSD license: + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +OF THE POSSIBILITY OF SUCH DAMAGE. +@end ifinfo + +@titlepage +@title Libcfu Programmers Guide +@subtitle Version @value{VERSION} +@author Don Owens +@page +@vskip 0pt plus 1filll +Copyright @copyright{} 2005 Don Owens +All rights reserved. + +This code is released under the BSD license: + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +OF THE POSSIBILITY OF SUCH DAMAGE. +@end titlepage + +@node Top, Data structures, (dir), (dir) +@ifinfo +This manual describes the interface to libcfu version @value{VERSION} + +Copyright @copyright{} 2005 Don Owens +@end ifinfo + +@menu +* Data structures:: +* Conf:: For reading configuration files +* Options:: For parsing command-line arguments +* Thread queue:: For queueing up requests for a separate thread +* Timer:: An easy to use timer + +* License:: License under which libcfu is distributed + +* Concept index:: +* Function index:: +@end menu + +@node Data structures, , Top, Top +@chapter Data structures +@cindex data structures + +@menu +* Hash table:: For key/value pairs +* Linked list:: For unordered data +* Strings:: For self-extending strings +@end menu + +@node Hash table, Linked list, Data structures, Data structures +@section Hash table +@cindex hash tables + +@defspec typedef u_int32_t (*cfuhash_function_t)(const void * @var{key}, size_t @var{length}) + Prototype for a pointer to a hashing function. +@end defspec + +@defspec typedef void (*cfuhash_free_fn_t)(void * @var{data}) + Prototype for a pointer to a free function. +@end defspec + +@defspec typedef int (*cfuhash_remove_fn_t)(void * @var{key}, size_t @var{key_size}, void * @var{data}, size_t @var{data_size}, void * @var{arg}) + Prototype for a pointer to a function that determines whether or not to remove an entry from the hash. +@end defspec + +@defspec typedef int (*cfuhash_foreach_fn_t)(void * @var{key}, size_t @var{key_size}, void * @var{data}, size_t @var{data_size}, void * @var{arg}) + Prototype for a pointer to a function to be called foreach key/value + pair in the hash by cfuhash_foreach(). The return value should + normally be zero. A non-zero return value means to stop iterating + over the key/value pairs. +@end defspec + +@deftypefun {cfuhash_table_t *} cfuhash_new (size_t @var{size}, u_int32_t @var{flags}) + + Creates a new hash table. +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuhash_new_with_initial_size (size_t @var{size}) + + Creates a new hash table with the specified size (number of + buckets). + +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuhash_new_with_flags (u_int32_t @var{flags}) + + Creates a new hash table with the specified flags. Pass zero + for flags if you want the defaults. +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuhash_new_with_free_fn (size_t @var{size}, u_int32_t @var{flags}, cfuhash_free_fn_t @var{ff}) + + Same as cfuhash_new() except automatically calls cfuhash_set_free_fn(). +@end deftypefun + +@deftypefun {int} cfuhash_copy (cfuhash_table_t * @var{src}, cfuhash_table_t * @var{dst}) + + Copies entries in src to dst +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuhash_merge (cfuhash_table_t * @var{ht1}, cfuhash_table_t * @var{ht2}, u_int32_t @var{flags}) + + Returns a new hash containing entries from both hash tables. + For any entries with the same key, the one from ht2 wins. + +@end deftypefun + +@deftypefun {int} cfuhash_set_hash_function (cfuhash_table_t * @var{ht}, cfuhash_function_t @var{hf}) + + Sets the hashing function to use when computing which bucket to add + entries to. It should return a 32-bit unsigned integer. By + default, Perl's hashing algorithm is used. + +@end deftypefun + +@deftypefun {int} cfuhash_set_thresholds (cfuhash_table_t * @var{ht}, float @var{low}, float @var{high}) + + Sets the thresholds for when to rehash. The ratio + num_entries/buckets is compared against low and high. If it is + below 'low' or above 'high', the hash will shrink or grow, + respectively, unless the flags say to do otherwise. + +@end deftypefun + +@deftypefun {int} cfuhash_set_free_function (cfuhash_table_t * @var{ht}, cfuhash_free_fn_t @var{ff}) + + Sets the function to use when removing an entry from the hash, + i.e., when replacing an existing entry, deleting an entry, or + clearing the hash. It is passed the value of the entry as a + void *. + +@end deftypefun + +@deftypefun {u_int32_t} cfuhash_get_flags (cfuhash_table_t * @var{ht}) + + Returns the hash's flags. See below for flag definitions. +@end deftypefun + +@deftypefun {u_int32_t} cfuhash_set_flag (cfuhash_table_t * @var{ht}, u_int32_t @var{flag}) + + Sets a flag. +@end deftypefun + +@deftypefun {u_int32_t} cfuhash_clear_flag (cfuhash_table_t * @var{ht}, u_int32_t @var{new_flag}) + + Clears a flag. +@end deftypefun + +@deftypefun {int} cfuhash_get_data (cfuhash_table_t * @var{ht}, const void * @var{key}, size_t @var{key_size}, void ** @var{data}, size_t * @var{data_size}) + + Returns the value for the entry with given key. If key_size is -1, + key is assumed to be a null-terminated string. If data_size is not + NULL, the size of the value is placed into data_size. + +@end deftypefun + +@deftypefun {int} cfuhash_exists_data (cfuhash_table_t * @var{ht}, const void * @var{key}, size_t @var{key_size}) + + Returns 1 if an entry with the given key exists in the hash, 0 otherwise. +@end deftypefun + +@deftypefun {int} cfuhash_put_data (cfuhash_table_t * @var{ht}, const void * @var{key}, size_t @var{key_size}, void * @var{data}, size_t @var{data_size}, void ** @var{r}) + + Inserts the given data value into the hash and associates it with + key. If key_size is -1, key is assumed to be a null-terminated + string. If data_size is -1, it is assumed to be a null-terminated + string (it's length will be calculated using strlen). If + data_size is zero, it will be returned as zero when the value is + requested. + +@end deftypefun + +@deftypefun {void} cfuhash_clear (cfuhash_table_t * @var{ht}) + + Clears the hash table (deletes all entries). +@end deftypefun + +@deftypefun {void *} cfuhash_delete_data (cfuhash_table_t * @var{ht}, const void * @var{key}, size_t @var{key_size}) + + Deletes the entry in the hash associated with key. If the entry + existed, it's value will be returned. + +@end deftypefun + +@deftypefun {void} **cfuhash_keys_data (cfuhash_table_t * @var{ht}, size_t * @var{num_keys}, size_t ** @var{key_sizes}, int @var{fast}) + + Returns all the keys from the hash. The number of keys is placed + into the value pointed to by num_keys. If key_sizes is not NULL, + it will be set to an array of key sizes. If fast is zero, copies + of the keys are returned. Otherwise, pointers to the real keys + will be returned. + +@end deftypefun + +@deftypefun {int} cfuhash_each_data (cfuhash_table_t * @var{ht}, void ** @var{key}, size_t * @var{key_size}, void ** @var{data}, size_t * @var{data_size}) + + Initializes a loop over all the key/value pairs in the hash. It + returns the first key/value pair (see cfuhash_next_data()). 1 is + returned if there are any entries in the hash. 0 is returned + otherwise. + +@end deftypefun + +@deftypefun {int} cfuhash_next_data (cfuhash_table_t * @var{ht}, void ** @var{key}, size_t * @var{key_size}, void ** @var{data}, size_t * @var{data_size}) + + Gets the next key/value pair from the hash. You must initialize + the loop using cfuhash_each_data() before calling this function. + If a entry is left to return, 1 is returned from the function. 0 + is returned if there are no more entries in the hash. + +@end deftypefun + +@deftypefun {size_t} cfuhash_foreach_remove (cfuhash_table_t * @var{ht}, cfuhash_remove_fn_t @var{r_fn}, cfuhash_free_fn_t @var{ff}, void * @var{arg}) + + Iterates over the key/value pairs in the hash, passing each one + to r_fn, and removes all entries for which r_fn returns true. + If ff is not NULL, it is the passed the data to be freed. arg + is passed to r_fn. + +@end deftypefun + +@deftypefun {size_t} cfuhash_foreach (cfuhash_table_t * @var{ht}, cfuhash_foreach_fn_t @var{fe_fn}, void * @var{arg}) + + Iterates over the key/value pairs in the hash, passing each one + to fe_fn, along with arg. This locks the hash, so do not call + any operations on the hash from within fe_fn unless you really + know what you're doing. + + If the return value from fe_fn() is not zero, the iteration stops. + +@end deftypefun + +@deftypefun {int} cfuhash_destroy (cfuhash_table_t * @var{ht}) + + Frees all resources allocated by the hash. + +@end deftypefun + +@deftypefun {int} cfuhash_destroy_with_free_fn (cfuhash_table_t * @var{ht}, cfuhash_free_fn_t @var{ff}) + + Frees all resources allocated by the hash. If ff is not NULL, it + is called for each hash entry with the value of the entry passed as + its only argument. If ff is not NULL, it overrides any function + set previously with cfuhash_set_free_function(). + +@end deftypefun + +@deftypefun {int} cfuhash_rehash (cfuhash_table_t * @var{ht}) + + Rebuild the hash to better accomodate the number of entries. See + cfuhash_set_thresholds(). + +@end deftypefun + +@deftypefun {size_t} cfuhash_num_entries (cfuhash_table_t * @var{ht}) + + Returns the number entries in the hash. +@end deftypefun + +@deftypefun {size_t} cfuhash_num_buckets (cfuhash_table_t * @var{ht}) + + Returns the number of buckets allocated for the hash. +@end deftypefun + +@deftypefun {size_t} cfuhash_num_buckets_used (cfuhash_table_t * @var{ht}) + + Returns the number of buckets actually used out of the total number + allocated for the hash. + +@end deftypefun + +@deftypefun {char *} cfuhash_bencode_strings (cfuhash_table_t * @var{ht}) + + Assumes all the keys and values are null-terminated strings and + returns a bencoded string representing the hash (see + http://www.bittorrent.com/protocol.html) + +@end deftypefun + +@deftypefun {int} cfuhash_lock (cfuhash_table_t * @var{ht}) + + Locks the hash. Use this with the each and next functions for + concurrency control. Note that the hash is locked automatically + when doing inserts and deletes, so if you lock the hash and then + try to insert something into it, you may get into a deadlock, + depending on your system defaults for how mutexes work. + +@end deftypefun + +@deftypefun {int} cfuhash_unlock (cfuhash_table_t * @var{ht}) + + Unlocks the hash. Use this with the each an next functions for + concurrency control. The caveat for cfuhash_lock() also applies to + this function. + +@end deftypefun + +@deftypefun {int} cfuhash_pretty_print (cfuhash_table_t * @var{ht}, FILE * @var{fp}) + + Pretty print the hash's key/value pairs to the stream fp. It is + assumed that all the keys and values are null-terminated strings. + +@end deftypefun + + These are like the _data versions of these functions, with the + following exceptions: + + 1) They assume that the key provided is a null-terminated string. + + 2) They don't worry about the size of the data. + + 3) Returned keys or values are the return value of the function. + +@deftypefun {void *} cfuhash_get (cfuhash_table_t * @var{ht}, const char * @var{key}) +@end deftypefun + +@deftypefun int cfuhash_exists (cfuhash_table_t * @var{ht}, const char * @var{key}); +@end deftypefun +@deftypefun {void *} cfuhash_put (cfuhash_table_t * @var{ht}, const char * @var{key}, void * @var{data}); +@end deftypefun +@deftypefun {void *} cfuhash_delete (cfuhash_table_t * @var{ht}, const char * @var{key}); +@end deftypefun +@deftypefun int cfuhash_each (cfuhash_table_t * @var{ht}, char ** @var{key}, void ** @var{data}); +@end deftypefun +@deftypefun int cfuhash_next (cfuhash_table_t * @var{ht}, char ** @var{key}, void ** @var{data}); +@end deftypefun +@deftypefun {void **} cfuhash_keys (cfuhash_table_t * @var{ht}, size_t * @var{num_keys}, int @var{fast}); +@end deftypefun + +Valid flags for cfuhash_new() or cfuhash_set_flag): + +@defvr CFUHASH_NOCOPY_KEYS +Don't copy the key when adding an entry to the hash table. +@end defvr +@defvr CFUHASH_NO_LOCKING +Don't not use any mutexes. Beware that this flag makes the hash +table non thread-safe. +@end defvr +@defvr CFUHASH_FROZEN +Do not rehash (don't grow or shrink the number of buckets in the hash +table when the thresholds are reached). +@end defvr +@defvr CFUHASH_FROZEN_UNTIL_GROWS +Do not rehash until the upper threshold is reached the first time +(useful for preallocating a large hash to avoid rehashing while +filling it). +@end defvr +@defvr CFUHASH_FREE_DATA +Call free() on the values when cfuhash_destroy() is called. +@end defvr +@defvr CFUHASH_IGNORE_CASE +Treat the keys case-insensitively. +@end defvr + + +@node Linked list, Strings, Hash table, Data structures +@section Linked list +@cindex linked list +@cindex queues + +@defspec typedef int (*cfulist_foreach_fn_t)(void * @var{data}, size_t @var{data_size}, void * @var{arg}) + Function called for each element in the list when passed to + cfulist_foreach(). A non-zero return value means to stop iteration. +@end defspec + + +@defspec typedef {void *} (*cfulist_map_fn_t)(void *@var{data}, size_t @var{data_size}, void *@var{arg}, size_t *@var{new_data_size}) +Function called for each element in the list when passed to +cfulist_map(). The return value is used to build a new list. +@end defspec + + +@defspec typedef void (*cfulist_free_fn_t)(void * @var{data}) + Function called to free the data in an element. +@end defspec + + +@deftypefun {cfulist_t *} cfulist_new (); + + Returns a new list. +@end deftypefun + +@deftypefun {size_t} cfulist_num_entries (cfulist_t *@var{list}) + + Returns the number of entries in the list. + +@end deftypefun + +@deftypefun {int} cfulist_push_data (cfulist_t * @var{list}, void * @var{data}, size_t @var{data_size}) + + Push a value onto the end of the list. +@end deftypefun + +@deftypefun {int} cfulist_pop_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}) + + Pop a value from the end of the list (removing it from the list). +@end deftypefun + +@deftypefun {int} cfulist_unshift_data (cfulist_t * @var{list}, void * @var{data}, size_t @var{data_size}) + + Add a value at the beginning of the list. +@end deftypefun + +@deftypefun {int} cfulist_shift_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}) + + Shift a value off the beginning of the list. +@end deftypefun + +@deftypefun {int} cfulist_enqueue_data (cfulist_t * @var{list}, void * @var{data}, size_t @var{data_size}) + + Add a value at the end of the queue (equivalent to push) +@end deftypefun + +@deftypefun {int} cfulist_dequeue_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}) + + Remove the value at the beginning of the list (equivalent to shift). +@end deftypefun + +@deftypefun int cfulist_first_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}); + + Return the first entry from the list (without removing it from the list). +@end deftypefun + +@deftypefun int cfulist_last_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}); + + Return the last entry from the list (without removing it from the list). +@end deftypefun +@deftypefun int cfulist_nth_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}, size_t @var{n}); + + Return the nth entry from the list (without removing it from the list). n starts at zero. +@end deftypefun + + + +@deftypefun void cfulist_reset_each (cfulist_t * @var{list}); +@end deftypefun + +@deftypefun int cfulist_each_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}); +@end deftypefun + +@deftypefun int cfulist_next_data (cfulist_t * @var{list}, void ** @var{data}, size_t * @var{data_size}); +@end deftypefun + + +@deftypefun size_t cfulist_foreach (cfulist_t * @var{list}, cfulist_foreach_fn_t @var{fe_fn}, void * @var{arg}); + +Calls fe_fn() for each element in the list. Also passes arg on each +call. Do not try to manipulate the list inside fe_fn(), as the list +will be locked. + +If fe_fn() returns a non-zero value, the iteration over the elements stops. +@end deftypefun + + +@deftypefun {cfulist_t *}cfulist_map (cfulist_t *@var{list}, cfulist_map_fn_t @var{map_fn}, void *@var{arg}); +Creates a new list from the list passed in. Calls map_fn() on each +element in the list. The return value is placed in the corresponding +position in the new list. +@end deftypefun + +@deftypefun {void} cfulist_destroy (cfulist_t * @var{list}) + + Free all resources used by the list. +@end deftypefun + +@deftypefun {void} cfulist_destroy (cfulist_t * @var{list}, cfulist_free_fn_t @var{free_fn}) + + Free all resources used by the list. If free_fn is not NULL, call it +for each element of the list, passing the data to it as a void *. +@end deftypefun + + +When you don't care about the size of the data + +@deftypefun {int} cfulist_push (cfulist_t * @var{list}, void * @var{data}) +@end deftypefun + +@deftypefun {void *} cfulist_pop (cfulist_t * @var{list}); +@end deftypefun +@deftypefun {int} cfulist_unshift (cfulist_t * @var{list}, void * @var{data}); +@end deftypefun +@deftypefun {void *} cfulist_shift (cfulist_t * @var{list}); +@end deftypefun +@deftypefun {int} cfulist_enqueue (cfulist_t * @var{ist}, void * @var{data}); +@end deftypefun +@deftypefun {void *} cfulist_dequeue (cfulist_t * @var{list}); +@end deftypefun + +Strings -- assume data is a null-terminated string -- size is calculated by strlen(data) + 1 + +@deftypefun {int} cfulist_push_string (cfulist_t * @var{list}, char * @var{data}) +@end deftypefun + +@deftypefun {char *} cfulist_pop_string (cfulist_t * @var{list}); +@end deftypefun +@deftypefun {int} cfulist_unshift_string (cfulist_t * @var{list}, char * @var{data}); +@end deftypefun +@deftypefun {char *} cfulist_shift_string (cfulist_t * @var{list}); +@end deftypefun +@deftypefun {int} cfulist_enqueue_string (cfulist_t * @var{list}, char * @var{data}); +@end deftypefun +@deftypefun {char *} cfulist_dequeue_string (cfulist_t * @var{list}); +@end deftypefun + +@deftypefun {char *} cfulist_join (cfulist_t * @var{list}, const char * @var{delimiter}) +@end deftypefun + +@node Strings, , Linked list, Data structures +@section Strings +@cindex strings +@cindex self-extending strings + +@deftypefun {cfustring_t *} cfustring_new (size_t @var{initial_size}) + + Returns a new String. +@end deftypefun + +@deftypefun {cfustring_t *} cfustring_new_from_string (const char * @var{string}) + + Returns a new String initalized with the given string. +@end deftypefun + +@deftypefun {int} cfustring_dup (cfustring_t * @var{cfu_str}, const char * @var{string}) + + Overwrite anything currently in cfu_str with string. +@end deftypefun + +@deftypefun {int} cfustring_clear (cfustring_t * @var{cfu_str}) + + Truncate the string. +@end deftypefun + +@deftypefun {int} cfustring_append (cfustring_t * @var{cfu_str}, const char * @var{str}) + + Append str to the end of the buffer in cfu_str. +@end deftypefun + +@deftypefun {char *} cfustring_get_buffer (cfustring_t * @var{cfu_str}) + + Get the buffer used to hold the string. Do not free() it, as it is + used directly by cfustring and will be destroyed when + cfustring_destroy() is called. + +@end deftypefun + +@deftypefun {char *} cfustring_get_buffer_copy (cfustring_t * @var{cfu_str}) + + Same as cfustring_get_buffer(), except return a copy of the string. + Caller is responsible for deallocating the buffer with free(). + +@end deftypefun + +@deftypefun {cfustring_t **} cfustring_split (cfustring_t * @var{cfu_str}, size_t * @var{num_strings}, size_t @var{limit}, @var{...}) + + Split cfu_str on one or more delimiting strings, e.g., + cfustring_split(cfu_str, 2, 0, "\r\n", "\n"). Use a limit > 0 if + you want to only get back a certain number of strings and ignore + any extra delimiters. + +@end deftypefun + +@deftypefun {char **} cfustring_split_to_c_str (cfustring_t * @var{cfu_str}, size_t * @var{num_strings}, size_t @var{limit}, @var{...}) + + Same as cfustring_split(), except return an array of C-strings. + Caller is responsible for deallocating the buffers. + +@end deftypefun + +@deftypefun {int} cfustring_destroy (cfustring_t * @var{cfu_str}) + + Free all resources allocated by cfu_str. +@end deftypefun + +@deftypefun {char *} cfustring_dup_c_str (const char * @var{str}) + + Duplicate the C string str. Caller must free with free(). +@end deftypefun + +@deftypefun {char *} cfustring_dup_c_str_n (const char * @var{str}, size_t @var{n}) + + Same as cfustring_dup_c_str(), but only copy at most n chars +@end deftypefun + +@deftypefun size_t cfustring_sprintf (cfustring_t * @var{cfu_str}, const char * @var{fmt}, @var{...}); + + Like sprintf(), but writes to a self-extending string. +@end deftypefun + +@deftypefun size_t cfustring_vsprintf (cfustring_t * @var{cfu_str}, const char * @var{fmt}, va_list @var{ap}); + Like vsprintf(), but writes to a self-extending string. +@end deftypefun + +@deftypefun {char *} cfustring_sprintf_c_str (const char * @var{fmt}, @var{...}) + + Similar to sprintf(), but allocates a C string of the + appropriate size for you and returns it. +@end deftypefun + +@deftypefun {char **} cfustring_c_str_split (const char * @var{c_str}, size_t * @var{num_strings}, size_t @var{limit}, @var{...}) + + Like cfustring_split_to_c_str(), but split a char * instead of a cfustring_t *. + +@end deftypefun + + +@node Conf, Options, Top, Top +@chapter Conf +@cindex configuration file +@cindex apache configuration file + +This needs to be better documented. + + +Apache-style conf files contain directives and containers. +Directives are simple one line specifications with or without +arguments, e.g., + + Doit + Expires On + LoadModule my_mod modules/my_mod.so + +Containers have a type and a name associated with them and they +in turn contain directives and/or containers, e.g., + + + Expires Off + + DBHost db.example.com + DBUser test_user + + + +Values may be quoted, e.g. + + DBUser "test user" + +But must be specified on a single line. To escape quotes +within a quoted string, use the '\' character. + + +@deftypefun {int} cfuconf_parse_file (char * @var{file_path}, cfuconf_t ** @var{conf}, char ** @var{error}) + + Parse the apache-like conf file specified by file_path, + returning a pointer to a cfuconf_t structure in conf. Returns + zero on success, less than zero on error. If an error occurs + and error is not NULL, it will be set to an error message + (which must be free()'d by the caller). + +@end deftypefun + +@deftypefun {int} cfuconf_parse_buffer (char * @var{buffer}, cfuconf_t ** @var{conf}, char ** @var{error}) + + Same as cfuconf_parse_file(), except assume the contents of the + file are already in buffer. + +@end deftypefun + +@deftypefun {void} cfuconf_destroy (cfuconf_t * @var{conf}) + + Free all resources used by the cfuconf_t structure +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuconf_get_containers (cfuconf_t * @var{conf}) + + Get a hash of containers at the top level of conf +@end deftypefun + +@deftypefun {cfuhash_table_t *} cfuconf_get_directives (cfuconf_t * @var{conf}) + + Get a hash of directives at the to level +@end deftypefun + +@deftypefun {int} cfuconf_get_directive_one_arg (cfuconf_t * @var{conf}, char * @var{directive}, char ** @var{rvalue}) + + Get the value of the given directive, assuming there is only one argument +@end deftypefun + +@deftypefun {int} cfuconf_get_directive_two_args (cfuconf_t * @var{conf}, char * @var{directive}, char ** @var{rvalue}, char ** @var{rvalue2}) + + Get the value of the given directive, assuming there are two arguments +@end deftypefun + +@deftypefun {int} cfuconf_get_directive_n_args (cfuconf_t * @var{conf}, char * @var{directive}, size_t @var{n}, @var{...}) + + Get the value of the given directives, with n arguments +@end deftypefun + +@node Options, Thread queue, Conf, Top + +@chapter Options +@cindex options +@cindex command-line arguments +@cindex arguments + +Command-line arguments can be parsed with the following: + +@verbatim + cfuopt_t *opt = cfuopt_new(); + cfuopt_add_entry(opt, "verbose|v!", &verbose, "Verbosity", ""); + cfuopt_add_entry(opt, "file|f:s", &file, "File to load", "FILE"); + cfuopt_add_entry(opt, "count|c|n=i", &count, "Count to run", "COUNT"); + cfuopt_add_entry(opt, "scale|s:f", &scale, "Scaling factor", "SCALE"); + cfuopt_parse(opt, &argc, &argv, &error); + /* do stuff here with the options */ + cfuopt_destroy(opt); + free(file); +@end verbatim + +@deftypefun {cfuopt_t *}cfuopt_new () +Returns a new options context. +@end deftypefun + +@deftypefun void cfuopt_add_entry (cfuopt_t *@var{context}, const char *@var{opt_str}, void *@var{arg_data}, const char *@var{description}, const char *@var{arg_description}) +Adds to the list of known options. +@end deftypefun + +@deftypefun void cfuopt_parse (cfuopt_t *@var{context}, int *@var{argc}, char ***@var{argv}, char **@var{error}) +Parses the command line and modifies argc and argv to account for left over arguments. +@end deftypefun + +@deftypefun {char *}cfuopt_get_help_str (cfuopt_t *@var{context}) +Returns a help string built from the entries added with cfuopt_add_entry(). +@end deftypefun + +@deftypefun void cfuopt_destroy (cfuopt_t *@var{context}) +Frees up resources used by the option parser. +@end deftypefun + + +@node Thread queue, Timer, Options, Top +@chapter Thread queue +@cindex threading +@cindex thread queue + +cfuthread_queue provides a way to serialize requests for a resource +where you want the resource to be accessed from a single thread only. +For instance, for a database connection where making calls in separate +threads does not work properly, you can use cfuthread_queue. +cfuthread_queue_new() creates a new thread that waits for something to +be added to the queue. Once something is added, the thread will +process the data by calling the function you pass as an argument to +the cfuthread_queue_new() function. + +@deftypefun {cfuthread_queue_t *} cfuthread_queue_new (cfuthread_queue_fn_t @var{fn}) + + Creates a new thread queue structure that will run the given + function when a request is received. + +@end deftypefun + +@deftypefun {cfuthread_queue_t *} cfuthread_queue_new_with_cleanup (cfuthread_queue_fn_t @var{fn}, cfuthread_queue_init_t @var{init_fn}, void * @var{init_arg}, cfuthread_queue_cleanup_t @var{cleanup_fn}, void * @var{cleanup_arg}) + + Same as cfuthread_queue_new(), but with an initialization + function that gets called with the argument init_arg when the + thread is created, and a cleanup function that gets called with + the argument cleanup_arg when the thread exits, e.g., when + cfuthread_queue_destroy() is called. + +@end deftypefun + +@deftypefun {void *} cfuthread_queue_make_request (cfuthread_queue_t * @var{tq}, void * @var{data}) + + Add a request to the queue. data will get passed to the + function fn given to cfuthread_queue_new when it reaches the + front of the queue. + +@end deftypefun + +@deftypefun {void} cfuthread_queue_destroy (cfuthread_queue_t * @var{tq}) + + Free up resources used by the queue, in addition to canceling + the thread. + +@end deftypefun + + +@node Timer, License, Thread queue, Top +@chapter Timer +@cindex timer + +@deftypefun {cfutime_t} *cfutime_new (); + + Return a new cfutime structure. +@end deftypefun + +@deftypefun void cfutime_begin (cfutime_t *@var{time}) + + Start the timer. +@end deftypefun + +@deftypefun {void} cfutime_end (cfutime_t * @var{time}) + + Stop the timer. +@end deftypefun + +@deftypefun {double} cfutime_elapsed (cfutime_t * @var{time}) + + Return the number of seconds elapsed as a double. +@end deftypefun + +@deftypefun {void} cfutime_free (cfutime_t * @var{time}) + + Deallocate resources allocated for time. +@end deftypefun + +@node License, , Timer, Top +@unnumbered License +@cindex license + +Copyright @copyright{} 2005 Don Owens +All rights reserved. + +This code is released under the BSD license: + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +OF THE POSSIBILITY OF SUCH DAMAGE. + +@node Concept index, Function index, Top, Top +@unnumbered Concept index + +@printindex cp + +@node Function index, , Concept index, Top +@unnumbered Function index + +@printindex fn + +@contents + +@bye diff --git a/doc/mdate-sh b/doc/mdate-sh new file mode 100755 index 0000000..b610b47 --- /dev/null +++ b/doc/mdate-sh @@ -0,0 +1,133 @@ +#!/bin/sh +# Get modification time of a file or directory and pretty-print it. +# Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc. +# written by Ulrich Drepper , June 1995 +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Prevent date giving response in another language. +LANG=C +export LANG +LC_ALL=C +export LC_ALL +LC_TIME=C +export LC_TIME + +save_arg1="$1" + +# Find out how to get the extended ls output of a file or directory. +if ls -L /dev/null 1>/dev/null 2>&1; then + ls_command='ls -L -l -d' +else + ls_command='ls -l -d' +fi + +# A `ls -l' line looks as follows on OS/2. +# drwxrwx--- 0 Aug 11 2001 foo +# This differs from Unix, which adds ownership information. +# drwxrwx--- 2 root root 4096 Aug 11 2001 foo +# +# To find the date, we split the line on spaces and iterate on words +# until we find a month. This cannot work with files whose owner is a +# user named `Jan', or `Feb', etc. However, it's unlikely that `/' +# will be owned by a user whose name is a month. So we first look at +# the extended ls output of the root directory to decide how many +# words should be skipped to get the date. + +# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. +set - x`$ls_command /` + +# Find which argument is the month. +month= +command= +until test $month +do + shift + # Add another shift to the command. + command="$command shift;" + case $1 in + Jan) month=January; nummonth=1;; + Feb) month=February; nummonth=2;; + Mar) month=March; nummonth=3;; + Apr) month=April; nummonth=4;; + May) month=May; nummonth=5;; + Jun) month=June; nummonth=6;; + Jul) month=July; nummonth=7;; + Aug) month=August; nummonth=8;; + Sep) month=September; nummonth=9;; + Oct) month=October; nummonth=10;; + Nov) month=November; nummonth=11;; + Dec) month=December; nummonth=12;; + esac +done + +# Get the extended ls output of the file or directory. +set - x`eval "$ls_command \"\$save_arg1\""` + +# Remove all preceding arguments +eval $command + +# Get the month. Next argument is day, followed by the year or time. +case $1 in + Jan) month=January; nummonth=1;; + Feb) month=February; nummonth=2;; + Mar) month=March; nummonth=3;; + Apr) month=April; nummonth=4;; + May) month=May; nummonth=5;; + Jun) month=June; nummonth=6;; + Jul) month=July; nummonth=7;; + Aug) month=August; nummonth=8;; + Sep) month=September; nummonth=9;; + Oct) month=October; nummonth=10;; + Nov) month=November; nummonth=11;; + Dec) month=December; nummonth=12;; +esac + +day=$2 + +# Here we have to deal with the problem that the ls output gives either +# the time of day or the year. +case $3 in + *:*) set `date`; eval year=\$$# + case $2 in + Jan) nummonthtod=1;; + Feb) nummonthtod=2;; + Mar) nummonthtod=3;; + Apr) nummonthtod=4;; + May) nummonthtod=5;; + Jun) nummonthtod=6;; + Jul) nummonthtod=7;; + Aug) nummonthtod=8;; + Sep) nummonthtod=9;; + Oct) nummonthtod=10;; + Nov) nummonthtod=11;; + Dec) nummonthtod=12;; + esac + # For the first six month of the year the time notation can also + # be used for files modified in the last year. + if (expr $nummonth \> $nummonthtod) > /dev/null; + then + year=`expr $year - 1` + fi;; + *) year=$3;; +esac + +# The result. +echo $day $month $year diff --git a/doc/stamp-vti b/doc/stamp-vti new file mode 100644 index 0000000..1f9d1e4 --- /dev/null +++ b/doc/stamp-vti @@ -0,0 +1,4 @@ +@set UPDATED 4 September 2005 +@set UPDATED-MONTH September 2005 +@set EDITION 0.03 +@set VERSION 0.03 diff --git a/doc/texinfo.tex b/doc/texinfo.tex new file mode 100644 index 0000000..77b391f --- /dev/null +++ b/doc/texinfo.tex @@ -0,0 +1,6735 @@ +% texinfo.tex -- TeX macros to handle Texinfo files. +% +% Load plain if necessary, i.e., if running under initex. +\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi +% +\def\texinfoversion{2004-01-05.16} +% +% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, +% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software +% Foundation, Inc. +% +% This texinfo.tex file is free software; you can redistribute it and/or +% modify it under the terms of the GNU General Public License as +% published by the Free Software Foundation; either version 2, or (at +% your option) any later version. +% +% This texinfo.tex file is distributed in the hope that it will be +% useful, but WITHOUT ANY WARRANTY; without even the implied warranty +% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +% General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with this texinfo.tex file; see the file COPYING. If not, write +% to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +% Boston, MA 02111-1307, USA. +% +% As a special exception, when this file is read by TeX when processing +% a Texinfo source document, you may use the result without +% restriction. (This has been our intent since Texinfo was invented.) +% +% Please try the latest version of texinfo.tex before submitting bug +% reports; you can get the latest version from: +% http://www.gnu.org/software/texinfo/ (the Texinfo home page), or +% ftp://tug.org/tex/texinfo.tex +% (and all CTAN mirrors, see http://www.ctan.org). +% The texinfo.tex in any given distribution could well be out +% of date, so if that's what you're using, please check. +% +% Send bug reports to bug-texinfo@gnu.org. Please include including a +% complete document in each bug report with which we can reproduce the +% problem. Patches are, of course, greatly appreciated. +% +% To process a Texinfo manual with TeX, it's most reliable to use the +% texi2dvi shell script that comes with the distribution. For a simple +% manual foo.texi, however, you can get away with this: +% tex foo.texi +% texindex foo.?? +% tex foo.texi +% tex foo.texi +% dvips foo.dvi -o # or whatever; this makes foo.ps. +% The extra TeX runs get the cross-reference information correct. +% Sometimes one run after texindex suffices, and sometimes you need more +% than two; texi2dvi does it as many times as necessary. +% +% It is possible to adapt texinfo.tex for other languages, to some +% extent. You can get the existing language-specific files from the +% full Texinfo distribution. +% +% The GNU Texinfo home page is http://www.gnu.org/software/texinfo. + + +\message{Loading texinfo [version \texinfoversion]:} + +% If in a .fmt file, print the version number +% and turn on active characters that we couldn't do earlier because +% they might have appeared in the input file name. +\everyjob{\message{[Texinfo version \texinfoversion]}% + \catcode`+=\active \catcode`\_=\active} + +\message{Basics,} +\chardef\other=12 + +% We never want plain's \outer definition of \+ in Texinfo. +% For @tex, we can use \tabalign. +\let\+ = \relax + +% Save some plain tex macros whose names we will redefine. +\let\ptexb=\b +\let\ptexbullet=\bullet +\let\ptexc=\c +\let\ptexcomma=\, +\let\ptexdot=\. +\let\ptexdots=\dots +\let\ptexend=\end +\let\ptexequiv=\equiv +\let\ptexexclam=\! +\let\ptexfootnote=\footnote +\let\ptexgtr=> +\let\ptexhat=^ +\let\ptexi=\i +\let\ptexindent=\indent +\let\ptexnoindent=\noindent +\let\ptexinsert=\insert +\let\ptexlbrace=\{ +\let\ptexless=< +\let\ptexplus=+ +\let\ptexrbrace=\} +\let\ptexslash=\/ +\let\ptexstar=\* +\let\ptext=\t + +% If this character appears in an error message or help string, it +% starts a new line in the output. +\newlinechar = `^^J + +% Use TeX 3.0's \inputlineno to get the line number, for better error +% messages, but if we're using an old version of TeX, don't do anything. +% +\ifx\inputlineno\thisisundefined + \let\linenumber = \empty % Pre-3.0. +\else + \def\linenumber{l.\the\inputlineno:\space} +\fi + +% Set up fixed words for English if not already set. +\ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi +\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi +\ifx\putwordfile\undefined \gdef\putwordfile{file}\fi +\ifx\putwordin\undefined \gdef\putwordin{in}\fi +\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi +\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi +\ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi +\ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi +\ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi +\ifx\putwordNoTitle\undefined \gdef\putwordNoTitle{No Title}\fi +\ifx\putwordof\undefined \gdef\putwordof{of}\fi +\ifx\putwordon\undefined \gdef\putwordon{on}\fi +\ifx\putwordpage\undefined \gdef\putwordpage{page}\fi +\ifx\putwordsection\undefined \gdef\putwordsection{section}\fi +\ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi +\ifx\putwordsee\undefined \gdef\putwordsee{see}\fi +\ifx\putwordSee\undefined \gdef\putwordSee{See}\fi +\ifx\putwordShortTOC\undefined \gdef\putwordShortTOC{Short Contents}\fi +\ifx\putwordTOC\undefined \gdef\putwordTOC{Table of Contents}\fi +% +\ifx\putwordMJan\undefined \gdef\putwordMJan{January}\fi +\ifx\putwordMFeb\undefined \gdef\putwordMFeb{February}\fi +\ifx\putwordMMar\undefined \gdef\putwordMMar{March}\fi +\ifx\putwordMApr\undefined \gdef\putwordMApr{April}\fi +\ifx\putwordMMay\undefined \gdef\putwordMMay{May}\fi +\ifx\putwordMJun\undefined \gdef\putwordMJun{June}\fi +\ifx\putwordMJul\undefined \gdef\putwordMJul{July}\fi +\ifx\putwordMAug\undefined \gdef\putwordMAug{August}\fi +\ifx\putwordMSep\undefined \gdef\putwordMSep{September}\fi +\ifx\putwordMOct\undefined \gdef\putwordMOct{October}\fi +\ifx\putwordMNov\undefined \gdef\putwordMNov{November}\fi +\ifx\putwordMDec\undefined \gdef\putwordMDec{December}\fi +% +\ifx\putwordDefmac\undefined \gdef\putwordDefmac{Macro}\fi +\ifx\putwordDefspec\undefined \gdef\putwordDefspec{Special Form}\fi +\ifx\putwordDefvar\undefined \gdef\putwordDefvar{Variable}\fi +\ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi +\ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi + +% In some macros, we cannot use the `\? notation---the left quote is +% in some cases the escape char. +\chardef\colonChar = `\: +\chardef\commaChar = `\, +\chardef\dotChar = `\. +\chardef\exclamChar= `\! +\chardef\questChar = `\? +\chardef\semiChar = `\; +\chardef\underChar = `\_ + +\chardef\spaceChar = `\ % +\chardef\spacecat = 10 +\def\spaceisspace{\catcode\spaceChar=\spacecat} + +% Ignore a token. +% +\def\gobble#1{} + +% The following is used inside several \edef's. +\def\makecsname#1{\expandafter\noexpand\csname#1\endcsname} + +% Hyphenation fixes. +\hyphenation{ap-pen-dix} +\hyphenation{eshell} +\hyphenation{mini-buf-fer mini-buf-fers} +\hyphenation{time-stamp} +\hyphenation{white-space} + +% Margin to add to right of even pages, to left of odd pages. +\newdimen\bindingoffset +\newdimen\normaloffset +\newdimen\pagewidth \newdimen\pageheight + +% For a final copy, take out the rectangles +% that mark overfull boxes (in case you have decided +% that the text looks ok even though it passes the margin). +% +\def\finalout{\overfullrule=0pt} + +% @| inserts a changebar to the left of the current line. It should +% surround any changed text. This approach does *not* work if the +% change spans more than two lines of output. To handle that, we would +% have adopt a much more difficult approach (putting marks into the main +% vertical list for the beginning and end of each change). +% +\def\|{% + % \vadjust can only be used in horizontal mode. + \leavevmode + % + % Append this vertical mode material after the current line in the output. + \vadjust{% + % We want to insert a rule with the height and depth of the current + % leading; that is exactly what \strutbox is supposed to record. + \vskip-\baselineskip + % + % \vadjust-items are inserted at the left edge of the type. So + % the \llap here moves out into the left-hand margin. + \llap{% + % + % For a thicker or thinner bar, change the `1pt'. + \vrule height\baselineskip width1pt + % + % This is the space between the bar and the text. + \hskip 12pt + }% + }% +} + +% Sometimes it is convenient to have everything in the transcript file +% and nothing on the terminal. We don't just call \tracingall here, +% since that produces some useless output on the terminal. We also make +% some effort to order the tracing commands to reduce output in the log +% file; cf. trace.sty in LaTeX. +% +\def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}% +\def\loggingall{% + \tracingstats2 + \tracingpages1 + \tracinglostchars2 % 2 gives us more in etex + \tracingparagraphs1 + \tracingoutput1 + \tracingmacros2 + \tracingrestores1 + \showboxbreadth\maxdimen \showboxdepth\maxdimen + \ifx\eTeXversion\undefined\else % etex gives us more logging + \tracingscantokens1 + \tracingifs1 + \tracinggroups1 + \tracingnesting2 + \tracingassigns1 + \fi + \tracingcommands3 % 3 gives us more in etex + \errorcontextlines16 +}% + +% add check for \lastpenalty to plain's definitions. If the last thing +% we did was a \nobreak, we don't want to insert more space. +% +\def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount + \removelastskip\penalty-50\smallskip\fi\fi} +\def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount + \removelastskip\penalty-100\medskip\fi\fi} +\def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount + \removelastskip\penalty-200\bigskip\fi\fi} + +% For @cropmarks command. +% Do @cropmarks to get crop marks. +% +\newif\ifcropmarks +\let\cropmarks = \cropmarkstrue +% +% Dimensions to add cropmarks at corners. +% Added by P. A. MacKay, 12 Nov. 1986 +% +\newdimen\outerhsize \newdimen\outervsize % set by the paper size routines +\newdimen\cornerlong \cornerlong=1pc +\newdimen\cornerthick \cornerthick=.3pt +\newdimen\topandbottommargin \topandbottommargin=.75in + +% Main output routine. +\chardef\PAGE = 255 +\output = {\onepageout{\pagecontents\PAGE}} + +\newbox\headlinebox +\newbox\footlinebox + +% \onepageout takes a vbox as an argument. Note that \pagecontents +% does insertions, but you have to call it yourself. +\def\onepageout#1{% + \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi + % + \ifodd\pageno \advance\hoffset by \bindingoffset + \else \advance\hoffset by -\bindingoffset\fi + % + % Do this outside of the \shipout so @code etc. will be expanded in + % the headline as they should be, not taken literally (outputting ''code). + \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}% + \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}% + % + {% + % Have to do this stuff outside the \shipout because we want it to + % take effect in \write's, yet the group defined by the \vbox ends + % before the \shipout runs. + % + \escapechar = `\\ % use backslash in output files. + \indexdummies % don't expand commands in the output. + \normalturnoffactive % \ in index entries must not stay \, e.g., if + % the page break happens to be in the middle of an example. + \shipout\vbox{% + % Do this early so pdf references go to the beginning of the page. + \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi + % + \ifcropmarks \vbox to \outervsize\bgroup + \hsize = \outerhsize + \vskip-\topandbottommargin + \vtop to0pt{% + \line{\ewtop\hfil\ewtop}% + \nointerlineskip + \line{% + \vbox{\moveleft\cornerthick\nstop}% + \hfill + \vbox{\moveright\cornerthick\nstop}% + }% + \vss}% + \vskip\topandbottommargin + \line\bgroup + \hfil % center the page within the outer (page) hsize. + \ifodd\pageno\hskip\bindingoffset\fi + \vbox\bgroup + \fi + % + \unvbox\headlinebox + \pagebody{#1}% + \ifdim\ht\footlinebox > 0pt + % Only leave this space if the footline is nonempty. + % (We lessened \vsize for it in \oddfootingxxx.) + % The \baselineskip=24pt in plain's \makefootline has no effect. + \vskip 2\baselineskip + \unvbox\footlinebox + \fi + % + \ifcropmarks + \egroup % end of \vbox\bgroup + \hfil\egroup % end of (centering) \line\bgroup + \vskip\topandbottommargin plus1fill minus1fill + \boxmaxdepth = \cornerthick + \vbox to0pt{\vss + \line{% + \vbox{\moveleft\cornerthick\nsbot}% + \hfill + \vbox{\moveright\cornerthick\nsbot}% + }% + \nointerlineskip + \line{\ewbot\hfil\ewbot}% + }% + \egroup % \vbox from first cropmarks clause + \fi + }% end of \shipout\vbox + }% end of group with \normalturnoffactive + \advancepageno + \ifnum\outputpenalty>-20000 \else\dosupereject\fi +} + +\newinsert\margin \dimen\margin=\maxdimen + +\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}} +{\catcode`\@ =11 +\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi +% marginal hacks, juha@viisa.uucp (Juha Takala) +\ifvoid\margin\else % marginal info is present + \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi +\dimen@=\dp#1 \unvbox#1 +\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi +\ifr@ggedbottom \kern-\dimen@ \vfil \fi} +} + +% Here are the rules for the cropmarks. Note that they are +% offset so that the space between them is truly \outerhsize or \outervsize +% (P. A. MacKay, 12 November, 1986) +% +\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong} +\def\nstop{\vbox + {\hrule height\cornerthick depth\cornerlong width\cornerthick}} +\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong} +\def\nsbot{\vbox + {\hrule height\cornerlong depth\cornerthick width\cornerthick}} + +% Parse an argument, then pass it to #1. The argument is the rest of +% the input line (except we remove a trailing comment). #1 should be a +% macro which expects an ordinary undelimited TeX argument. +% +\def\parsearg{\parseargusing{}} +\def\parseargusing#1#2{% + \def\next{#2}% + \begingroup + \obeylines + \spaceisspace + #1% + \parseargline\empty% Insert the \empty token, see \finishparsearg below. +} + +{\obeylines % + \gdef\parseargline#1^^M{% + \endgroup % End of the group started in \parsearg. + \argremovecomment #1\comment\ArgTerm% + }% +} + +% First remove any @comment, then any @c comment. +\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm} +\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm} + +% Each occurence of `\^^M' or `\^^M' is replaced by a single space. +% +% \argremovec might leave us with trailing space, e.g., +% @end itemize @c foo +% This space token undergoes the same procedure and is eventually removed +% by \finishparsearg. +% +\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M} +\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M} +\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% + \def\temp{#3}% + \ifx\temp\empty + % We cannot use \next here, as it holds the macro to run; + % thus we reuse \temp. + \let\temp\finishparsearg + \else + \let\temp\argcheckspaces + \fi + % Put the space token in: + \temp#1 #3\ArgTerm +} + +% If a _delimited_ argument is enclosed in braces, they get stripped; so +% to get _exactly_ the rest of the line, we had to prevent such situation. +% We prepended an \empty token at the very beginning and we expand it now, +% just before passing the control to \next. +% (Similarily, we have to think about #3 of \argcheckspacesY above: it is +% either the null string, or it ends with \^^M---thus there is no danger +% that a pair of braces would be stripped. +% +% But first, we have to remove the trailing space token. +% +\def\finishparsearg#1 \ArgTerm{\expandafter\next\expandafter{#1}} + +% \parseargdef\foo{...} +% is roughly equivalent to +% \def\foo{\parsearg\Xfoo} +% \def\Xfoo#1{...} +% +% Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my +% favourite TeX trick. --kasal, 16nov03 + +\def\parseargdef#1{% + \expandafter \doparseargdef \csname\string#1\endcsname #1% +} +\def\doparseargdef#1#2{% + \def#2{\parsearg#1}% + \def#1##1% +} + +% Several utility definitions with active space: +{ + \obeyspaces + \gdef\obeyedspace{ } + + % Make each space character in the input produce a normal interword + % space in the output. Don't allow a line break at this space, as this + % is used only in environments like @example, where each line of input + % should produce a line of output anyway. + % + \gdef\sepspaces{\obeyspaces\let =\tie} + + % If an index command is used in an @example environment, any spaces + % therein should become regular spaces in the raw index file, not the + % expansion of \tie (\leavevmode \penalty \@M \ ). + \gdef\unsepspaces{\let =\space} +} + + +\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next} + +% Define the framework for environments in texinfo.tex. It's used like this: +% +% \envdef\foo{...} +% \def\Efoo{...} +% +% It's the responsibility of \envdef to insert \begingroup before the +% actual body; @end closes the group after calling \Efoo. \envdef also +% defines \thisenv, so the current environment is known; @end checks +% whether the environment name matches. The \checkenv macro can also be +% used to check whether the current environment is the one expected. +% +% Non-false conditionals (@iftex, @ifset) don't fit into this, so they +% are not treated as enviroments; they don't open a group. (The +% implementation of @end takes care not to call \endgroup in this +% special case.) + + +% At runtime, environments start with this: +\def\startenvironment#1{\begingroup\def\thisenv{#1}} +% initialize +\let\thisenv\empty + +% ... but they get defined via ``\envdef\foo{...}'': +\long\def\envdef#1#2{\def#1{\startenvironment#1#2}} +\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}} + +% Check whether we're in the right environment: +\def\checkenv#1{% + \def\temp{#1}% + \ifx\thisenv\temp + \else + \badenverr + \fi +} + +% Evironment mismatch, #1 expected: +\def\badenverr{% + \errhelp = \EMsimple + \errmessage{This command can appear only \inenvironment\temp, + not \inenvironment\thisenv}% +} +\def\inenvironment#1{% + \ifx#1\empty + out of any environment% + \else + in environment \expandafter\string#1% + \fi +} + +% @end foo executes the definition of \Efoo. +% But first, it executes a specialized version of \checkenv +% +\parseargdef\end{% + \if 1\csname iscond.#1\endcsname + \else + % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03 + \expandafter\checkenv\csname#1\endcsname + \csname E#1\endcsname + \endgroup + \fi +} + +\newhelp\EMsimple{Press RETURN to continue.} + + +%% Simple single-character @ commands + +% @@ prints an @ +% Kludge this until the fonts are right (grr). +\def\@{{\tt\char64}} + +% This is turned off because it was never documented +% and you can use @w{...} around a quote to suppress ligatures. +%% Define @` and @' to be the same as ` and ' +%% but suppressing ligatures. +%\def\`{{`}} +%\def\'{{'}} + +% Used to generate quoted braces. +\def\mylbrace {{\tt\char123}} +\def\myrbrace {{\tt\char125}} +\let\{=\mylbrace +\let\}=\myrbrace +\begingroup + % Definitions to produce \{ and \} commands for indices, + % and @{ and @} for the aux file. + \catcode`\{ = \other \catcode`\} = \other + \catcode`\[ = 1 \catcode`\] = 2 + \catcode`\! = 0 \catcode`\\ = \other + !gdef!lbracecmd[\{]% + !gdef!rbracecmd[\}]% + !gdef!lbraceatcmd[@{]% + !gdef!rbraceatcmd[@}]% +!endgroup + +% @comma{} to avoid , parsing problems. +\let\comma = , + +% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent +% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. +\let\, = \c +\let\dotaccent = \. +\def\ringaccent#1{{\accent23 #1}} +\let\tieaccent = \t +\let\ubaraccent = \b +\let\udotaccent = \d + +% Other special characters: @questiondown @exclamdown @ordf @ordm +% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. +\def\questiondown{?`} +\def\exclamdown{!`} +\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}} +\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}} + +% Dotless i and dotless j, used for accents. +\def\imacro{i} +\def\jmacro{j} +\def\dotless#1{% + \def\temp{#1}% + \ifx\temp\imacro \ptexi + \else\ifx\temp\jmacro \j + \else \errmessage{@dotless can be used only with i or j}% + \fi\fi +} + +% The \TeX{} logo, as in plain, but resetting the spacing so that a +% period following counts as ending a sentence. (Idea found in latex.) +% +\def\TeX{T\kern-.1667em\lower.5ex\hbox{E}\kern-.125emX\spacefactor=3000 } + +% @LaTeX{} logo. Not quite the same results as the definition in +% latex.ltx, since we use a different font for the raised A; it's most +% convenient for us to use an explicitly smaller font, rather than using +% the \scriptstyle font (since we don't reset \scriptstyle and +% \scriptscriptstyle). +% +\def\LaTeX{% + L\kern-.36em + {\setbox0=\hbox{T}% + \vbox to \ht0{\hbox{\selectfonts\lllsize A}\vss}}% + \kern-.15em + \TeX +} + +% Be sure we're in horizontal mode when doing a tie, since we make space +% equivalent to this in @example-like environments. Otherwise, a space +% at the beginning of a line will start with \penalty -- and +% since \penalty is valid in vertical mode, we'd end up putting the +% penalty on the vertical list instead of in the new paragraph. +{\catcode`@ = 11 + % Avoid using \@M directly, because that causes trouble + % if the definition is written into an index file. + \global\let\tiepenalty = \@M + \gdef\tie{\leavevmode\penalty\tiepenalty\ } +} + +% @: forces normal size whitespace following. +\def\:{\spacefactor=1000 } + +% @* forces a line break. +\def\*{\hfil\break\hbox{}\ignorespaces} + +% @/ allows a line break. +\let\/=\allowbreak + +% @. is an end-of-sentence period. +\def\.{.\spacefactor=3000 } + +% @! is an end-of-sentence bang. +\def\!{!\spacefactor=3000 } + +% @? is an end-of-sentence query. +\def\?{?\spacefactor=3000 } + +% @w prevents a word break. Without the \leavevmode, @w at the +% beginning of a paragraph, when TeX is still in vertical mode, would +% produce a whole line of output instead of starting the paragraph. +\def\w#1{\leavevmode\hbox{#1}} + +% @group ... @end group forces ... to be all on one page, by enclosing +% it in a TeX vbox. We use \vtop instead of \vbox to construct the box +% to keep its height that of a normal line. According to the rules for +% \topskip (p.114 of the TeXbook), the glue inserted is +% max (\topskip - \ht (first item), 0). If that height is large, +% therefore, no glue is inserted, and the space between the headline and +% the text is small, which looks bad. +% +% Another complication is that the group might be very large. This can +% cause the glue on the previous page to be unduly stretched, because it +% does not have much material. In this case, it's better to add an +% explicit \vfill so that the extra space is at the bottom. The +% threshold for doing this is if the group is more than \vfilllimit +% percent of a page (\vfilllimit can be changed inside of @tex). +% +\newbox\groupbox +\def\vfilllimit{0.7} +% +\envdef\group{% + \ifnum\catcode`\^^M=\active \else + \errhelp = \groupinvalidhelp + \errmessage{@group invalid in context where filling is enabled}% + \fi + \startsavinginserts + % + \setbox\groupbox = \vtop\bgroup + % Do @comment since we are called inside an environment such as + % @example, where each end-of-line in the input causes an + % end-of-line in the output. We don't want the end-of-line after + % the `@group' to put extra space in the output. Since @group + % should appear on a line by itself (according to the Texinfo + % manual), we don't worry about eating any user text. + \comment +} +% +% The \vtop produces a box with normal height and large depth; thus, TeX puts +% \baselineskip glue before it, and (when the next line of text is done) +% \lineskip glue after it. Thus, space below is not quite equal to space +% above. But it's pretty close. +\def\Egroup{% + % To get correct interline space between the last line of the group + % and the first line afterwards, we have to propagate \prevdepth. + \endgraf % Not \par, as it may have been set to \lisppar. + \global\dimen1 = \prevdepth + \egroup % End the \vtop. + % \dimen0 is the vertical size of the group's box. + \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox + % \dimen2 is how much space is left on the page (more or less). + \dimen2 = \pageheight \advance\dimen2 by -\pagetotal + % if the group doesn't fit on the current page, and it's a big big + % group, force a page break. + \ifdim \dimen0 > \dimen2 + \ifdim \pagetotal < \vfilllimit\pageheight + \page + \fi + \fi + \box\groupbox + \prevdepth = \dimen1 + \checkinserts +} +% +% TeX puts in an \escapechar (i.e., `@') at the beginning of the help +% message, so this ends up printing `@group can only ...'. +% +\newhelp\groupinvalidhelp{% +group can only be used in environments such as @example,^^J% +where each line of input produces a line of output.} + +% @need space-in-mils +% forces a page break if there is not space-in-mils remaining. + +\newdimen\mil \mil=0.001in + +% Old definition--didn't work. +%\parseargdef\need{\par % +%% This method tries to make TeX break the page naturally +%% if the depth of the box does not fit. +%{\baselineskip=0pt% +%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak +%\prevdepth=-1000pt +%}} + +\parseargdef\need{% + % Ensure vertical mode, so we don't make a big box in the middle of a + % paragraph. + \par + % + % If the @need value is less than one line space, it's useless. + \dimen0 = #1\mil + \dimen2 = \ht\strutbox + \advance\dimen2 by \dp\strutbox + \ifdim\dimen0 > \dimen2 + % + % Do a \strut just to make the height of this box be normal, so the + % normal leading is inserted relative to the preceding line. + % And a page break here is fine. + \vtop to #1\mil{\strut\vfil}% + % + % TeX does not even consider page breaks if a penalty added to the + % main vertical list is 10000 or more. But in order to see if the + % empty box we just added fits on the page, we must make it consider + % page breaks. On the other hand, we don't want to actually break the + % page after the empty box. So we use a penalty of 9999. + % + % There is an extremely small chance that TeX will actually break the + % page at this \penalty, if there are no other feasible breakpoints in + % sight. (If the user is using lots of big @group commands, which + % almost-but-not-quite fill up a page, TeX will have a hard time doing + % good page breaking, for example.) However, I could not construct an + % example where a page broke at this \penalty; if it happens in a real + % document, then we can reconsider our strategy. + \penalty9999 + % + % Back up by the size of the box, whether we did a page break or not. + \kern -#1\mil + % + % Do not allow a page break right after this kern. + \nobreak + \fi +} + +% @br forces paragraph break (and is undocumented). + +\let\br = \par + +% @page forces the start of a new page. +% +\def\page{\par\vfill\supereject} + +% @exdent text.... +% outputs text on separate line in roman font, starting at standard page margin + +% This records the amount of indent in the innermost environment. +% That's how much \exdent should take out. +\newskip\exdentamount + +% This defn is used inside fill environments such as @defun. +\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} + +% This defn is used inside nofill environments such as @example. +\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount + \leftline{\hskip\leftskip{\rm#1}}}} + +% @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current +% paragraph. For more general purposes, use the \margin insertion +% class. WHICH is `l' or `r'. +% +\newskip\inmarginspacing \inmarginspacing=1cm +\def\strutdepth{\dp\strutbox} +% +\def\doinmargin#1#2{\strut\vadjust{% + \nobreak + \kern-\strutdepth + \vtop to \strutdepth{% + \baselineskip=\strutdepth + \vss + % if you have multiple lines of stuff to put here, you'll need to + % make the vbox yourself of the appropriate size. + \ifx#1l% + \llap{\ignorespaces #2\hskip\inmarginspacing}% + \else + \rlap{\hskip\hsize \hskip\inmarginspacing \ignorespaces #2}% + \fi + \null + }% +}} +\def\inleftmargin{\doinmargin l} +\def\inrightmargin{\doinmargin r} +% +% @inmargin{TEXT [, RIGHT-TEXT]} +% (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right; +% else use TEXT for both). +% +\def\inmargin#1{\parseinmargin #1,,\finish} +\def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing. + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \def\lefttext{#1}% have both texts + \def\righttext{#2}% + \else + \def\lefttext{#1}% have only one text + \def\righttext{#1}% + \fi + % + \ifodd\pageno + \def\temp{\inrightmargin\righttext}% odd page -> outside is right margin + \else + \def\temp{\inleftmargin\lefttext}% + \fi + \temp +} + +% @include file insert text of that file as input. +% +\def\include{\parseargusing\filenamecatcodes\includezzz} +\def\includezzz#1{% + \pushthisfilestack + \def\thisfile{#1}% + {% + \makevalueexpandable + \def\temp{\input #1 }% + \expandafter + }\temp + \popthisfilestack +} +\def\filenamecatcodes{% + \catcode`\\=\other + \catcode`~=\other + \catcode`^=\other + \catcode`_=\other + \catcode`|=\other + \catcode`<=\other + \catcode`>=\other + \catcode`+=\other + \catcode`-=\other +} + +\def\pushthisfilestack{% + \expandafter\pushthisfilestackX\popthisfilestack\StackTerm +} +\def\pushthisfilestackX{% + \expandafter\pushthisfilestackY\thisfile\StackTerm +} +\def\pushthisfilestackY #1\StackTerm #2\StackTerm {% + \gdef\popthisfilestack{\gdef\thisfile{#1}\gdef\popthisfilestack{#2}}% +} + +\def\popthisfilestack{\errthisfilestackempty} +\def\errthisfilestackempty{\errmessage{Internal error: + the stack of filenames is empty.}} + +\def\thisfile{} + +% @center line +% outputs that line, centered. +% +\parseargdef\center{% + \ifhmode + \let\next\centerH + \else + \let\next\centerV + \fi + \next{\hfil \ignorespaces#1\unskip \hfil}% +} +\def\centerH#1{% + {% + \hfil\break + \advance\hsize by -\leftskip + \advance\hsize by -\rightskip + \line{#1}% + \break + }% +} +\def\centerV#1{\line{\kern\leftskip #1\kern\rightskip}} + +% @sp n outputs n lines of vertical space + +\parseargdef\sp{\vskip #1\baselineskip} + +% @comment ...line which is ignored... +% @c is the same as @comment +% @ignore ... @end ignore is another way to write a comment + +\def\comment{\begingroup \catcode`\^^M=\other% +\catcode`\@=\other \catcode`\{=\other \catcode`\}=\other% +\commentxxx} +{\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}} + +\let\c=\comment + +% @paragraphindent NCHARS +% We'll use ems for NCHARS, close enough. +% NCHARS can also be the word `asis' or `none'. +% We cannot feasibly implement @paragraphindent asis, though. +% +\def\asisword{asis} % no translation, these are keywords +\def\noneword{none} +% +\parseargdef\paragraphindent{% + \def\temp{#1}% + \ifx\temp\asisword + \else + \ifx\temp\noneword + \defaultparindent = 0pt + \else + \defaultparindent = #1em + \fi + \fi + \parindent = \defaultparindent +} + +% @exampleindent NCHARS +% We'll use ems for NCHARS like @paragraphindent. +% It seems @exampleindent asis isn't necessary, but +% I preserve it to make it similar to @paragraphindent. +\parseargdef\exampleindent{% + \def\temp{#1}% + \ifx\temp\asisword + \else + \ifx\temp\noneword + \lispnarrowing = 0pt + \else + \lispnarrowing = #1em + \fi + \fi +} + +% @firstparagraphindent WORD +% If WORD is `none', then suppress indentation of the first paragraph +% after a section heading. If WORD is `insert', then do indent at such +% paragraphs. +% +% The paragraph indentation is suppressed or not by calling +% \suppressfirstparagraphindent, which the sectioning commands do. +% We switch the definition of this back and forth according to WORD. +% By default, we suppress indentation. +% +\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} +\newdimen\currentparindent +% +\def\insertword{insert} +% +\parseargdef\firstparagraphindent{% + \def\temp{#1}% + \ifx\temp\noneword + \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent + \else\ifx\temp\insertword + \let\suppressfirstparagraphindent = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @firstparagraphindent option `\temp'}% + \fi\fi +} + +% Here is how we actually suppress indentation. Redefine \everypar to +% \kern backwards by \parindent, and then reset itself to empty. +% +% We also make \indent itself not actually do anything until the next +% paragraph. +% +\gdef\dosuppressfirstparagraphindent{% + \gdef\indent{% + \restorefirstparagraphindent + \indent + }% + \gdef\noindent{% + \restorefirstparagraphindent + \noindent + }% + \global\everypar = {% + \kern -\parindent + \restorefirstparagraphindent + }% +} + +\gdef\restorefirstparagraphindent{% + \global \let \indent = \ptexindent + \global \let \noindent = \ptexnoindent + \global \everypar = {}% +} + + +% @asis just yields its argument. Used with @table, for example. +% +\def\asis#1{#1} + +% @math outputs its argument in math mode. +% +% One complication: _ usually means subscripts, but it could also mean +% an actual _ character, as in @math{@var{some_variable} + 1}. So make +% _ active, and distinguish by seeing if the current family is \slfam, +% which is what @var uses. +{ + \catcode\underChar = \active + \gdef\mathunderscore{% + \catcode\underChar=\active + \def_{\ifnum\fam=\slfam \_\else\sb\fi}% + } +} +% Another complication: we want \\ (and @\) to output a \ character. +% FYI, plain.tex uses \\ as a temporary control sequence (why?), but +% this is not advertised and we don't care. Texinfo does not +% otherwise define @\. +% +% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. +\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} +% +\def\math{% + \tex + \mathunderscore + \let\\ = \mathbackslash + \mathactive + $\finishmath +} +\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex. + +% Some active characters (such as <) are spaced differently in math. +% We have to reset their definitions in case the @math was an argument +% to a command which sets the catcodes (such as @item or @section). +% +{ + \catcode`^ = \active + \catcode`< = \active + \catcode`> = \active + \catcode`+ = \active + \gdef\mathactive{% + \let^ = \ptexhat + \let< = \ptexless + \let> = \ptexgtr + \let+ = \ptexplus + } +} + +% @bullet and @minus need the same treatment as @math, just above. +\def\bullet{$\ptexbullet$} +\def\minus{$-$} + +% @dots{} outputs an ellipsis using the current font. +% We do .5em per period so that it has the same spacing in a typewriter +% font as three actual period characters. +% +\def\dots{% + \leavevmode + \hbox to 1.5em{% + \hskip 0pt plus 0.25fil + .\hfil.\hfil.% + \hskip 0pt plus 0.5fil + }% +} + +% @enddots{} is an end-of-sentence ellipsis. +% +\def\enddots{% + \dots + \spacefactor=3000 +} + +% @comma{} is so commas can be inserted into text without messing up +% Texinfo's parsing. +% +\let\comma = , + +% @refill is a no-op. +\let\refill=\relax + +% If working on a large document in chapters, it is convenient to +% be able to disable indexing, cross-referencing, and contents, for test runs. +% This is done with @novalidate (before @setfilename). +% +\newif\iflinks \linkstrue % by default we want the aux files. +\let\novalidate = \linksfalse + +% @setfilename is done at the beginning of every texinfo file. +% So open here the files we need to have open while reading the input. +% This makes it possible to make a .fmt file for texinfo. +\def\setfilename{% + \iflinks + \tryauxfile + % Open the new aux file. TeX will close it automatically at exit. + \immediate\openout\auxfile=\jobname.aux + \fi % \openindices needs to do some work in any case. + \openindices + \fixbackslash % Turn off hack to swallow `\input texinfo'. + \global\let\setfilename=\comment % Ignore extra @setfilename cmds. + % + % If texinfo.cnf is present on the system, read it. + % Useful for site-wide @afourpaper, etc. + \openin 1 texinfo.cnf + \ifeof 1 \else \input texinfo.cnf \fi + \closein 1 + % + \comment % Ignore the actual filename. +} + +% Called from \setfilename. +% +\def\openindices{% + \newindex{cp}% + \newcodeindex{fn}% + \newcodeindex{vr}% + \newcodeindex{tp}% + \newcodeindex{ky}% + \newcodeindex{pg}% +} + +% @bye. +\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend} + + +\message{pdf,} +% adobe `portable' document format +\newcount\tempnum +\newcount\lnkcount +\newtoks\filename +\newcount\filenamelength +\newcount\pgn +\newtoks\toksA +\newtoks\toksB +\newtoks\toksC +\newtoks\toksD +\newbox\boxA +\newcount\countA +\newif\ifpdf +\newif\ifpdfmakepagedest + +\ifx\pdfoutput\undefined + \pdffalse + \let\pdfmkdest = \gobble + \let\pdfurl = \gobble + \let\endlink = \relax + \let\linkcolor = \relax + \let\pdfmakeoutlines = \relax +\else + \pdftrue + \pdfoutput = 1 + \input pdfcolor + \pdfcatalog{/PageMode /UseOutlines}% + \def\dopdfimage#1#2#3{% + \def\imagewidth{#2}% + \def\imageheight{#3}% + % without \immediate, pdftex seg faults when the same image is + % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) + \ifnum\pdftexversion < 14 + \immediate\pdfimage + \else + \immediate\pdfximage + \fi + \ifx\empty\imagewidth\else width \imagewidth \fi + \ifx\empty\imageheight\else height \imageheight \fi + \ifnum\pdftexversion<13 + #1.pdf% + \else + {#1.pdf}% + \fi + \ifnum\pdftexversion < 14 \else + \pdfrefximage \pdflastximage + \fi} + \def\pdfmkdest#1{{% + % We have to set dummies so commands such as @code in a section title + % aren't expanded. + \atdummies + \normalturnoffactive + \pdfdest name{#1} xyz% + }} + \def\pdfmkpgn#1{#1} + \let\linkcolor = \Blue % was Cyan, but that seems light? + \def\endlink{\Black\pdfendlink} + % Adding outlines to PDF; macros for calculating structure of outlines + % come from Petr Olsak + \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% + \else \csname#1\endcsname \fi} + \def\advancenumber#1{\tempnum=\expnumber{#1}\relax + \advance\tempnum by 1 + \expandafter\xdef\csname#1\endcsname{\the\tempnum}} + % + % #1 is the section text. #2 is the pdf expression for the number + % of subentries (or empty, for subsubsections). #3 is the node + % text, which might be empty if this toc entry had no + % corresponding node. #4 is the page number. + % + \def\dopdfoutline#1#2#3#4{% + % Generate a link to the node text if that exists; else, use the + % page number. We could generate a destination for the section + % text in the case where a section has no node, but it doesn't + % seem worthwhile, since most documents are normally structured. + \def\pdfoutlinedest{#3}% + \ifx\pdfoutlinedest\empty \def\pdfoutlinedest{#4}\fi + % + \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{#1}% + } + % + \def\pdfmakeoutlines{% + \begingroup + % Thanh's hack / proper braces in bookmarks + \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace + \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace + % + % Read toc silently, to get counts of subentries for \pdfoutline. + \def\numchapentry##1##2##3##4{% + \def\thischapnum{##2}% + \let\thissecnum\empty + \let\thissubsecnum\empty + }% + \def\numsecentry##1##2##3##4{% + \advancenumber{chap\thischapnum}% + \def\thissecnum{##2}% + \let\thissubsecnum\empty + }% + \def\numsubsecentry##1##2##3##4{% + \advancenumber{sec\thissecnum}% + \def\thissubsecnum{##2}% + }% + \def\numsubsubsecentry##1##2##3##4{% + \advancenumber{subsec\thissubsecnum}% + }% + \let\thischapnum\empty + \let\thissecnum\empty + \let\thissubsecnum\empty + % + % use \def rather than \let here because we redefine \chapentry et + % al. a second time, below. + \def\appentry{\numchapentry}% + \def\appsecentry{\numsecentry}% + \def\appsubsecentry{\numsubsecentry}% + \def\appsubsubsecentry{\numsubsubsecentry}% + \def\unnchapentry{\numchapentry}% + \def\unnsecentry{\numsecentry}% + \def\unnsubsecentry{\numsubsecentry}% + \def\unnsubsubsecentry{\numsubsubsecentry}% + \input \jobname.toc + % + % Read toc second time, this time actually producing the outlines. + % The `-' means take the \expnumber as the absolute number of + % subentries, which we calculated on our first read of the .toc above. + % + % We use the node names as the destinations. + \def\numchapentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}% + \def\numsecentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{sec##2}}{##3}{##4}}% + \def\numsubsecentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{subsec##2}}{##3}{##4}}% + \def\numsubsubsecentry##1##2##3##4{% count is always zero + \dopdfoutline{##1}{}{##3}{##4}}% + % + % Make special characters normal for writing to the pdf file. + \indexnofonts + \turnoffactive + \input \jobname.toc + \endgroup + } + % + \def\makelinks #1,{% + \def\params{#1}\def\E{END}% + \ifx\params\E + \let\nextmakelinks=\relax + \else + \let\nextmakelinks=\makelinks + \ifnum\lnkcount>0,\fi + \picknum{#1}% + \startlink attr{/Border [0 0 0]} + goto name{\pdfmkpgn{\the\pgn}}% + \linkcolor #1% + \advance\lnkcount by 1% + \endlink + \fi + \nextmakelinks + } + \def\picknum#1{\expandafter\pn#1} + \def\pn#1{% + \def\p{#1}% + \ifx\p\lbrace + \let\nextpn=\ppn + \else + \let\nextpn=\ppnn + \def\first{#1} + \fi + \nextpn + } + \def\ppn#1{\pgn=#1\gobble} + \def\ppnn{\pgn=\first} + \def\pdfmklnk#1{\lnkcount=0\makelinks #1,END,} + \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} + \def\skipspaces#1{\def\PP{#1}\def\D{|}% + \ifx\PP\D\let\nextsp\relax + \else\let\nextsp\skipspaces + \ifx\p\space\else\addtokens{\filename}{\PP}% + \advance\filenamelength by 1 + \fi + \fi + \nextsp} + \def\getfilename#1{\filenamelength=0\expandafter\skipspaces#1|\relax} + \ifnum\pdftexversion < 14 + \let \startlink \pdfannotlink + \else + \let \startlink \pdfstartlink + \fi + \def\pdfurl#1{% + \begingroup + \normalturnoffactive\def\@{@}% + \makevalueexpandable + \leavevmode\Red + \startlink attr{/Border [0 0 0]}% + user{/Subtype /Link /A << /S /URI /URI (#1) >>}% + % #1 + \endgroup} + \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} + \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} + \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} + \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} + \def\maketoks{% + \expandafter\poptoks\the\toksA|ENDTOKS| + \ifx\first0\adn0 + \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 + \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 + \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 + \else + \ifnum0=\countA\else\makelink\fi + \ifx\first.\let\next=\done\else + \let\next=\maketoks + \addtokens{\toksB}{\the\toksD} + \ifx\first,\addtokens{\toksB}{\space}\fi + \fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \next} + \def\makelink{\addtokens{\toksB}% + {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} + \def\pdflink#1{% + \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}} + \linkcolor #1\endlink} + \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} +\fi % \ifx\pdfoutput + + +\message{fonts,} + +% Change the current font style to #1, remembering it in \curfontstyle. +% For now, we do not accumulate font styles: @b{@i{foo}} prints foo in +% italics, not bold italics. +% +\def\setfontstyle#1{% + \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd. + \csname ten#1\endcsname % change the current font +} + +% Select #1 fonts with the current style. +% +\def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname} + +\def\rm{\fam=0 \setfontstyle{rm}} +\def\it{\fam=\itfam \setfontstyle{it}} +\def\sl{\fam=\slfam \setfontstyle{sl}} +\def\bf{\fam=\bffam \setfontstyle{bf}} +\def\tt{\fam=\ttfam \setfontstyle{tt}} + +% Texinfo sort of supports the sans serif font style, which plain TeX does not. +% So we set up a \sf. +\newfam\sffam +\def\sf{\fam=\sffam \setfontstyle{sf}} +\let\li = \sf % Sometimes we call it \li, not \sf. + +% We don't need math for this font style. +\def\ttsl{\setfontstyle{ttsl}} + +% Default leading. +\newdimen\textleading \textleading = 13.2pt + +% Set the baselineskip to #1, and the lineskip and strut size +% correspondingly. There is no deep meaning behind these magic numbers +% used as factors; they just match (closely enough) what Knuth defined. +% +\def\lineskipfactor{.08333} +\def\strutheightpercent{.70833} +\def\strutdepthpercent {.29167} +% +\def\setleading#1{% + \normalbaselineskip = #1\relax + \normallineskip = \lineskipfactor\normalbaselineskip + \normalbaselines + \setbox\strutbox =\hbox{% + \vrule width0pt height\strutheightpercent\baselineskip + depth \strutdepthpercent \baselineskip + }% +} + +% Set the font macro #1 to the font named #2, adding on the +% specified font prefix (normally `cm'). +% #3 is the font's design size, #4 is a scale factor +\def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4} + +% Use cm as the default font prefix. +% To specify the font prefix, you must define \fontprefix +% before you read in texinfo.tex. +\ifx\fontprefix\undefined +\def\fontprefix{cm} +\fi +% Support font families that don't use the same naming scheme as CM. +\def\rmshape{r} +\def\rmbshape{bx} %where the normal face is bold +\def\bfshape{b} +\def\bxshape{bx} +\def\ttshape{tt} +\def\ttbshape{tt} +\def\ttslshape{sltt} +\def\itshape{ti} +\def\itbshape{bxti} +\def\slshape{sl} +\def\slbshape{bxsl} +\def\sfshape{ss} +\def\sfbshape{ss} +\def\scshape{csc} +\def\scbshape{csc} + +% Text fonts (11.2pt, magstep1). +\newcount\mainmagstep +\ifx\bigger\relax + % not really supported. + \mainmagstep=\magstep1 + \setfont\textrm\rmshape{12}{1000} + \setfont\texttt\ttshape{12}{1000} +\else + \mainmagstep=\magstephalf + \setfont\textrm\rmshape{10}{\mainmagstep} + \setfont\texttt\ttshape{10}{\mainmagstep} +\fi +\setfont\textbf\bfshape{10}{\mainmagstep} +\setfont\textit\itshape{10}{\mainmagstep} +\setfont\textsl\slshape{10}{\mainmagstep} +\setfont\textsf\sfshape{10}{\mainmagstep} +\setfont\textsc\scshape{10}{\mainmagstep} +\setfont\textttsl\ttslshape{10}{\mainmagstep} +\font\texti=cmmi10 scaled \mainmagstep +\font\textsy=cmsy10 scaled \mainmagstep + +% A few fonts for @defun names and args. +\setfont\defbf\bfshape{10}{\magstep1} +\setfont\deftt\ttshape{10}{\magstep1} +\setfont\defttsl\ttslshape{10}{\magstep1} +\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} + +% Fonts for indices, footnotes, small examples (9pt). +\setfont\smallrm\rmshape{9}{1000} +\setfont\smalltt\ttshape{9}{1000} +\setfont\smallbf\bfshape{10}{900} +\setfont\smallit\itshape{9}{1000} +\setfont\smallsl\slshape{9}{1000} +\setfont\smallsf\sfshape{9}{1000} +\setfont\smallsc\scshape{10}{900} +\setfont\smallttsl\ttslshape{10}{900} +\font\smalli=cmmi9 +\font\smallsy=cmsy9 + +% Fonts for small examples (8pt). +\setfont\smallerrm\rmshape{8}{1000} +\setfont\smallertt\ttshape{8}{1000} +\setfont\smallerbf\bfshape{10}{800} +\setfont\smallerit\itshape{8}{1000} +\setfont\smallersl\slshape{8}{1000} +\setfont\smallersf\sfshape{8}{1000} +\setfont\smallersc\scshape{10}{800} +\setfont\smallerttsl\ttslshape{10}{800} +\font\smalleri=cmmi8 +\font\smallersy=cmsy8 + +% Fonts for title page (20.4pt): +\setfont\titlerm\rmbshape{12}{\magstep3} +\setfont\titleit\itbshape{10}{\magstep4} +\setfont\titlesl\slbshape{10}{\magstep4} +\setfont\titlett\ttbshape{12}{\magstep3} +\setfont\titlettsl\ttslshape{10}{\magstep4} +\setfont\titlesf\sfbshape{17}{\magstep1} +\let\titlebf=\titlerm +\setfont\titlesc\scbshape{10}{\magstep4} +\font\titlei=cmmi12 scaled \magstep3 +\font\titlesy=cmsy10 scaled \magstep4 +\def\authorrm{\secrm} +\def\authortt{\sectt} + +% Chapter (and unnumbered) fonts (17.28pt). +\setfont\chaprm\rmbshape{12}{\magstep2} +\setfont\chapit\itbshape{10}{\magstep3} +\setfont\chapsl\slbshape{10}{\magstep3} +\setfont\chaptt\ttbshape{12}{\magstep2} +\setfont\chapttsl\ttslshape{10}{\magstep3} +\setfont\chapsf\sfbshape{17}{1000} +\let\chapbf=\chaprm +\setfont\chapsc\scbshape{10}{\magstep3} +\font\chapi=cmmi12 scaled \magstep2 +\font\chapsy=cmsy10 scaled \magstep3 + +% Section fonts (14.4pt). +\setfont\secrm\rmbshape{12}{\magstep1} +\setfont\secit\itbshape{10}{\magstep2} +\setfont\secsl\slbshape{10}{\magstep2} +\setfont\sectt\ttbshape{12}{\magstep1} +\setfont\secttsl\ttslshape{10}{\magstep2} +\setfont\secsf\sfbshape{12}{\magstep1} +\let\secbf\secrm +\setfont\secsc\scbshape{10}{\magstep2} +\font\seci=cmmi12 scaled \magstep1 +\font\secsy=cmsy10 scaled \magstep2 + +% Subsection fonts (13.15pt). +\setfont\ssecrm\rmbshape{12}{\magstephalf} +\setfont\ssecit\itbshape{10}{1315} +\setfont\ssecsl\slbshape{10}{1315} +\setfont\ssectt\ttbshape{12}{\magstephalf} +\setfont\ssecttsl\ttslshape{10}{1315} +\setfont\ssecsf\sfbshape{12}{\magstephalf} +\let\ssecbf\ssecrm +\setfont\ssecsc\scbshape{10}{1315} +\font\sseci=cmmi12 scaled \magstephalf +\font\ssecsy=cmsy10 scaled 1315 + +% Reduced fonts for @acro in text (10pt). +\setfont\reducedrm\rmshape{10}{1000} +\setfont\reducedtt\ttshape{10}{1000} +\setfont\reducedbf\bfshape{10}{1000} +\setfont\reducedit\itshape{10}{1000} +\setfont\reducedsl\slshape{10}{1000} +\setfont\reducedsf\sfshape{10}{1000} +\setfont\reducedsc\scshape{10}{1000} +\setfont\reducedttsl\ttslshape{10}{1000} +\font\reducedi=cmmi10 +\font\reducedsy=cmsy10 + +% In order for the font changes to affect most math symbols and letters, +% we have to define the \textfont of the standard families. Since +% texinfo doesn't allow for producing subscripts and superscripts except +% in the main text, we don't bother to reset \scriptfont and +% \scriptscriptfont (which would also require loading a lot more fonts). +% +\def\resetmathfonts{% + \textfont0=\tenrm \textfont1=\teni \textfont2=\tensy + \textfont\itfam=\tenit \textfont\slfam=\tensl \textfont\bffam=\tenbf + \textfont\ttfam=\tentt \textfont\sffam=\tensf +} + +% The font-changing commands redefine the meanings of \tenSTYLE, instead +% of just \STYLE. We do this because \STYLE needs to also set the +% current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire +% \tenSTYLE to set the current font. +% +% Each font-changing command also sets the names \lsize (one size lower) +% and \lllsize (three sizes lower). These relative commands are used in +% the LaTeX logo and acronyms. +% +% This all needs generalizing, badly. +% +\def\textfonts{% + \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl + \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc + \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy + \let\tenttsl=\textttsl + \def\lsize{reduced}\def\lllsize{smaller}% + \resetmathfonts \setleading{\textleading}} +\def\titlefonts{% + \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl + \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc + \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy + \let\tenttsl=\titlettsl + \def\lsize{chap}\def\lllsize{subsec}% + \resetmathfonts \setleading{25pt}} +\def\titlefont#1{{\titlefonts\rm #1}} +\def\chapfonts{% + \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl + \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc + \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl + \def\lsize{sec}\def\lllsize{text}% + \resetmathfonts \setleading{19pt}} +\def\secfonts{% + \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl + \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc + \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy + \let\tenttsl=\secttsl + \def\lsize{subsec}\def\lllsize{reduced}% + \resetmathfonts \setleading{16pt}} +\def\subsecfonts{% + \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl + \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc + \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy + \let\tenttsl=\ssecttsl + \def\lsize{text}\def\lllsize{small}% + \resetmathfonts \setleading{15pt}} +\let\subsubsecfonts = \subsecfonts +\def\reducedfonts{% + \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl + \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc + \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy + \let\tenttsl=\reducedttsl + \def\lsize{small}\def\lllsize{smaller}% + \resetmathfonts \setleading{10.5pt}} +\def\smallfonts{% + \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl + \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc + \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy + \let\tenttsl=\smallttsl + \def\lsize{smaller}\def\lllsize{smaller}% + \resetmathfonts \setleading{10.5pt}} +\def\smallerfonts{% + \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl + \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc + \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy + \let\tenttsl=\smallerttsl + \def\lsize{smaller}\def\lllsize{smaller}% + \resetmathfonts \setleading{9.5pt}} + +% Set the fonts to use with the @small... environments. +\let\smallexamplefonts = \smallfonts + +% About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample +% can fit this many characters: +% 8.5x11=86 smallbook=72 a4=90 a5=69 +% If we use \scriptfonts (8pt), then we can fit this many characters: +% 8.5x11=90+ smallbook=80 a4=90+ a5=77 +% For me, subjectively, the few extra characters that fit aren't worth +% the additional smallness of 8pt. So I'm making the default 9pt. +% +% By the way, for comparison, here's what fits with @example (10pt): +% 8.5x11=71 smallbook=60 a4=75 a5=58 +% +% I wish the USA used A4 paper. +% --karl, 24jan03. + + +% Set up the default fonts, so we can use them for creating boxes. +% +\textfonts \rm + +% Define these so they can be easily changed for other fonts. +\def\angleleft{$\langle$} +\def\angleright{$\rangle$} + +% Count depth in font-changes, for error checks +\newcount\fontdepth \fontdepth=0 + +% Fonts for short table of contents. +\setfont\shortcontrm\rmshape{12}{1000} +\setfont\shortcontbf\bfshape{10}{\magstep1} % no cmb12 +\setfont\shortcontsl\slshape{12}{1000} +\setfont\shortconttt\ttshape{12}{1000} + +%% Add scribe-like font environments, plus @l for inline lisp (usually sans +%% serif) and @ii for TeX italic + +% \smartitalic{ARG} outputs arg in italics, followed by an italic correction +% unless the following character is such as not to need one. +\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else + \ptexslash\fi\fi\fi} +\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx} +\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx} + +% like \smartslanted except unconditionally uses \ttsl. +% @var is set to this for defun arguments. +\def\ttslanted#1{{\ttsl #1}\futurelet\next\smartitalicx} + +% like \smartslanted except unconditionally use \sl. We never want +% ttsl for book titles, do we? +\def\cite#1{{\sl #1}\futurelet\next\smartitalicx} + +\let\i=\smartitalic +\let\var=\smartslanted +\let\dfn=\smartslanted +\let\emph=\smartitalic + +\def\b#1{{\bf #1}} +\let\strong=\b + +% We can't just use \exhyphenpenalty, because that only has effect at +% the end of a paragraph. Restore normal hyphenation at the end of the +% group within which \nohyphenation is presumably called. +% +\def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation} +\def\restorehyphenation{\hyphenchar\font = `- } + +% Set sfcode to normal for the chars that usually have another value. +% Can't use plain's \frenchspacing because it uses the `\x notation, and +% sometimes \x has an active definition that messes things up. +% +\catcode`@=11 + \def\frenchspacing{% + \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m + \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m + } +\catcode`@=\other + +\def\t#1{% + {\tt \rawbackslash \frenchspacing #1}% + \null +} +\def\samp#1{`\tclose{#1}'\null} +\setfont\keyrm\rmshape{8}{1000} +\font\keysy=cmsy9 +\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% + \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% + \vbox{\hrule\kern-0.4pt + \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% + \kern-0.4pt\hrule}% + \kern-.06em\raise0.4pt\hbox{\angleright}}}} +% The old definition, with no lozenge: +%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null} +\def\ctrl #1{{\tt \rawbackslash \hat}#1} + +% @file, @option are the same as @samp. +\let\file=\samp +\let\option=\samp + +% @code is a modification of @t, +% which makes spaces the same size as normal in the surrounding text. +\def\tclose#1{% + {% + % Change normal interword space to be same as for the current font. + \spaceskip = \fontdimen2\font + % + % Switch to typewriter. + \tt + % + % But `\ ' produces the large typewriter interword space. + \def\ {{\spaceskip = 0pt{} }}% + % + % Turn off hyphenation. + \nohyphenation + % + \rawbackslash + \frenchspacing + #1% + }% + \null +} + +% We *must* turn on hyphenation at `-' and `_' in @code. +% Otherwise, it is too hard to avoid overfull hboxes +% in the Emacs manual, the Library manual, etc. + +% Unfortunately, TeX uses one parameter (\hyphenchar) to control +% both hyphenation at - and hyphenation within words. +% We must therefore turn them both off (\tclose does that) +% and arrange explicitly to hyphenate at a dash. +% -- rms. +{ + \catcode`\-=\active + \catcode`\_=\active + % + \global\def\code{\begingroup + \catcode`\-=\active \let-\codedash + \catcode`\_=\active \let_\codeunder + \codex + } +} + +\def\realdash{-} +\def\codedash{-\discretionary{}{}{}} +\def\codeunder{% + % this is all so @math{@code{var_name}+1} can work. In math mode, _ + % is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.) + % will therefore expand the active definition of _, which is us + % (inside @code that is), therefore an endless loop. + \ifusingtt{\ifmmode + \mathchar"075F % class 0=ordinary, family 7=ttfam, pos 0x5F=_. + \else\normalunderscore \fi + \discretionary{}{}{}}% + {\_}% +} +\def\codex #1{\tclose{#1}\endgroup} + +% @kbd is like @code, except that if the argument is just one @key command, +% then @kbd has no effect. + +% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), +% `example' (@kbd uses ttsl only inside of @example and friends), +% or `code' (@kbd uses normal tty font always). +\parseargdef\kbdinputstyle{% + \def\arg{#1}% + \ifx\arg\worddistinct + \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}% + \else\ifx\arg\wordexample + \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% + \else\ifx\arg\wordcode + \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% + \else + \errhelp = \EMsimple + \errmessage{Unknown @kbdinputstyle option `\arg'}% + \fi\fi\fi +} +\def\worddistinct{distinct} +\def\wordexample{example} +\def\wordcode{code} + +% Default is `distinct.' +\kbdinputstyle distinct + +\def\xkey{\key} +\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% +\ifx\one\xkey\ifx\threex\three \key{#2}% +\else{\tclose{\kbdfont\look}}\fi +\else{\tclose{\kbdfont\look}}\fi} + +% For @url, @env, @command quotes seem unnecessary, so use \code. +\let\url=\code +\let\env=\code +\let\command=\code + +% @uref (abbreviation for `urlref') takes an optional (comma-separated) +% second argument specifying the text to display and an optional third +% arg as text to display instead of (rather than in addition to) the url +% itself. First (mandatory) arg is the url. Perhaps eventually put in +% a hypertex \special here. +% +\def\uref#1{\douref #1,,,\finish} +\def\douref#1,#2,#3,#4\finish{\begingroup + \unsepspaces + \pdfurl{#1}% + \setbox0 = \hbox{\ignorespaces #3}% + \ifdim\wd0 > 0pt + \unhbox0 % third arg given, show only that + \else + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \ifpdf + \unhbox0 % PDF: 2nd arg given, show only it + \else + \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url + \fi + \else + \code{#1}% only url given, so show it + \fi + \fi + \endlink +\endgroup} + +% rms does not like angle brackets --karl, 17may97. +% So now @email is just like @uref, unless we are pdf. +% +%\def\email#1{\angleleft{\tt #1}\angleright} +\ifpdf + \def\email#1{\doemail#1,,\finish} + \def\doemail#1,#2,#3\finish{\begingroup + \unsepspaces + \pdfurl{mailto:#1}% + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi + \endlink + \endgroup} +\else + \let\email=\uref +\fi + +% Check if we are currently using a typewriter font. Since all the +% Computer Modern typewriter fonts have zero interword stretch (and +% shrink), and it is reasonable to expect all typewriter fonts to have +% this property, we can check that font parameter. +% +\def\ifmonospace{\ifdim\fontdimen3\font=0pt } + +% Typeset a dimension, e.g., `in' or `pt'. The only reason for the +% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt. +% +\def\dmn#1{\thinspace #1} + +\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par} + +% @l was never documented to mean ``switch to the Lisp font'', +% and it is not used as such in any manual I can find. We need it for +% Polish suppressed-l. --karl, 22sep96. +%\def\l#1{{\li #1}\null} + +% Explicit font changes: @r, @sc, undocumented @ii. +\def\r#1{{\rm #1}} % roman font +\def\sc#1{{\smallcaps#1}} % smallcaps font +\def\ii#1{{\it #1}} % italic font + +\def\acronym#1{\doacronym #1,,\finish} +\def\doacronym#1,#2,#3\finish{% + {\selectfonts\lsize #1}% + \def\temp{#2}% + \ifx\temp\empty \else + \space ({\unsepspaces \ignorespaces \temp \unskip})% + \fi +} + +% @pounds{} is a sterling sign, which is in the CM italic font. +% +\def\pounds{{\it\$}} + +% @registeredsymbol - R in a circle. The font for the R should really +% be smaller yet, but lllsize is the best we can do for now. +% Adapted from the plain.tex definition of \copyright. +% +\def\registeredsymbol{% + $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}% + \hfil\crcr\Orb}}% + }$% +} + + +\message{page headings,} + +\newskip\titlepagetopglue \titlepagetopglue = 1.5in +\newskip\titlepagebottomglue \titlepagebottomglue = 2pc + +% First the title page. Must do @settitle before @titlepage. +\newif\ifseenauthor +\newif\iffinishedtitlepage + +% Do an implicit @contents or @shortcontents after @end titlepage if the +% user says @setcontentsaftertitlepage or @setshortcontentsaftertitlepage. +% +\newif\ifsetcontentsaftertitlepage + \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue +\newif\ifsetshortcontentsaftertitlepage + \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue + +\parseargdef\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}% + \endgroup\page\hbox{}\page} + +\envdef\titlepage{% + % Open one extra group, as we want to close it in the middle of \Etitlepage. + \begingroup + \parindent=0pt \textfonts + % Leave some space at the very top of the page. + \vglue\titlepagetopglue + % No rule at page bottom unless we print one at the top with @title. + \finishedtitlepagetrue + % + % Most title ``pages'' are actually two pages long, with space + % at the top of the second. We don't want the ragged left on the second. + \let\oldpage = \page + \def\page{% + \iffinishedtitlepage\else + \finishtitlepage + \fi + \let\page = \oldpage + \page + \null + }% +} + +\def\Etitlepage{% + \iffinishedtitlepage\else + \finishtitlepage + \fi + % It is important to do the page break before ending the group, + % because the headline and footline are only empty inside the group. + % If we use the new definition of \page, we always get a blank page + % after the title page, which we certainly don't want. + \oldpage + \endgroup + % + % Need this before the \...aftertitlepage checks so that if they are + % in effect the toc pages will come out with page numbers. + \HEADINGSon + % + % If they want short, they certainly want long too. + \ifsetshortcontentsaftertitlepage + \shortcontents + \contents + \global\let\shortcontents = \relax + \global\let\contents = \relax + \fi + % + \ifsetcontentsaftertitlepage + \contents + \global\let\contents = \relax + \global\let\shortcontents = \relax + \fi +} + +\def\finishtitlepage{% + \vskip4pt \hrule height 2pt width \hsize + \vskip\titlepagebottomglue + \finishedtitlepagetrue +} + +%%% Macros to be used within @titlepage: + +\let\subtitlerm=\tenrm +\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines} + +\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines + \let\tt=\authortt} + +\parseargdef\title{% + \checkenv\titlepage + \leftline{\titlefonts\rm #1} + % print a rule at the page bottom also. + \finishedtitlepagefalse + \vskip4pt \hrule height 4pt width \hsize \vskip4pt +} + +\parseargdef\subtitle{% + \checkenv\titlepage + {\subtitlefont \rightline{#1}}% +} + +% @author should come last, but may come many times. +\parseargdef\author{% + \def\temp{\quotation}% + \ifx\thisenv\temp + This edition of the manual is dedicated to Karl Berry who should + really make affiliations work. + \else + \checkenv\titlepage + \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi + {\authorfont \leftline{#1}}% + \fi +} + + +%%% Set up page headings and footings. + +\let\thispage=\folio + +\newtoks\evenheadline % headline on even pages +\newtoks\oddheadline % headline on odd pages +\newtoks\evenfootline % footline on even pages +\newtoks\oddfootline % footline on odd pages + +% Now make TeX use those variables +\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline + \else \the\evenheadline \fi}} +\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline + \else \the\evenfootline \fi}\HEADINGShook} +\let\HEADINGShook=\relax + +% Commands to set those variables. +% For example, this is what @headings on does +% @evenheading @thistitle|@thispage|@thischapter +% @oddheading @thischapter|@thispage|@thistitle +% @evenfooting @thisfile|| +% @oddfooting ||@thisfile + + +\def\evenheading{\parsearg\evenheadingxxx} +\def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish} +\def\evenheadingyyy #1\|#2\|#3\|#4\finish{% +\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\def\oddheading{\parsearg\oddheadingxxx} +\def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish} +\def\oddheadingyyy #1\|#2\|#3\|#4\finish{% +\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% + +\def\evenfooting{\parsearg\evenfootingxxx} +\def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish} +\def\evenfootingyyy #1\|#2\|#3\|#4\finish{% +\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\def\oddfooting{\parsearg\oddfootingxxx} +\def\oddfootingxxx #1{\oddfootingyyy #1\|\|\|\|\finish} +\def\oddfootingyyy #1\|#2\|#3\|#4\finish{% + \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}% + % + % Leave some space for the footline. Hopefully ok to assume + % @evenfooting will not be used by itself. + \global\advance\pageheight by -\baselineskip + \global\advance\vsize by -\baselineskip +} + +\parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} + + +% @headings double turns headings on for double-sided printing. +% @headings single turns headings on for single-sided printing. +% @headings off turns them off. +% @headings on same as @headings double, retained for compatibility. +% @headings after turns on double-sided headings after this page. +% @headings doubleafter turns on double-sided headings after this page. +% @headings singleafter turns on single-sided headings after this page. +% By default, they are off at the start of a document, +% and turned `on' after @end titlepage. + +\def\headings #1 {\csname HEADINGS#1\endcsname} + +\def\HEADINGSoff{% +\global\evenheadline={\hfil} \global\evenfootline={\hfil} +\global\oddheadline={\hfil} \global\oddfootline={\hfil}} +\HEADINGSoff +% When we turn headings on, set the page number to 1. +% For double-sided printing, put current file name in lower left corner, +% chapter name on inside top of right hand pages, document +% title on inside top of left hand pages, and page numbers on outside top +% edge of all pages. +\def\HEADINGSdouble{% +\global\pageno=1 +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\folio\hfil\thistitle}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chapoddpage +} +\let\contentsalignmacro = \chappager + +% For single-sided printing, chapter title goes across top left of page, +% page number on top right. +\def\HEADINGSsingle{% +\global\pageno=1 +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\thischapter\hfil\folio}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chappager +} +\def\HEADINGSon{\HEADINGSdouble} + +\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex} +\let\HEADINGSdoubleafter=\HEADINGSafter +\def\HEADINGSdoublex{% +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\folio\hfil\thistitle}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chapoddpage +} + +\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex} +\def\HEADINGSsinglex{% +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\thischapter\hfil\folio}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chappager +} + +% Subroutines used in generating headings +% This produces Day Month Year style of output. +% Only define if not already defined, in case a txi-??.tex file has set +% up a different format (e.g., txi-cs.tex does this). +\ifx\today\undefined +\def\today{% + \number\day\space + \ifcase\month + \or\putwordMJan\or\putwordMFeb\or\putwordMMar\or\putwordMApr + \or\putwordMMay\or\putwordMJun\or\putwordMJul\or\putwordMAug + \or\putwordMSep\or\putwordMOct\or\putwordMNov\or\putwordMDec + \fi + \space\number\year} +\fi + +% @settitle line... specifies the title of the document, for headings. +% It generates no output of its own. +\def\thistitle{\putwordNoTitle} +\def\settitle{\parsearg{\gdef\thistitle}} + + +\message{tables,} +% Tables -- @table, @ftable, @vtable, @item(x). + +% default indentation of table text +\newdimen\tableindent \tableindent=.8in +% default indentation of @itemize and @enumerate text +\newdimen\itemindent \itemindent=.3in +% margin between end of table item and start of table text. +\newdimen\itemmargin \itemmargin=.1in + +% used internally for \itemindent minus \itemmargin +\newdimen\itemmax + +% Note @table, @ftable, and @vtable define @item, @itemx, etc., with +% these defs. +% They also define \itemindex +% to index the item name in whatever manner is desired (perhaps none). + +\newif\ifitemxneedsnegativevskip + +\def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi} + +\def\internalBitem{\smallbreak \parsearg\itemzzz} +\def\internalBitemx{\itemxpar \parsearg\itemzzz} + +\def\itemzzz #1{\begingroup % + \advance\hsize by -\rightskip + \advance\hsize by -\tableindent + \setbox0=\hbox{\itemindicate{#1}}% + \itemindex{#1}% + \nobreak % This prevents a break before @itemx. + % + % If the item text does not fit in the space we have, put it on a line + % by itself, and do not allow a page break either before or after that + % line. We do not start a paragraph here because then if the next + % command is, e.g., @kindex, the whatsit would get put into the + % horizontal list on a line by itself, resulting in extra blank space. + \ifdim \wd0>\itemmax + % + % Make this a paragraph so we get the \parskip glue and wrapping, + % but leave it ragged-right. + \begingroup + \advance\leftskip by-\tableindent + \advance\hsize by\tableindent + \advance\rightskip by0pt plus1fil + \leavevmode\unhbox0\par + \endgroup + % + % We're going to be starting a paragraph, but we don't want the + % \parskip glue -- logically it's part of the @item we just started. + \nobreak \vskip-\parskip + % + % Stop a page break at the \parskip glue coming up. (Unfortunately + % we can't prevent a possible page break at the following + % \baselineskip glue.) However, if what follows is an environment + % such as @example, there will be no \parskip glue; then + % the negative vskip we just would cause the example and the item to + % crash together. So we use this bizarre value of 10001 as a signal + % to \aboveenvbreak to insert \parskip glue after all. + % (Possibly there are other commands that could be followed by + % @example which need the same treatment, but not section titles; or + % maybe section titles are the only special case and they should be + % penalty 10001...) + \penalty 10001 + \endgroup + \itemxneedsnegativevskipfalse + \else + % The item text fits into the space. Start a paragraph, so that the + % following text (if any) will end up on the same line. + \noindent + % Do this with kerns and \unhbox so that if there is a footnote in + % the item text, it can migrate to the main vertical list and + % eventually be printed. + \nobreak\kern-\tableindent + \dimen0 = \itemmax \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0 + \unhbox0 + \nobreak\kern\dimen0 + \endgroup + \itemxneedsnegativevskiptrue + \fi +} + +\def\item{\errmessage{@item while not in a list environment}} +\def\itemx{\errmessage{@itemx while not in a list environment}} + +% @table, @ftable, @vtable. +\envdef\table{% + \let\itemindex\gobble + \tablex +} +\envdef\ftable{% + \def\itemindex ##1{\doind {fn}{\code{##1}}}% + \tablex +} +\envdef\vtable{% + \def\itemindex ##1{\doind {vr}{\code{##1}}}% + \tablex +} +\def\tablex#1{% + \def\itemindicate{#1}% + \parsearg\tabley +} +\def\tabley#1{% + {% + \makevalueexpandable + \edef\temp{\noexpand\tablez #1\space\space\space}% + \expandafter + }\temp \endtablez +} +\def\tablez #1 #2 #3 #4\endtablez{% + \aboveenvbreak + \ifnum 0#1>0 \advance \leftskip by #1\mil \fi + \ifnum 0#2>0 \tableindent=#2\mil \fi + \ifnum 0#3>0 \advance \rightskip by #3\mil \fi + \itemmax=\tableindent + \advance \itemmax by -\itemmargin + \advance \leftskip by \tableindent + \exdentamount=\tableindent + \parindent = 0pt + \parskip = \smallskipamount + \ifdim \parskip=0pt \parskip=2pt \fi + \let\item = \internalBitem + \let\itemx = \internalBitemx +} +\def\Etable{\endgraf\afterenvbreak} +\let\Eftable\Etable +\let\Evtable\Etable +\let\Eitemize\Etable +\let\Eenumerate\Etable + +% This is the counter used by @enumerate, which is really @itemize + +\newcount \itemno + +\envdef\itemize{% + \parsearg\itemizey +} + +\def\itemizey#1{% + \aboveenvbreak + \itemmax=\itemindent + \advance\itemmax by -\itemmargin + \advance\leftskip by \itemindent + \exdentamount=\itemindent + \parindent=0pt + \parskip=\smallskipamount + \ifdim\parskip=0pt \parskip=2pt \fi + \def\itemcontents{#1}% + % @itemize with no arg is equivalent to @itemize @bullet. + \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi + \let\item=\itemizeitem +} + +% \splitoff TOKENS\endmark defines \first to be the first token in +% TOKENS, and \rest to be the remainder. +% +\def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}% + +% Allow an optional argument of an uppercase letter, lowercase letter, +% or number, to specify the first label in the enumerated list. No +% argument is the same as `1'. +% +\envparseargdef\enumerate{\enumeratey #1 \endenumeratey} +\def\enumeratey #1 #2\endenumeratey{% + % If we were given no argument, pretend we were given `1'. + \def\thearg{#1}% + \ifx\thearg\empty \def\thearg{1}\fi + % + % Detect if the argument is a single token. If so, it might be a + % letter. Otherwise, the only valid thing it can be is a number. + % (We will always have one token, because of the test we just made. + % This is a good thing, since \splitoff doesn't work given nothing at + % all -- the first parameter is undelimited.) + \expandafter\splitoff\thearg\endmark + \ifx\rest\empty + % Only one token in the argument. It could still be anything. + % A ``lowercase letter'' is one whose \lccode is nonzero. + % An ``uppercase letter'' is one whose \lccode is both nonzero, and + % not equal to itself. + % Otherwise, we assume it's a number. + % + % We need the \relax at the end of the \ifnum lines to stop TeX from + % continuing to look for a . + % + \ifnum\lccode\expandafter`\thearg=0\relax + \numericenumerate % a number (we hope) + \else + % It's a letter. + \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax + \lowercaseenumerate % lowercase letter + \else + \uppercaseenumerate % uppercase letter + \fi + \fi + \else + % Multiple tokens in the argument. We hope it's a number. + \numericenumerate + \fi +} + +% An @enumerate whose labels are integers. The starting integer is +% given in \thearg. +% +\def\numericenumerate{% + \itemno = \thearg + \startenumeration{\the\itemno}% +} + +% The starting (lowercase) letter is in \thearg. +\def\lowercaseenumerate{% + \itemno = \expandafter`\thearg + \startenumeration{% + % Be sure we're not beyond the end of the alphabet. + \ifnum\itemno=0 + \errmessage{No more lowercase letters in @enumerate; get a bigger + alphabet}% + \fi + \char\lccode\itemno + }% +} + +% The starting (uppercase) letter is in \thearg. +\def\uppercaseenumerate{% + \itemno = \expandafter`\thearg + \startenumeration{% + % Be sure we're not beyond the end of the alphabet. + \ifnum\itemno=0 + \errmessage{No more uppercase letters in @enumerate; get a bigger + alphabet} + \fi + \char\uccode\itemno + }% +} + +% Call itemizey, adding a period to the first argument and supplying the +% common last two arguments. Also subtract one from the initial value in +% \itemno, since @item increments \itemno. +% +\def\startenumeration#1{% + \advance\itemno by -1 + \itemizey{#1.}\flushcr +} + +% @alphaenumerate and @capsenumerate are abbreviations for giving an arg +% to @enumerate. +% +\def\alphaenumerate{\enumerate{a}} +\def\capsenumerate{\enumerate{A}} +\def\Ealphaenumerate{\Eenumerate} +\def\Ecapsenumerate{\Eenumerate} + +% Definition of @item while inside @itemize. + +\def\itemizeitem{% +\advance\itemno by 1 +{\let\par=\endgraf \smallbreak}% +\ifhmode \errmessage{In hmode at itemizeitem}\fi +{\parskip=0in \hskip 0pt +\hbox to 0pt{\hss \itemcontents\hskip \itemmargin}% +\vadjust{\penalty 1200}}% +\flushcr} + +% @multitable macros +% Amy Hendrickson, 8/18/94, 3/6/96 +% +% @multitable ... @end multitable will make as many columns as desired. +% Contents of each column will wrap at width given in preamble. Width +% can be specified either with sample text given in a template line, +% or in percent of \hsize, the current width of text on page. + +% Table can continue over pages but will only break between lines. + +% To make preamble: +% +% Either define widths of columns in terms of percent of \hsize: +% @multitable @columnfractions .25 .3 .45 +% @item ... +% +% Numbers following @columnfractions are the percent of the total +% current hsize to be used for each column. You may use as many +% columns as desired. + + +% Or use a template: +% @multitable {Column 1 template} {Column 2 template} {Column 3 template} +% @item ... +% using the widest term desired in each column. + +% Each new table line starts with @item, each subsequent new column +% starts with @tab. Empty columns may be produced by supplying @tab's +% with nothing between them for as many times as empty columns are needed, +% ie, @tab@tab@tab will produce two empty columns. + +% @item, @tab do not need to be on their own lines, but it will not hurt +% if they are. + +% Sample multitable: + +% @multitable {Column 1 template} {Column 2 template} {Column 3 template} +% @item first col stuff @tab second col stuff @tab third col +% @item +% first col stuff +% @tab +% second col stuff +% @tab +% third col +% @item first col stuff @tab second col stuff +% @tab Many paragraphs of text may be used in any column. +% +% They will wrap at the width determined by the template. +% @item@tab@tab This will be in third column. +% @end multitable + +% Default dimensions may be reset by user. +% @multitableparskip is vertical space between paragraphs in table. +% @multitableparindent is paragraph indent in table. +% @multitablecolmargin is horizontal space to be left between columns. +% @multitablelinespace is space to leave between table items, baseline +% to baseline. +% 0pt means it depends on current normal line spacing. +% +\newskip\multitableparskip +\newskip\multitableparindent +\newdimen\multitablecolspace +\newskip\multitablelinespace +\multitableparskip=0pt +\multitableparindent=6pt +\multitablecolspace=12pt +\multitablelinespace=0pt + +% Macros used to set up halign preamble: +% +\let\endsetuptable\relax +\def\xendsetuptable{\endsetuptable} +\let\columnfractions\relax +\def\xcolumnfractions{\columnfractions} +\newif\ifsetpercent + +% #1 is the part of the @columnfraction before the decimal point, which +% is presumably either 0 or the empty string (but we don't check, we +% just throw it away). #2 is the decimal part, which we use as the +% percent of \hsize for this column. +\def\pickupwholefraction#1.#2 {% + \global\advance\colcount by 1 + \expandafter\xdef\csname col\the\colcount\endcsname{.#2\hsize}% + \setuptable +} + +\newcount\colcount +\def\setuptable#1{% + \def\firstarg{#1}% + \ifx\firstarg\xendsetuptable + \let\go = \relax + \else + \ifx\firstarg\xcolumnfractions + \global\setpercenttrue + \else + \ifsetpercent + \let\go\pickupwholefraction + \else + \global\advance\colcount by 1 + \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a + % separator; typically that is always in the input, anyway. + \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}% + \fi + \fi + \ifx\go\pickupwholefraction + % Put the argument back for the \pickupwholefraction call, so + % we'll always have a period there to be parsed. + \def\go{\pickupwholefraction#1}% + \else + \let\go = \setuptable + \fi% + \fi + \go +} + +% multitable-only commands. +% +% @headitem starts a heading row, which we typeset in bold. +% Assignments have to be global since we are inside the implicit group +% of an alignment entry. Note that \everycr resets \everytab. +\def\headitem{\checkenv\multitable \crcr \global\everytab={\bf}\the\everytab}% +% +% A \tab used to include \hskip1sp. But then the space in a template +% line is not enough. That is bad. So let's go back to just `&' until +% we encounter the problem it was intended to solve again. +% --karl, nathan@acm.org, 20apr99. +\def\tab{\checkenv\multitable &\the\everytab}% + +% @multitable ... @end multitable definitions: +% +\newtoks\everytab % insert after every tab. +% +\envdef\multitable{% + \vskip\parskip + \startsavinginserts + % + % @item within a multitable starts a normal row. + \let\item\crcr + % + \tolerance=9500 + \hbadness=9500 + \setmultitablespacing + \parskip=\multitableparskip + \parindent=\multitableparindent + \overfullrule=0pt + \global\colcount=0 + % + \everycr = {% + \noalign{% + \global\everytab={}% + \global\colcount=0 % Reset the column counter. + % Check for saved footnotes, etc. + \checkinserts + % Keeps underfull box messages off when table breaks over pages. + %\filbreak + % Maybe so, but it also creates really weird page breaks when the + % table breaks over pages. Wouldn't \vfil be better? Wait until the + % problem manifests itself, so it can be fixed for real --karl. + }% + }% + % + \parsearg\domultitable +} +\def\domultitable#1{% + % To parse everything between @multitable and @item: + \setuptable#1 \endsetuptable + % + % This preamble sets up a generic column definition, which will + % be used as many times as user calls for columns. + % \vtop will set a single line and will also let text wrap and + % continue for many paragraphs if desired. + \halign\bgroup &% + \global\advance\colcount by 1 + \multistrut + \vtop{% + % Use the current \colcount to find the correct column width: + \hsize=\expandafter\csname col\the\colcount\endcsname + % + % In order to keep entries from bumping into each other + % we will add a \leftskip of \multitablecolspace to all columns after + % the first one. + % + % If a template has been used, we will add \multitablecolspace + % to the width of each template entry. + % + % If the user has set preamble in terms of percent of \hsize we will + % use that dimension as the width of the column, and the \leftskip + % will keep entries from bumping into each other. Table will start at + % left margin and final column will justify at right margin. + % + % Make sure we don't inherit \rightskip from the outer environment. + \rightskip=0pt + \ifnum\colcount=1 + % The first column will be indented with the surrounding text. + \advance\hsize by\leftskip + \else + \ifsetpercent \else + % If user has not set preamble in terms of percent of \hsize + % we will advance \hsize by \multitablecolspace. + \advance\hsize by \multitablecolspace + \fi + % In either case we will make \leftskip=\multitablecolspace: + \leftskip=\multitablecolspace + \fi + % Ignoring space at the beginning and end avoids an occasional spurious + % blank line, when TeX decides to break the line at the space before the + % box from the multistrut, so the strut ends up on a line by itself. + % For example: + % @multitable @columnfractions .11 .89 + % @item @code{#} + % @tab Legal holiday which is valid in major parts of the whole country. + % Is automatically provided with highlighting sequences respectively + % marking characters. + \noindent\ignorespaces##\unskip\multistrut + }\cr +} +\def\Emultitable{% + \crcr + \egroup % end the \halign + \global\setpercentfalse +} + +\def\setmultitablespacing{% test to see if user has set \multitablelinespace. +% If so, do nothing. If not, give it an appropriate dimension based on +% current baselineskip. +\ifdim\multitablelinespace=0pt +\setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip +\global\advance\multitablelinespace by-\ht0 +%% strut to put in table in case some entry doesn't have descenders, +%% to keep lines equally spaced +\let\multistrut = \strut +\else +%% FIXME: what is \box0 supposed to be? +\gdef\multistrut{\vrule height\multitablelinespace depth\dp0 +width0pt\relax} \fi +%% Test to see if parskip is larger than space between lines of +%% table. If not, do nothing. +%% If so, set to same dimension as multitablelinespace. +\ifdim\multitableparskip>\multitablelinespace +\global\multitableparskip=\multitablelinespace +\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller + %% than skip between lines in the table. +\fi% +\ifdim\multitableparskip=0pt +\global\multitableparskip=\multitablelinespace +\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller + %% than skip between lines in the table. +\fi} + + +\message{conditionals,} + +% @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext, +% @ifnotxml always succeed. They currently do nothing; we don't +% attempt to check whether the conditionals are properly nested. But we +% have to remember that they are conditionals, so that @end doesn't +% attempt to close an environment group. +% +\def\makecond#1{% + \expandafter\let\csname #1\endcsname = \relax + \expandafter\let\csname iscond.#1\endcsname = 1 +} +\makecond{iftex} +\makecond{ifnotdocbook} +\makecond{ifnothtml} +\makecond{ifnotinfo} +\makecond{ifnotplaintext} +\makecond{ifnotxml} + +% Ignore @ignore, @ifhtml, @ifinfo, and the like. +% +\def\direntry{\doignore{direntry}} +\def\documentdescription{\doignore{documentdescription}} +\def\docbook{\doignore{docbook}} +\def\html{\doignore{html}} +\def\ifdocbook{\doignore{ifdocbook}} +\def\ifhtml{\doignore{ifhtml}} +\def\ifinfo{\doignore{ifinfo}} +\def\ifnottex{\doignore{ifnottex}} +\def\ifplaintext{\doignore{ifplaintext}} +\def\ifxml{\doignore{ifxml}} +\def\ignore{\doignore{ignore}} +\def\menu{\doignore{menu}} +\def\xml{\doignore{xml}} + +% Ignore text until a line `@end #1', keeping track of nested conditionals. +% +% A count to remember the depth of nesting. +\newcount\doignorecount + +\def\doignore#1{\begingroup + % Scan in ``verbatim'' mode: + \catcode`\@ = \other + \catcode`\{ = \other + \catcode`\} = \other + % + % Make sure that spaces turn into tokens that match what \doignoretext wants. + \spaceisspace + % + % Count number of #1's that we've seen. + \doignorecount = 0 + % + % Swallow text until we reach the matching `@end #1'. + \dodoignore {#1}% +} + +{ \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source. + \obeylines % + % + \gdef\dodoignore#1{% + % #1 contains the string `ifinfo'. + % + % Define a command to find the next `@end #1', which must be on a line + % by itself. + \long\def\doignoretext##1^^M@end #1{\doignoretextyyy##1^^M@#1\_STOP_}% + % And this command to find another #1 command, at the beginning of a + % line. (Otherwise, we would consider a line `@c @ifset', for + % example, to count as an @ifset for nesting.) + \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% + % + % And now expand that command. + \obeylines % + \doignoretext ^^M% + }% +} + +\def\doignoreyyy#1{% + \def\temp{#1}% + \ifx\temp\empty % Nothing found. + \let\next\doignoretextzzz + \else % Found a nested condition, ... + \advance\doignorecount by 1 + \let\next\doignoretextyyy % ..., look for another. + % If we're here, #1 ends with ^^M\ifinfo (for example). + \fi + \next #1% the token \_STOP_ is present just after this macro. +} + +% We have to swallow the remaining "\_STOP_". +% +\def\doignoretextzzz#1{% + \ifnum\doignorecount = 0 % We have just found the outermost @end. + \let\next\enddoignore + \else % Still inside a nested condition. + \advance\doignorecount by -1 + \let\next\doignoretext % Look for the next @end. + \fi + \next +} + +% Finish off ignored text. +\def\enddoignore{\endgroup\ignorespaces} + + +% @set VAR sets the variable VAR to an empty value. +% @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE. +% +% Since we want to separate VAR from REST-OF-LINE (which might be +% empty), we can't just use \parsearg; we have to insert a space of our +% own to delimit the rest of the line, and then take it out again if we +% didn't need it. +% We rely on the fact that \parsearg sets \catcode`\ =10. +% +\parseargdef\set{\setyyy#1 \endsetyyy} +\def\setyyy#1 #2\endsetyyy{% + {% + \makevalueexpandable + \def\temp{#2}% + \edef\next{\gdef\makecsname{SET#1}}% + \ifx\temp\empty + \next{}% + \else + \setzzz#2\endsetzzz + \fi + }% +} +% Remove the trailing space \setxxx inserted. +\def\setzzz#1 \endsetzzz{\next{#1}} + +% @clear VAR clears (i.e., unsets) the variable VAR. +% +\parseargdef\clear{% + {% + \makevalueexpandable + \global\expandafter\let\csname SET#1\endcsname=\relax + }% +} + +% @value{foo} gets the text saved in variable foo. +\def\value{\begingroup\makevalueexpandable\valuexxx} +\def\valuexxx#1{\expandablevalue{#1}\endgroup} +{ + \catcode`\- = \active \catcode`\_ = \active + % + \gdef\makevalueexpandable{% + \let\value = \expandablevalue + % We don't want these characters active, ... + \catcode`\-=\other \catcode`\_=\other + % ..., but we might end up with active ones in the argument if + % we're called from @code, as @code{@value{foo-bar_}}, though. + % So \let them to their normal equivalents. + \let-\realdash \let_\normalunderscore + } +} + +% We have this subroutine so that we can handle at least some @value's +% properly in indexes (we call \makevalueexpandable in \indexdummies). +% The command has to be fully expandable (if the variable is set), since +% the result winds up in the index file. This means that if the +% variable's value contains other Texinfo commands, it's almost certain +% it will fail (although perhaps we could fix that with sufficient work +% to do a one-level expansion on the result, instead of complete). +% +\def\expandablevalue#1{% + \expandafter\ifx\csname SET#1\endcsname\relax + {[No value for ``#1'']}% + \message{Variable `#1', used in @value, is not set.}% + \else + \csname SET#1\endcsname + \fi +} + +% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined +% with @set. +% +% To get special treatment of `@end ifset,' call \makeond and the redefine. +% +\makecond{ifset} +\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}} +\def\doifset#1#2{% + {% + \makevalueexpandable + \let\next=\empty + \expandafter\ifx\csname SET#2\endcsname\relax + #1% If not set, redefine \next. + \fi + \expandafter + }\next +} +\def\ifsetfail{\doignore{ifset}} + +% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been +% defined with @set, or has been undefined with @clear. +% +% The `\else' inside the `\doifset' parameter is a trick to reuse the +% above code: if the variable is not set, do nothing, if it is set, +% then redefine \next to \ifclearfail. +% +\makecond{ifclear} +\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}} +\def\ifclearfail{\doignore{ifclear}} + +% @dircategory CATEGORY -- specify a category of the dir file +% which this file should belong to. Ignore this in TeX. +\let\dircategory=\comment + +% @defininfoenclose. +\let\definfoenclose=\comment + + +\message{indexing,} +% Index generation facilities + +% Define \newwrite to be identical to plain tex's \newwrite +% except not \outer, so it can be used within \newindex. +{\catcode`\@=11 +\gdef\newwrite{\alloc@7\write\chardef\sixt@@n}} + +% \newindex {foo} defines an index named foo. +% It automatically defines \fooindex such that +% \fooindex ...rest of line... puts an entry in the index foo. +% It also defines \fooindfile to be the number of the output channel for +% the file that accumulates this index. The file's extension is foo. +% The name of an index should be no more than 2 characters long +% for the sake of vms. +% +\def\newindex#1{% + \iflinks + \expandafter\newwrite \csname#1indfile\endcsname + \openout \csname#1indfile\endcsname \jobname.#1 % Open the file + \fi + \expandafter\xdef\csname#1index\endcsname{% % Define @#1index + \noexpand\doindex{#1}} +} + +% @defindex foo == \newindex{foo} +% +\def\defindex{\parsearg\newindex} + +% Define @defcodeindex, like @defindex except put all entries in @code. +% +\def\defcodeindex{\parsearg\newcodeindex} +% +\def\newcodeindex#1{% + \iflinks + \expandafter\newwrite \csname#1indfile\endcsname + \openout \csname#1indfile\endcsname \jobname.#1 + \fi + \expandafter\xdef\csname#1index\endcsname{% + \noexpand\docodeindex{#1}}% +} + + +% @synindex foo bar makes index foo feed into index bar. +% Do this instead of @defindex foo if you don't want it as a separate index. +% +% @syncodeindex foo bar similar, but put all entries made for index foo +% inside @code. +% +\def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}} +\def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}} + +% #1 is \doindex or \docodeindex, #2 the index getting redefined (foo), +% #3 the target index (bar). +\def\dosynindex#1#2#3{% + % Only do \closeout if we haven't already done it, else we'll end up + % closing the target index. + \expandafter \ifx\csname donesynindex#2\endcsname \undefined + % The \closeout helps reduce unnecessary open files; the limit on the + % Acorn RISC OS is a mere 16 files. + \expandafter\closeout\csname#2indfile\endcsname + \expandafter\let\csname\donesynindex#2\endcsname = 1 + \fi + % redefine \fooindfile: + \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname + \expandafter\let\csname#2indfile\endcsname=\temp + % redefine \fooindex: + \expandafter\xdef\csname#2index\endcsname{\noexpand#1{#3}}% +} + +% Define \doindex, the driver for all \fooindex macros. +% Argument #1 is generated by the calling \fooindex macro, +% and it is "foo", the name of the index. + +% \doindex just uses \parsearg; it calls \doind for the actual work. +% This is because \doind is more useful to call from other macros. + +% There is also \dosubind {index}{topic}{subtopic} +% which makes an entry in a two-level index such as the operation index. + +\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer} +\def\singleindexer #1{\doind{\indexname}{#1}} + +% like the previous two, but they put @code around the argument. +\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} +\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} + +% Take care of Texinfo commands that can appear in an index entry. +% Since there are some commands we want to expand, and others we don't, +% we have to laboriously prevent expansion for those that we don't. +% +\def\indexdummies{% + \def\@{@}% change to @@ when we switch to @ as escape char in index files. + \def\ {\realbackslash\space }% + % Need these in case \tex is in effect and \{ is a \delimiter again. + % But can't use \lbracecmd and \rbracecmd because texindex assumes + % braces and backslashes are used only as delimiters. + \let\{ = \mylbrace + \let\} = \myrbrace + % + % \definedummyword defines \#1 as \realbackslash #1\space, thus + % effectively preventing its expansion. This is used only for control + % words, not control letters, because the \space would be incorrect + % for control characters, but is needed to separate the control word + % from whatever follows. + % + % For control letters, we have \definedummyletter, which omits the + % space. + % + % These can be used both for control words that take an argument and + % those that do not. If it is followed by {arg} in the input, then + % that will dutifully get written to the index (or wherever). + % + \def\definedummyword##1{% + \expandafter\def\csname ##1\endcsname{\realbackslash ##1\space}% + }% + \def\definedummyletter##1{% + \expandafter\def\csname ##1\endcsname{\realbackslash ##1}% + }% + % + % Do the redefinitions. + \commondummies +} + +% For the aux file, @ is the escape character. So we want to redefine +% everything using @ instead of \realbackslash. When everything uses +% @, this will be simpler. +% +\def\atdummies{% + \def\@{@@}% + \def\ {@ }% + \let\{ = \lbraceatcmd + \let\} = \rbraceatcmd + % + % (See comments in \indexdummies.) + \def\definedummyword##1{% + \expandafter\def\csname ##1\endcsname{@##1\space}% + }% + \def\definedummyletter##1{% + \expandafter\def\csname ##1\endcsname{@##1}% + }% + % + % Do the redefinitions. + \commondummies +} + +% Called from \indexdummies and \atdummies. \definedummyword and +% \definedummyletter must be defined first. +% +\def\commondummies{% + % + \normalturnoffactive + % + \commondummiesnofonts + % + \definedummyletter{_}% + % + % Non-English letters. + \definedummyword{AA}% + \definedummyword{AE}% + \definedummyword{L}% + \definedummyword{OE}% + \definedummyword{O}% + \definedummyword{aa}% + \definedummyword{ae}% + \definedummyword{l}% + \definedummyword{oe}% + \definedummyword{o}% + \definedummyword{ss}% + \definedummyword{exclamdown}% + \definedummyword{questiondown}% + \definedummyword{ordm}% + \definedummyword{ordf}% + % + % Although these internal commands shouldn't show up, sometimes they do. + \definedummyword{bf}% + \definedummyword{gtr}% + \definedummyword{hat}% + \definedummyword{less}% + \definedummyword{sf}% + \definedummyword{sl}% + \definedummyword{tclose}% + \definedummyword{tt}% + % + \definedummyword{LaTeX}% + \definedummyword{TeX}% + \definedummyword{dots}% + % + % Assorted special characters. + \definedummyword{bullet}% + \definedummyword{copyright}% + \definedummyword{registeredsymbol}% + \definedummyword{dots}% + \definedummyword{enddots}% + \definedummyword{equiv}% + \definedummyword{error}% + \definedummyword{expansion}% + \definedummyword{minus}% + \definedummyword{pounds}% + \definedummyword{point}% + \definedummyword{print}% + \definedummyword{result}% + % + % Handle some cases of @value -- where it does not contain any + % (non-fully-expandable) commands. + \makevalueexpandable + % + % Normal spaces, not active ones. + \unsepspaces + % + % No macro expansion. + \turnoffmacros +} + +% \commondummiesnofonts: common to \commondummies and \indexnofonts. +% +% Better have this without active chars. +{ + \catcode`\~=\other + \gdef\commondummiesnofonts{% + % Control letters and accents. + \definedummyletter{,}% + \definedummyletter{"}% + \definedummyletter{`}% + \definedummyletter{'}% + \definedummyletter{^}% + \definedummyletter{~}% + \definedummyletter{=}% + \definedummyword{u}% + \definedummyword{v}% + \definedummyword{H}% + \definedummyword{dotaccent}% + \definedummyword{ringaccent}% + \definedummyword{tieaccent}% + \definedummyword{ubaraccent}% + \definedummyword{udotaccent}% + \definedummyword{dotless}% + % + % Texinfo font commands. + \definedummyword{b}% + \definedummyword{i}% + \definedummyword{r}% + \definedummyword{sc}% + \definedummyword{t}% + % + \definedummyword{acronym}% + \definedummyword{cite}% + \definedummyword{code}% + \definedummyword{command}% + \definedummyword{dfn}% + \definedummyword{emph}% + \definedummyword{env}% + \definedummyword{file}% + \definedummyword{kbd}% + \definedummyword{key}% + \definedummyword{math}% + \definedummyword{option}% + \definedummyword{samp}% + \definedummyword{strong}% + \definedummyword{uref}% + \definedummyword{url}% + \definedummyword{var}% + \definedummyword{verb}% + \definedummyword{w}% + } +} + +% \indexnofonts is used when outputting the strings to sort the index +% by, and when constructing control sequence names. It eliminates all +% control sequences and just writes whatever the best ASCII sort string +% would be for a given command (usually its argument). +% +\def\indexnofonts{% + \def\definedummyword##1{% + \expandafter\let\csname ##1\endcsname\asis + }% + \let\definedummyletter=\definedummyword + % + \commondummiesnofonts + % + % Don't no-op \tt, since it isn't a user-level command + % and is used in the definitions of the active chars like <, >, |, etc. + % Likewise with the other plain tex font commands. + %\let\tt=\asis + % + \def\ { }% + \def\@{@}% + % how to handle braces? + \def\_{\normalunderscore}% + % + % Non-English letters. + \def\AA{AA}% + \def\AE{AE}% + \def\L{L}% + \def\OE{OE}% + \def\O{O}% + \def\aa{aa}% + \def\ae{ae}% + \def\l{l}% + \def\oe{oe}% + \def\o{o}% + \def\ss{ss}% + \def\exclamdown{!}% + \def\questiondown{?}% + \def\ordf{a}% + \def\ordm{o}% + % + \def\LaTeX{LaTeX}% + \def\TeX{TeX}% + \def\dots{...}% +} + +\let\indexbackslash=0 %overridden during \printindex. +\let\SETmarginindex=\relax % put index entries in margin (undocumented)? + +% Most index entries go through here, but \dosubind is the general case. +% #1 is the index name, #2 is the entry text. +\def\doind#1#2{\dosubind{#1}{#2}{}} + +% Workhorse for all \fooindexes. +% #1 is name of index, #2 is stuff to put there, #3 is subentry -- +% empty if called from \doind, as we usually are (the main exception +% is with most defuns, which call us directly). +% +\def\dosubind#1#2#3{% + \iflinks + {% + % Store the main index entry text (including the third arg). + \toks0 = {#2}% + % If third arg is present, precede it with a space. + \def\thirdarg{#3}% + \ifx\thirdarg\empty \else + \toks0 = \expandafter{\the\toks0 \space #3}% + \fi + % + \edef\writeto{\csname#1indfile\endcsname}% + % + \ifvmode + \dosubindsanitize + \else + \dosubindwrite + \fi + }% + \fi +} + +% Write the entry in \toks0 to the index file: +% +\def\dosubindwrite{% + % Put the index entry in the margin if desired. + \ifx\SETmarginindex\relax\else + \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}% + \fi + % + % Remember, we are within a group. + \indexdummies % Must do this here, since \bf, etc expand at this stage + \escapechar=`\\ + \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now + % so it will be output as is; and it will print as backslash. + % + % Process the index entry with all font commands turned off, to + % get the string to sort by. + {\indexnofonts + \edef\temp{\the\toks0}% need full expansion + \xdef\indexsorttmp{\temp}% + }% + % + % Set up the complete index entry, with both the sort key and + % the original text, including any font commands. We write + % three arguments to \entry to the .?? file (four in the + % subentry case), texindex reduces to two when writing the .??s + % sorted result. + \edef\temp{% + \write\writeto{% + \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}% + }% + \temp +} + +% Take care of unwanted page breaks: +% +% If a skip is the last thing on the list now, preserve it +% by backing up by \lastskip, doing the \write, then inserting +% the skip again. Otherwise, the whatsit generated by the +% \write will make \lastskip zero. The result is that sequences +% like this: +% @end defun +% @tindex whatever +% @defun ... +% will have extra space inserted, because the \medbreak in the +% start of the @defun won't see the skip inserted by the @end of +% the previous defun. +% +% But don't do any of this if we're not in vertical mode. We +% don't want to do a \vskip and prematurely end a paragraph. +% +% Avoid page breaks due to these extra skips, too. +% +% But wait, there is a catch there: +% We'll have to check whether \lastskip is zero skip. \ifdim is not +% sufficient for this purpose, as it ignores stretch and shrink parts +% of the skip. The only way seems to be to check the textual +% representation of the skip. +% +% The following is almost like \def\zeroskipmacro{0.0pt} except that +% the ``p'' and ``t'' characters have catcode \other, not 11 (letter). +% +\edef\zeroskipmacro{\expandafter\the\csname z@skip\endcsname} +% +% ..., ready, GO: +% +\def\dosubindsanitize{% + % \lastskip and \lastpenalty cannot both be nonzero simultaneously. + \skip0 = \lastskip + \edef\lastskipmacro{\the\lastskip}% + \count255 = \lastpenalty + % + % If \lastskip is nonzero, that means the last item was a + % skip. And since a skip is discardable, that means this + % -\skip0 glue we're inserting is preceded by a + % non-discardable item, therefore it is not a potential + % breakpoint, therefore no \nobreak needed. + \ifx\lastskipmacro\zeroskipmacro + \else + \vskip-\skip0 + \fi + % + \dosubindwrite + % + \ifx\lastskipmacro\zeroskipmacro + % if \lastskip was zero, perhaps the last item was a + % penalty, and perhaps it was >=10000, e.g., a \nobreak. + % In that case, we want to re-insert the penalty; since we + % just inserted a non-discardable item, any following glue + % (such as a \parskip) would be a breakpoint. For example: + % @deffn deffn-whatever + % @vindex index-whatever + % Description. + % would allow a break between the index-whatever whatsit + % and the "Description." paragraph. + \ifnum\count255>9999 \nobreak \fi + \else + % On the other hand, if we had a nonzero \lastskip, + % this make-up glue would be preceded by a non-discardable item + % (the whatsit from the \write), so we must insert a \nobreak. + \nobreak\vskip\skip0 + \fi +} + +% The index entry written in the file actually looks like +% \entry {sortstring}{page}{topic} +% or +% \entry {sortstring}{page}{topic}{subtopic} +% The texindex program reads in these files and writes files +% containing these kinds of lines: +% \initial {c} +% before the first topic whose initial is c +% \entry {topic}{pagelist} +% for a topic that is used without subtopics +% \primary {topic} +% for the beginning of a topic that is used with subtopics +% \secondary {subtopic}{pagelist} +% for each subtopic. + +% Define the user-accessible indexing commands +% @findex, @vindex, @kindex, @cindex. + +\def\findex {\fnindex} +\def\kindex {\kyindex} +\def\cindex {\cpindex} +\def\vindex {\vrindex} +\def\tindex {\tpindex} +\def\pindex {\pgindex} + +\def\cindexsub {\begingroup\obeylines\cindexsub} +{\obeylines % +\gdef\cindexsub "#1" #2^^M{\endgroup % +\dosubind{cp}{#2}{#1}}} + +% Define the macros used in formatting output of the sorted index material. + +% @printindex causes a particular index (the ??s file) to get printed. +% It does not print any chapter heading (usually an @unnumbered). +% +\parseargdef\printindex{\begingroup + \dobreak \chapheadingskip{10000}% + % + \smallfonts \rm + \tolerance = 9500 + \everypar = {}% don't want the \kern\-parindent from indentation suppression. + % + % See if the index file exists and is nonempty. + % Change catcode of @ here so that if the index file contains + % \initial {@} + % as its first line, TeX doesn't complain about mismatched braces + % (because it thinks @} is a control sequence). + \catcode`\@ = 11 + \openin 1 \jobname.#1s + \ifeof 1 + % \enddoublecolumns gets confused if there is no text in the index, + % and it loses the chapter title and the aux file entries for the + % index. The easiest way to prevent this problem is to make sure + % there is some text. + \putwordIndexNonexistent + \else + % + % If the index file exists but is empty, then \openin leaves \ifeof + % false. We have to make TeX try to read something from the file, so + % it can discover if there is anything in it. + \read 1 to \temp + \ifeof 1 + \putwordIndexIsEmpty + \else + % Index files are almost Texinfo source, but we use \ as the escape + % character. It would be better to use @, but that's too big a change + % to make right now. + \def\indexbackslash{\backslashcurfont}% + \catcode`\\ = 0 + \escapechar = `\\ + \begindoublecolumns + \input \jobname.#1s + \enddoublecolumns + \fi + \fi + \closein 1 +\endgroup} + +% These macros are used by the sorted index file itself. +% Change them to control the appearance of the index. + +\def\initial#1{{% + % Some minor font changes for the special characters. + \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt + % + % Remove any glue we may have, we'll be inserting our own. + \removelastskip + % + % We like breaks before the index initials, so insert a bonus. + \penalty -300 + % + % Typeset the initial. Making this add up to a whole number of + % baselineskips increases the chance of the dots lining up from column + % to column. It still won't often be perfect, because of the stretch + % we need before each entry, but it's better. + % + % No shrink because it confuses \balancecolumns. + \vskip 1.67\baselineskip plus .5\baselineskip + \leftline{\secbf #1}% + \vskip .33\baselineskip plus .1\baselineskip + % + % Do our best not to break after the initial. + \nobreak +}} + +% \entry typesets a paragraph consisting of the text (#1), dot leaders, and +% then page number (#2) flushed to the right margin. It is used for index +% and table of contents entries. The paragraph is indented by \leftskip. +% +% A straigtforward implementation would start like this: +% \def\entry#1#2{... +% But this frozes the catcodes in the argument, and can cause problems to +% @code, which set's active ``-''. This problem was fixed by a kludge--- +% ``-'' was active throughout whole index, but this isn't what we really +% want. +% The right solution is to prevent \entry from swallowing the whole text. +% --kasal, 21nov03 +\def\entry{% + \begingroup + % + % Start a new paragraph if necessary, so our assignments below can't + % affect previous text. + \par + % + % Do not fill out the last line with white space. + \parfillskip = 0in + % + % No extra space above this paragraph. + \parskip = 0in + % + % Do not prefer a separate line ending with a hyphen to fewer lines. + \finalhyphendemerits = 0 + % + % \hangindent is only relevant when the entry text and page number + % don't both fit on one line. In that case, bob suggests starting the + % dots pretty far over on the line. Unfortunately, a large + % indentation looks wrong when the entry text itself is broken across + % lines. So we use a small indentation and put up with long leaders. + % + % \hangafter is reset to 1 (which is the value we want) at the start + % of each paragraph, so we need not do anything with that. + \hangindent = 2em + % + % When the entry text needs to be broken, just fill out the first line + % with blank space. + \rightskip = 0pt plus1fil + % + % A bit of stretch before each entry for the benefit of balancing + % columns. + \vskip 0pt plus1pt + % + % Swallow the left brace of the text (first parameter): + \afterassignment\doentry + \let\temp = +} +\def\doentry{% + \bgroup % Instead of the swallowed brace. + \noindent + \aftergroup\finishentry + % And now comes the text of the entry. +} +\def\finishentry#1{% + % #1 is the page number. + % + % The following is kludged to not output a line of dots in the index if + % there are no page numbers. The next person who breaks this will be + % cursed by a Unix daemon. + \def\tempa{{\rm }}% + \def\tempb{#1}% + \edef\tempc{\tempa}% + \edef\tempd{\tempb}% + \ifx\tempc\tempd + \ % + \else + % + % If we must, put the page number on a line of its own, and fill out + % this line with blank space. (The \hfil is overwhelmed with the + % fill leaders glue in \indexdotfill if the page number does fit.) + \hfil\penalty50 + \null\nobreak\indexdotfill % Have leaders before the page number. + % + % The `\ ' here is removed by the implicit \unskip that TeX does as + % part of (the primitive) \par. Without it, a spurious underfull + % \hbox ensues. + \ifpdf + \pdfgettoks#1.\ \the\toksA + \else + \ #1% + \fi + \fi + \par + \endgroup +} + +% Like \dotfill except takes at least 1 em. +\def\indexdotfill{\cleaders + \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill} + +\def\primary #1{\line{#1\hfil}} + +\newskip\secondaryindent \secondaryindent=0.5cm +\def\secondary#1#2{{% + \parfillskip=0in + \parskip=0in + \hangindent=1in + \hangafter=1 + \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill + \ifpdf + \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. + \else + #2 + \fi + \par +}} + +% Define two-column mode, which we use to typeset indexes. +% Adapted from the TeXbook, page 416, which is to say, +% the manmac.tex format used to print the TeXbook itself. +\catcode`\@=11 + +\newbox\partialpage +\newdimen\doublecolumnhsize + +\def\begindoublecolumns{\begingroup % ended by \enddoublecolumns + % Grab any single-column material above us. + \output = {% + % + % Here is a possibility not foreseen in manmac: if we accumulate a + % whole lot of material, we might end up calling this \output + % routine twice in a row (see the doublecol-lose test, which is + % essentially a couple of indexes with @setchapternewpage off). In + % that case we just ship out what is in \partialpage with the normal + % output routine. Generally, \partialpage will be empty when this + % runs and this will be a no-op. See the indexspread.tex test case. + \ifvoid\partialpage \else + \onepageout{\pagecontents\partialpage}% + \fi + % + \global\setbox\partialpage = \vbox{% + % Unvbox the main output page. + \unvbox\PAGE + \kern-\topskip \kern\baselineskip + }% + }% + \eject % run that output routine to set \partialpage + % + % Use the double-column output routine for subsequent pages. + \output = {\doublecolumnout}% + % + % Change the page size parameters. We could do this once outside this + % routine, in each of @smallbook, @afourpaper, and the default 8.5x11 + % format, but then we repeat the same computation. Repeating a couple + % of assignments once per index is clearly meaningless for the + % execution time, so we may as well do it in one place. + % + % First we halve the line length, less a little for the gutter between + % the columns. We compute the gutter based on the line length, so it + % changes automatically with the paper format. The magic constant + % below is chosen so that the gutter has the same value (well, +-<1pt) + % as it did when we hard-coded it. + % + % We put the result in a separate register, \doublecolumhsize, so we + % can restore it in \pagesofar, after \hsize itself has (potentially) + % been clobbered. + % + \doublecolumnhsize = \hsize + \advance\doublecolumnhsize by -.04154\hsize + \divide\doublecolumnhsize by 2 + \hsize = \doublecolumnhsize + % + % Double the \vsize as well. (We don't need a separate register here, + % since nobody clobbers \vsize.) + \vsize = 2\vsize +} + +% The double-column output routine for all double-column pages except +% the last. +% +\def\doublecolumnout{% + \splittopskip=\topskip \splitmaxdepth=\maxdepth + % Get the available space for the double columns -- the normal + % (undoubled) page height minus any material left over from the + % previous page. + \dimen@ = \vsize + \divide\dimen@ by 2 + \advance\dimen@ by -\ht\partialpage + % + % box0 will be the left-hand column, box2 the right. + \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@ + \onepageout\pagesofar + \unvbox255 + \penalty\outputpenalty +} +% +% Re-output the contents of the output page -- any previous material, +% followed by the two boxes we just split, in box0 and box2. +\def\pagesofar{% + \unvbox\partialpage + % + \hsize = \doublecolumnhsize + \wd0=\hsize \wd2=\hsize + \hbox to\pagewidth{\box0\hfil\box2}% +} +% +% All done with double columns. +\def\enddoublecolumns{% + \output = {% + % Split the last of the double-column material. Leave it on the + % current page, no automatic page break. + \balancecolumns + % + % If we end up splitting too much material for the current page, + % though, there will be another page break right after this \output + % invocation ends. Having called \balancecolumns once, we do not + % want to call it again. Therefore, reset \output to its normal + % definition right away. (We hope \balancecolumns will never be + % called on to balance too much material, but if it is, this makes + % the output somewhat more palatable.) + \global\output = {\onepageout{\pagecontents\PAGE}}% + }% + \eject + \endgroup % started in \begindoublecolumns + % + % \pagegoal was set to the doubled \vsize above, since we restarted + % the current page. We're now back to normal single-column + % typesetting, so reset \pagegoal to the normal \vsize (after the + % \endgroup where \vsize got restored). + \pagegoal = \vsize +} +% +% Called at the end of the double column material. +\def\balancecolumns{% + \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120. + \dimen@ = \ht0 + \advance\dimen@ by \topskip + \advance\dimen@ by-\baselineskip + \divide\dimen@ by 2 % target to split to + %debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}% + \splittopskip = \topskip + % Loop until we get a decent breakpoint. + {% + \vbadness = 10000 + \loop + \global\setbox3 = \copy0 + \global\setbox1 = \vsplit3 to \dimen@ + \ifdim\ht3>\dimen@ + \global\advance\dimen@ by 1pt + \repeat + }% + %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}% + \setbox0=\vbox to\dimen@{\unvbox1}% + \setbox2=\vbox to\dimen@{\unvbox3}% + % + \pagesofar +} +\catcode`\@ = \other + + +\message{sectioning,} +% Chapters, sections, etc. + +% \unnumberedno is an oxymoron, of course. But we count the unnumbered +% sections so that we can refer to them unambiguously in the pdf +% outlines by their "section number". We avoid collisions with chapter +% numbers by starting them at 10000. (If a document ever has 10000 +% chapters, we're in trouble anyway, I'm sure.) +\newcount\unnumberedno \unnumberedno = 10000 +\newcount\chapno +\newcount\secno \secno=0 +\newcount\subsecno \subsecno=0 +\newcount\subsubsecno \subsubsecno=0 + +% This counter is funny since it counts through charcodes of letters A, B, ... +\newcount\appendixno \appendixno = `\@ +% +% \def\appendixletter{\char\the\appendixno} +% We do the following ugly conditional instead of the above simple +% construct for the sake of pdftex, which needs the actual +% letter in the expansion, not just typeset. +% +\def\appendixletter{% + \ifnum\appendixno=`A A% + \else\ifnum\appendixno=`B B% + \else\ifnum\appendixno=`C C% + \else\ifnum\appendixno=`D D% + \else\ifnum\appendixno=`E E% + \else\ifnum\appendixno=`F F% + \else\ifnum\appendixno=`G G% + \else\ifnum\appendixno=`H H% + \else\ifnum\appendixno=`I I% + \else\ifnum\appendixno=`J J% + \else\ifnum\appendixno=`K K% + \else\ifnum\appendixno=`L L% + \else\ifnum\appendixno=`M M% + \else\ifnum\appendixno=`N N% + \else\ifnum\appendixno=`O O% + \else\ifnum\appendixno=`P P% + \else\ifnum\appendixno=`Q Q% + \else\ifnum\appendixno=`R R% + \else\ifnum\appendixno=`S S% + \else\ifnum\appendixno=`T T% + \else\ifnum\appendixno=`U U% + \else\ifnum\appendixno=`V V% + \else\ifnum\appendixno=`W W% + \else\ifnum\appendixno=`X X% + \else\ifnum\appendixno=`Y Y% + \else\ifnum\appendixno=`Z Z% + % The \the is necessary, despite appearances, because \appendixletter is + % expanded while writing the .toc file. \char\appendixno is not + % expandable, thus it is written literally, thus all appendixes come out + % with the same letter (or @) in the toc without it. + \else\char\the\appendixno + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi} + +% Each @chapter defines this as the name of the chapter. +% page headings and footings can use it. @section does likewise. +% However, they are not reliable, because we don't use marks. +\def\thischapter{} +\def\thissection{} + +\newcount\absseclevel % used to calculate proper heading level +\newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count + +% @raisesections: treat @section as chapter, @subsection as section, etc. +\def\raisesections{\global\advance\secbase by -1} +\let\up=\raisesections % original BFox name + +% @lowersections: treat @chapter as section, @section as subsection, etc. +\def\lowersections{\global\advance\secbase by 1} +\let\down=\lowersections % original BFox name + +% Choose a numbered-heading macro +% #1 is heading level if unmodified by @raisesections or @lowersections +% #2 is text for heading +\def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 +\ifcase\absseclevel + \chapterzzz{#2}% + \or \seczzz{#2}% + \or \numberedsubseczzz{#2}% + \or \numberedsubsubseczzz{#2}% + \else + \ifnum \absseclevel<0 \chapterzzz{#2}% + \else \numberedsubsubseczzz{#2}% + \fi + \fi + \suppressfirstparagraphindent +} + +% like \numhead, but chooses appendix heading levels +\def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 +\ifcase\absseclevel + \appendixzzz{#2}% + \or \appendixsectionzzz{#2}% + \or \appendixsubseczzz{#2}% + \or \appendixsubsubseczzz{#2}% + \else + \ifnum \absseclevel<0 \appendixzzz{#2}% + \else \appendixsubsubseczzz{#2}% + \fi + \fi + \suppressfirstparagraphindent +} + +% like \numhead, but chooses numberless heading levels +\def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 + \ifcase\absseclevel + \unnumberedzzz{#2}% + \or \unnumberedseczzz{#2}% + \or \unnumberedsubseczzz{#2}% + \or \unnumberedsubsubseczzz{#2}% + \else + \ifnum \absseclevel<0 \unnumberedzzz{#2}% + \else \unnumberedsubsubseczzz{#2}% + \fi + \fi + \suppressfirstparagraphindent +} + +% @chapter, @appendix, @unnumbered. Increment top-level counter, reset +% all lower-level sectioning counters to zero. +% +% Also set \chaplevelprefix, which we prepend to @float sequence numbers +% (e.g., figures), q.v. By default (before any chapter), that is empty. +\let\chaplevelprefix = \empty +% +\outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz +\def\chapterzzz#1{% + % section resetting is \global in case the chapter is in a group, such + % as an @include file. + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\chapno by 1 + % + % Used for \float. + \gdef\chaplevelprefix{\the\chapno.}% + \resetallfloatnos + % + \message{\putwordChapter\space \the\chapno}% + % + % Write the actual heading. + \chapmacro{#1}{Ynumbered}{\the\chapno}% + % + % So @section and the like are numbered underneath this chapter. + \global\let\section = \numberedsec + \global\let\subsection = \numberedsubsec + \global\let\subsubsection = \numberedsubsubsec +} + +\outer\parseargdef\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz +\def\appendixzzz#1{% + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\appendixno by 1 + \gdef\chaplevelprefix{\appendixletter.}% + \resetallfloatnos + % + \def\appendixnum{\putwordAppendix\space \appendixletter}% + \message{\appendixnum}% + % + \chapmacro{#1}{Yappendix}{\appendixletter}% + % + \global\let\section = \appendixsec + \global\let\subsection = \appendixsubsec + \global\let\subsubsection = \appendixsubsubsec +} + +% @centerchap is like @unnumbered, but the heading is centered. +\outer\parseargdef\centerchap{{\unnumberedyyy{#1}}} + +\outer\parseargdef\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz +\def\unnumberedzzz#1{% + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\unnumberedno by 1 + % + % Since an unnumbered has no number, no prefix for figures. + \global\let\chaplevelprefix = \empty + \resetallfloatnos + % + % This used to be simply \message{#1}, but TeX fully expands the + % argument to \message. Therefore, if #1 contained @-commands, TeX + % expanded them. For example, in `@unnumbered The @cite{Book}', TeX + % expanded @cite (which turns out to cause errors because \cite is meant + % to be executed, not expanded). + % + % Anyway, we don't want the fully-expanded definition of @cite to appear + % as a result of the \message, we just want `@cite' itself. We use + % \the to achieve this: TeX expands \the only once, + % simply yielding the contents of . (We also do this for + % the toc entries.) + \toks0 = {#1}% + \message{(\the\toks0)}% + % + \chapmacro{#1}{Ynothing}{\the\unnumberedno}% + % + \global\let\section = \unnumberedsec + \global\let\subsection = \unnumberedsubsec + \global\let\subsubsection = \unnumberedsubsubsec +} + +% @top is like @unnumbered. +\let\top\unnumbered + +% Sections. +\outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz +\def\seczzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}% +} + +\outer\parseargdef\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz +\def\appendixsectionzzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}% +} +\let\appendixsec\appendixsection + +\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz +\def\unnumberedseczzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}% +} + +% Subsections. +\outer\parseargdef\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz +\def\numberedsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}% +} + +\outer\parseargdef\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz +\def\appendixsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Yappendix}% + {\appendixletter.\the\secno.\the\subsecno}% +} + +\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz +\def\unnumberedsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Ynothing}% + {\the\unnumberedno.\the\secno.\the\subsecno}% +} + +% Subsubsections. +\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz +\def\numberedsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Ynumbered}% + {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz +\def\appendixsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Yappendix}% + {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz +\def\unnumberedsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Ynothing}% + {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +% These are variants which are not "outer", so they can appear in @ifinfo. +% Actually, they are now be obsolete; ordinary section commands should work. +\def\infotop{\parsearg\unnumberedzzz} +\def\infounnumbered{\parsearg\unnumberedzzz} +\def\infounnumberedsec{\parsearg\unnumberedseczzz} +\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz} +\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz} + +\def\infoappendix{\parsearg\appendixzzz} +\def\infoappendixsec{\parsearg\appendixseczzz} +\def\infoappendixsubsec{\parsearg\appendixsubseczzz} +\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz} + +\def\infochapter{\parsearg\chapterzzz} +\def\infosection{\parsearg\sectionzzz} +\def\infosubsection{\parsearg\subsectionzzz} +\def\infosubsubsection{\parsearg\subsubsectionzzz} + +% These macros control what the section commands do, according +% to what kind of chapter we are in (ordinary, appendix, or unnumbered). +% Define them by default for a numbered chapter. +\let\section = \numberedsec +\let\subsection = \numberedsubsec +\let\subsubsection = \numberedsubsubsec + +% Define @majorheading, @heading and @subheading + +% NOTE on use of \vbox for chapter headings, section headings, and such: +% 1) We use \vbox rather than the earlier \line to permit +% overlong headings to fold. +% 2) \hyphenpenalty is set to 10000 because hyphenation in a +% heading is obnoxious; this forbids it. +% 3) Likewise, headings look best if no \parindent is used, and +% if justification is not attempted. Hence \raggedright. + + +\def\majorheading{% + {\advance\chapheadingskip by 10pt \chapbreak }% + \parsearg\chapheadingzzz +} + +\def\chapheading{\chapbreak \parsearg\chapheadingzzz} +\def\chapheadingzzz#1{% + {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\raggedright + \rm #1\hfill}}% + \bigskip \par\penalty 200\relax + \suppressfirstparagraphindent +} + +% @heading, @subheading, @subsubheading. +\parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} +\parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} +\parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} + +% These macros generate a chapter, section, etc. heading only +% (including whitespace, linebreaking, etc. around it), +% given all the information in convenient, parsed form. + +%%% Args are the skip and penalty (usually negative) +\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi} + +\def\setchapterstyle #1 {\csname CHAPF#1\endcsname} + +%%% Define plain chapter starts, and page on/off switching for it +% Parameter controlling skip before chapter headings (if needed) + +\newskip\chapheadingskip + +\def\chapbreak{\dobreak \chapheadingskip {-4000}} +\def\chappager{\par\vfill\supereject} +\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi} + +\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname} + +\def\CHAPPAGoff{% +\global\let\contentsalignmacro = \chappager +\global\let\pchapsepmacro=\chapbreak +\global\let\pagealignmacro=\chappager} + +\def\CHAPPAGon{% +\global\let\contentsalignmacro = \chappager +\global\let\pchapsepmacro=\chappager +\global\let\pagealignmacro=\chappager +\global\def\HEADINGSon{\HEADINGSsingle}} + +\def\CHAPPAGodd{% +\global\let\contentsalignmacro = \chapoddpage +\global\let\pchapsepmacro=\chapoddpage +\global\let\pagealignmacro=\chapoddpage +\global\def\HEADINGSon{\HEADINGSdouble}} + +\CHAPPAGon + +\def\CHAPFplain{% +\global\let\chapmacro=\chfplain +\global\let\centerchapmacro=\centerchfplain} + +% Normal chapter opening. +% +% #1 is the text, #2 is the section type (Ynumbered, Ynothing, +% Yappendix, Yomitfromtoc), #3 the chapter number. +% +% To test against our argument. +\def\Ynothingkeyword{Ynothing} +\def\Yomitfromtockeyword{Yomitfromtoc} +\def\Yappendixkeyword{Yappendix} +% +\def\chfplain#1#2#3{% + \pchapsepmacro + {% + \chapfonts \rm + % + % Have to define \thissection before calling \donoderef, because the + % xref code eventually uses it. On the other hand, it has to be called + % after \pchapsepmacro, or the headline will change too soon. + \gdef\thissection{#1}% + \gdef\thischaptername{#1}% + % + % Only insert the separating space if we have a chapter/appendix + % number, and don't print the unnumbered ``number''. + \def\temptype{#2}% + \ifx\temptype\Ynothingkeyword + \setbox0 = \hbox{}% + \def\toctype{unnchap}% + \def\thischapter{#1}% + \else\ifx\temptype\Yomitfromtockeyword + \setbox0 = \hbox{}% contents like unnumbered, but no toc entry + \def\toctype{omit}% + \xdef\thischapter{}% + \else\ifx\temptype\Yappendixkeyword + \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% + \def\toctype{app}% + % We don't substitute the actual chapter name into \thischapter + % because we don't want its macros evaluated now. And we don't + % use \thissection because that changes with each section. + % + \xdef\thischapter{\putwordAppendix{} \appendixletter: + \noexpand\thischaptername}% + \else + \setbox0 = \hbox{#3\enspace}% + \def\toctype{numchap}% + \xdef\thischapter{\putwordChapter{} \the\chapno: + \noexpand\thischaptername}% + \fi\fi\fi + % + % Write the toc entry for this chapter. Must come before the + % \donoderef, because we include the current node name in the toc + % entry, and \donoderef resets it to empty. + \writetocentry{\toctype}{#1}{#3}% + % + % For pdftex, we have to write out the node definition (aka, make + % the pdfdest) after any page break, but before the actual text has + % been typeset. If the destination for the pdf outline is after the + % text, then jumping from the outline may wind up with the text not + % being visible, for instance under high magnification. + \donoderef{#2}% + % + % Typeset the actual heading. + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \hangindent=\wd0 \centerparametersmaybe + \unhbox0 #1\par}% + }% + \nobreak\bigskip % no page break after a chapter title + \nobreak +} + +% @centerchap -- centered and unnumbered. +\let\centerparametersmaybe = \relax +\def\centerchfplain#1{{% + \def\centerparametersmaybe{% + \advance\rightskip by 3\rightskip + \leftskip = \rightskip + \parfillskip = 0pt + }% + \chfplain{#1}{Ynothing}{}% +}} + +\CHAPFplain % The default + +% I don't think this chapter style is supported any more, so I'm not +% updating it with the new noderef stuff. We'll see. --karl, 11aug03. +% +\def\unnchfopen #1{% +\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\raggedright + \rm #1\hfill}}\bigskip \par\nobreak +} + +\def\chfopen #1#2{\chapoddpage {\chapfonts +\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}% +\par\penalty 5000 % +} + +\def\centerchfopen #1{% +\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt + \hfill {\rm #1}\hfill}}\bigskip \par\nobreak +} + +\def\CHAPFopen{% +\global\let\chapmacro=\chfopen +\global\let\centerchapmacro=\centerchfopen} + + +% Section titles. These macros combine the section number parts and +% call the generic \sectionheading to do the printing. +% +\newskip\secheadingskip +\def\secheadingbreak{\dobreak \secheadingskip{-1000}} + +% Subsection titles. +\newskip\subsecheadingskip +\def\subsecheadingbreak{\dobreak \subsecheadingskip{-500}} + +% Subsubsection titles. +\def\subsubsecheadingskip{\subsecheadingskip} +\def\subsubsecheadingbreak{\subsecheadingbreak} + + +% Print any size, any type, section title. +% +% #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is +% the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the +% section number. +% +\def\sectionheading#1#2#3#4{% + {% + % Switch to the right set of fonts. + \csname #2fonts\endcsname \rm + % + % Insert space above the heading. + \csname #2headingbreak\endcsname + % + % Only insert the space after the number if we have a section number. + \def\sectionlevel{#2}% + \def\temptype{#3}% + % + \ifx\temptype\Ynothingkeyword + \setbox0 = \hbox{}% + \def\toctype{unn}% + \gdef\thissection{#1}% + \else\ifx\temptype\Yomitfromtockeyword + % for @headings -- no section number, don't include in toc, + % and don't redefine \thissection. + \setbox0 = \hbox{}% + \def\toctype{omit}% + \let\sectionlevel=\empty + \else\ifx\temptype\Yappendixkeyword + \setbox0 = \hbox{#4\enspace}% + \def\toctype{app}% + \gdef\thissection{#1}% + \else + \setbox0 = \hbox{#4\enspace}% + \def\toctype{num}% + \gdef\thissection{#1}% + \fi\fi\fi + % + % Write the toc entry (before \donoderef). See comments in \chfplain. + \writetocentry{\toctype\sectionlevel}{#1}{#4}% + % + % Write the node reference (= pdf destination for pdftex). + % Again, see comments in \chfplain. + \donoderef{#3}% + % + % Output the actual section heading. + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \hangindent=\wd0 % zero if no section number + \unhbox0 #1}% + }% + % Add extra space after the heading -- half of whatever came above it. + % Don't allow stretch, though. + \kern .5 \csname #2headingskip\endcsname + % + % Do not let the kern be a potential breakpoint, as it would be if it + % was followed by glue. + \nobreak + % + % We'll almost certainly start a paragraph next, so don't let that + % glue accumulate. (Not a breakpoint because it's preceded by a + % discardable item.) + \vskip-\parskip + % + % This \nobreak is purely so the last item on the list is a \penalty + % of 10000. This is so other code, for instance \parsebodycommon, can + % check for and avoid allowing breakpoints. Otherwise, it would + % insert a valid breakpoint between: + % @section sec-whatever + % @deffn def-whatever + \nobreak +} + + +\message{toc,} +% Table of contents. +\newwrite\tocfile + +% Write an entry to the toc file, opening it if necessary. +% Called from @chapter, etc. +% +% Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno} +% We append the current node name (if any) and page number as additional +% arguments for the \{chap,sec,...}entry macros which will eventually +% read this. The node name is used in the pdf outlines as the +% destination to jump to. +% +% We open the .toc file for writing here instead of at @setfilename (or +% any other fixed time) so that @contents can be anywhere in the document. +% But if #1 is `omit', then we don't do anything. This is used for the +% table of contents chapter openings themselves. +% +\newif\iftocfileopened +\def\omitkeyword{omit}% +% +\def\writetocentry#1#2#3{% + \edef\writetoctype{#1}% + \ifx\writetoctype\omitkeyword \else + \iftocfileopened\else + \immediate\openout\tocfile = \jobname.toc + \global\tocfileopenedtrue + \fi + % + \iflinks + \toks0 = {#2}% + \toks2 = \expandafter{\lastnode}% + \edef\temp{\write\tocfile{\realbackslash #1entry{\the\toks0}{#3}% + {\the\toks2}{\noexpand\folio}}}% + \temp + \fi + \fi + % + % Tell \shipout to create a pdf destination on each page, if we're + % writing pdf. These are used in the table of contents. We can't + % just write one on every page because the title pages are numbered + % 1 and 2 (the page numbers aren't printed), and so are the first + % two pages of the document. Thus, we'd have two destinations named + % `1', and two named `2'. + \ifpdf \global\pdfmakepagedesttrue \fi +} + +\newskip\contentsrightmargin \contentsrightmargin=1in +\newcount\savepageno +\newcount\lastnegativepageno \lastnegativepageno = -1 + +% Prepare to read what we've written to \tocfile. +% +\def\startcontents#1{% + % If @setchapternewpage on, and @headings double, the contents should + % start on an odd page, unlike chapters. Thus, we maintain + % \contentsalignmacro in parallel with \pagealignmacro. + % From: Torbjorn Granlund + \contentsalignmacro + \immediate\closeout\tocfile + % + % Don't need to put `Contents' or `Short Contents' in the headline. + % It is abundantly clear what they are. + \def\thischapter{}% + \chapmacro{#1}{Yomitfromtoc}{}% + % + \savepageno = \pageno + \begingroup % Set up to handle contents files properly. + \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11 + % We can't do this, because then an actual ^ in a section + % title fails, e.g., @chapter ^ -- exponentiation. --karl, 9jul97. + %\catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi + \raggedbottom % Worry more about breakpoints than the bottom. + \advance\hsize by -\contentsrightmargin % Don't use the full line length. + % + % Roman numerals for page numbers. + \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi +} + + +% Normal (long) toc. +\def\contents{% + \startcontents{\putwordTOC}% + \openin 1 \jobname.toc + \ifeof 1 \else + \input \jobname.toc + \fi + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \ifeof 1 \else + \pdfmakeoutlines + \fi + \closein 1 + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno +} + +% And just the chapters. +\def\summarycontents{% + \startcontents{\putwordShortTOC}% + % + \let\numchapentry = \shortchapentry + \let\appentry = \shortchapentry + \let\unnchapentry = \shortunnchapentry + % We want a true roman here for the page numbers. + \secfonts + \let\rm=\shortcontrm \let\bf=\shortcontbf + \let\sl=\shortcontsl \let\tt=\shortconttt + \rm + \hyphenpenalty = 10000 + \advance\baselineskip by 1pt % Open it up a little. + \def\numsecentry##1##2##3##4{} + \let\appsecentry = \numsecentry + \let\unnsecentry = \numsecentry + \let\numsubsecentry = \numsecentry + \let\appsubsecentry = \numsecentry + \let\unnsubsecentry = \numsecentry + \let\numsubsubsecentry = \numsecentry + \let\appsubsubsecentry = \numsecentry + \let\unnsubsubsecentry = \numsecentry + \openin 1 \jobname.toc + \ifeof 1 \else + \input \jobname.toc + \fi + \closein 1 + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno +} +\let\shortcontents = \summarycontents + +% Typeset the label for a chapter or appendix for the short contents. +% The arg is, e.g., `A' for an appendix, or `3' for a chapter. +% +\def\shortchaplabel#1{% + % This space should be enough, since a single number is .5em, and the + % widest letter (M) is 1em, at least in the Computer Modern fonts. + % But use \hss just in case. + % (This space doesn't include the extra space that gets added after + % the label; that gets put in by \shortchapentry above.) + % + % We'd like to right-justify chapter numbers, but that looks strange + % with appendix letters. And right-justifying numbers and + % left-justifying letters looks strange when there is less than 10 + % chapters. Have to read the whole toc once to know how many chapters + % there are before deciding ... + \hbox to 1em{#1\hss}% +} + +% These macros generate individual entries in the table of contents. +% The first argument is the chapter or section name. +% The last argument is the page number. +% The arguments in between are the chapter number, section number, ... + +% Chapters, in the main contents. +\def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}} +% +% Chapters, in the short toc. +% See comments in \dochapentry re vbox and related settings. +\def\shortchapentry#1#2#3#4{% + \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno\bgroup#4\egroup}% +} + +% Appendices, in the main contents. +% Need the word Appendix, and a fixed-size box. +% +\def\appendixbox#1{% + % We use M since it's probably the widest letter. + \setbox0 = \hbox{\putwordAppendix{} M}% + \hbox to \wd0{\putwordAppendix{} #1\hss}} +% +\def\appentry#1#2#3#4{\dochapentry{\appendixbox{#2}\labelspace#1}{#4}} + +% Unnumbered chapters. +\def\unnchapentry#1#2#3#4{\dochapentry{#1}{#4}} +\def\shortunnchapentry#1#2#3#4{\tocentry{#1}{\doshortpageno\bgroup#4\egroup}} + +% Sections. +\def\numsecentry#1#2#3#4{\dosecentry{#2\labelspace#1}{#4}} +\let\appsecentry=\numsecentry +\def\unnsecentry#1#2#3#4{\dosecentry{#1}{#4}} + +% Subsections. +\def\numsubsecentry#1#2#3#4{\dosubsecentry{#2\labelspace#1}{#4}} +\let\appsubsecentry=\numsubsecentry +\def\unnsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}} + +% And subsubsections. +\def\numsubsubsecentry#1#2#3#4{\dosubsubsecentry{#2\labelspace#1}{#4}} +\let\appsubsubsecentry=\numsubsubsecentry +\def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}} + +% This parameter controls the indentation of the various levels. +\newdimen\tocindent \tocindent = 2pc + +% Now for the actual typesetting. In all these, #1 is the text and #2 is the +% page number. +% +% If the toc has to be broken over pages, we want it to be at chapters +% if at all possible; hence the \penalty. +\def\dochapentry#1#2{% + \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip + \begingroup + \chapentryfonts + \tocentry{#1}{\dopageno\bgroup#2\egroup}% + \endgroup + \nobreak\vskip .25\baselineskip plus.1\baselineskip +} + +\def\dosecentry#1#2{\begingroup + \secentryfonts \leftskip=\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +\def\dosubsecentry#1#2{\begingroup + \subsecentryfonts \leftskip=2\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +\def\dosubsubsecentry#1#2{\begingroup + \subsubsecentryfonts \leftskip=3\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +% We use the same \entry macro as for the index entries. +\let\tocentry = \entry + +% Space between chapter (or whatever) number and the title. +\def\labelspace{\hskip1em \relax} + +\def\dopageno#1{{\rm #1}} +\def\doshortpageno#1{{\rm #1}} + +\def\chapentryfonts{\secfonts \rm} +\def\secentryfonts{\textfonts} +\def\subsecentryfonts{\textfonts} +\def\subsubsecentryfonts{\textfonts} + + +\message{environments,} +% @foo ... @end foo. + +% @point{}, @result{}, @expansion{}, @print{}, @equiv{}. +% +% Since these characters are used in examples, it should be an even number of +% \tt widths. Each \tt character is 1en, so two makes it 1em. +% +\def\point{$\star$} +\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} +\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}} +\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} +\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}} + +% The @error{} command. +% Adapted from the TeXbook's \boxit. +% +\newbox\errorbox +% +{\tentt \global\dimen0 = 3em}% Width of the box. +\dimen2 = .55pt % Thickness of rules +% The text. (`r' is open on the right, `e' somewhat less so on the left.) +\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt} +% +\setbox\errorbox=\hbox to \dimen0{\hfil + \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. + \advance\hsize by -2\dimen2 % Rules. + \vbox{% + \hrule height\dimen2 + \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. + \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. + \kern3pt\vrule width\dimen2}% Space to right. + \hrule height\dimen2} + \hfil} +% +\def\error{\leavevmode\lower.7ex\copy\errorbox} + +% @tex ... @end tex escapes into raw Tex temporarily. +% One exception: @ is still an escape character, so that @end tex works. +% But \@ or @@ will get a plain tex @ character. + +\envdef\tex{% + \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 + \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 + \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie + \catcode `\%=14 + \catcode `\+=\other + \catcode `\"=\other + \catcode `\|=\other + \catcode `\<=\other + \catcode `\>=\other + \escapechar=`\\ + % + \let\b=\ptexb + \let\bullet=\ptexbullet + \let\c=\ptexc + \let\,=\ptexcomma + \let\.=\ptexdot + \let\dots=\ptexdots + \let\equiv=\ptexequiv + \let\!=\ptexexclam + \let\i=\ptexi + \let\indent=\ptexindent + \let\noindent=\ptexnoindent + \let\{=\ptexlbrace + \let\+=\tabalign + \let\}=\ptexrbrace + \let\/=\ptexslash + \let\*=\ptexstar + \let\t=\ptext + % + \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}% + \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}% + \def\@{@}% +} +% There is no need to define \Etex. + +% Define @lisp ... @end lisp. +% @lisp environment forms a group so it can rebind things, +% including the definition of @end lisp (which normally is erroneous). + +% Amount to narrow the margins by for @lisp. +\newskip\lispnarrowing \lispnarrowing=0.4in + +% This is the definition that ^^M gets inside @lisp, @example, and other +% such environments. \null is better than a space, since it doesn't +% have any width. +\def\lisppar{\null\endgraf} + +% This space is always present above and below environments. +\newskip\envskipamount \envskipamount = 0pt + +% Make spacing and below environment symmetrical. We use \parskip here +% to help in doing that, since in @example-like environments \parskip +% is reset to zero; thus the \afterenvbreak inserts no space -- but the +% start of the next paragraph will insert \parskip. +% +\def\aboveenvbreak{{% + % =10000 instead of <10000 because of a special case in \itemzzz, q.v. + \ifnum \lastpenalty=10000 \else + \advance\envskipamount by \parskip + \endgraf + \ifdim\lastskip<\envskipamount + \removelastskip + % it's not a good place to break if the last penalty was \nobreak + % or better ... + \ifnum\lastpenalty>10000 \else \penalty-50 \fi + \vskip\envskipamount + \fi + \fi +}} + +\let\afterenvbreak = \aboveenvbreak + +% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins. +\let\nonarrowing=\relax + +% @cartouche ... @end cartouche: draw rectangle w/rounded corners around +% environment contents. +\font\circle=lcircle10 +\newdimen\circthick +\newdimen\cartouter\newdimen\cartinner +\newskip\normbskip\newskip\normpskip\newskip\normlskip +\circthick=\fontdimen8\circle +% +\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth +\def\ctr{{\hskip 6pt\circle\char'010}} +\def\cbl{{\circle\char'012\hskip -6pt}} +\def\cbr{{\hskip 6pt\circle\char'011}} +\def\carttop{\hbox to \cartouter{\hskip\lskip + \ctl\leaders\hrule height\circthick\hfil\ctr + \hskip\rskip}} +\def\cartbot{\hbox to \cartouter{\hskip\lskip + \cbl\leaders\hrule height\circthick\hfil\cbr + \hskip\rskip}} +% +\newskip\lskip\newskip\rskip + +\envdef\cartouche{% + \ifhmode\par\fi % can't be in the midst of a paragraph. + \startsavinginserts + \lskip=\leftskip \rskip=\rightskip + \leftskip=0pt\rightskip=0pt % we want these *outside*. + \cartinner=\hsize \advance\cartinner by-\lskip + \advance\cartinner by-\rskip + \cartouter=\hsize + \advance\cartouter by 18.4pt % allow for 3pt kerns on either + % side, and for 6pt waste from + % each corner char, and rule thickness + \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip + % Flag to tell @lisp, etc., not to narrow margin. + \let\nonarrowing=\comment + \vbox\bgroup + \baselineskip=0pt\parskip=0pt\lineskip=0pt + \carttop + \hbox\bgroup + \hskip\lskip + \vrule\kern3pt + \vbox\bgroup + \kern3pt + \hsize=\cartinner + \baselineskip=\normbskip + \lineskip=\normlskip + \parskip=\normpskip + \vskip -\parskip + \comment % For explanation, see the end of \def\group. +} +\def\Ecartouche{% + \ifhmode\par\fi + \kern3pt + \egroup + \kern3pt\vrule + \hskip\rskip + \egroup + \cartbot + \egroup + \checkinserts +} + + +% This macro is called at the beginning of all the @example variants, +% inside a group. +\def\nonfillstart{% + \aboveenvbreak + \hfuzz = 12pt % Don't be fussy + \sepspaces % Make spaces be word-separators rather than space tokens. + \let\par = \lisppar % don't ignore blank lines + \obeylines % each line of input is a line of output + \parskip = 0pt + \parindent = 0pt + \emergencystretch = 0pt % don't try to avoid overfull boxes + % @cartouche defines \nonarrowing to inhibit narrowing + % at next level down. + \ifx\nonarrowing\relax + \advance \leftskip by \lispnarrowing + \exdentamount=\lispnarrowing + \fi + \let\exdent=\nofillexdent +} + +% If you want all examples etc. small: @set dispenvsize small. +% If you want even small examples the full size: @set dispenvsize nosmall. +% This affects the following displayed environments: +% @example, @display, @format, @lisp +% +\def\smallword{small} +\def\nosmallword{nosmall} +\let\SETdispenvsize\relax +\def\setnormaldispenv{% + \ifx\SETdispenvsize\smallword + \smallexamplefonts \rm + \fi +} +\def\setsmalldispenv{% + \ifx\SETdispenvsize\nosmallword + \else + \smallexamplefonts \rm + \fi +} + +% We often define two environments, @foo and @smallfoo. +% Let's do it by one command: +\def\makedispenv #1#2{ + \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2} + \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2} + \expandafter\let\csname E#1\endcsname \afterenvbreak + \expandafter\let\csname Esmall#1\endcsname \afterenvbreak +} + +% Define two synonyms: +\def\maketwodispenvs #1#2#3{ + \makedispenv{#1}{#3} + \makedispenv{#2}{#3} +} + +% @lisp: indented, narrowed, typewriter font; @example: same as @lisp. +% +% @smallexample and @smalllisp: use smaller fonts. +% Originally contributed by Pavel@xerox. +% +\maketwodispenvs {lisp}{example}{% + \nonfillstart + \tt + \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. + \gobble % eat return +} + +% @display/@smalldisplay: same as @lisp except keep current font. +% +\makedispenv {display}{% + \nonfillstart + \gobble +} + +% @format/@smallformat: same as @display except don't narrow margins. +% +\makedispenv{format}{% + \let\nonarrowing = t% + \nonfillstart + \gobble +} + +% @flushleft: same as @format, but doesn't obey \SETdispenvsize. +\envdef\flushleft{% + \let\nonarrowing = t% + \nonfillstart + \gobble +} +\let\Eflushleft = \afterenvbreak + +% @flushright. +% +\envdef\flushright{% + \let\nonarrowing = t% + \nonfillstart + \advance\leftskip by 0pt plus 1fill + \gobble +} +\let\Eflushright = \afterenvbreak + + +% @quotation does normal linebreaking (hence we can't use \nonfillstart) +% and narrows the margins. +% +\envdef\quotation{% + {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip + \parindent=0pt + % + % @cartouche defines \nonarrowing to inhibit narrowing at next level down. + \ifx\nonarrowing\relax + \advance\leftskip by \lispnarrowing + \advance\rightskip by \lispnarrowing + \exdentamount = \lispnarrowing + \let\nonarrowing = \relax + \fi + \parsearg\quotationlabel +} + +% We have retained a nonzero parskip for the environment, since we're +% doing normal filling. So to avoid extra space below the environment... +\def\Equotation{\parskip = 0pt \afterenvbreak} + +% If we're given an argument, typeset it in bold with a colon after. +\def\quotationlabel#1{% + \def\temp{#1}% + \ifx\temp\empty \else + {\bf #1: }% + \fi +} + + +% LaTeX-like @verbatim...@end verbatim and @verb{...} +% If we want to allow any as delimiter, +% we need the curly braces so that makeinfo sees the @verb command, eg: +% `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org +% +% [Knuth]: Donald Ervin Knuth, 1996. The TeXbook. +% +% [Knuth] p.344; only we need to do the other characters Texinfo sets +% active too. Otherwise, they get lost as the first character on a +% verbatim line. +\def\dospecials{% + \do\ \do\\\do\{\do\}\do\$\do\&% + \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% + \do\<\do\>\do\|\do\@\do+\do\"% +} +% +% [Knuth] p. 380 +\def\uncatcodespecials{% + \def\do##1{\catcode`##1=\other}\dospecials} +% +% [Knuth] pp. 380,381,391 +% Disable Spanish ligatures ?` and !` of \tt font +\begingroup + \catcode`\`=\active\gdef`{\relax\lq} +\endgroup +% +% Setup for the @verb command. +% +% Eight spaces for a tab +\begingroup + \catcode`\^^I=\active + \gdef\tabeightspaces{\catcode`\^^I=\active\def^^I{\ \ \ \ \ \ \ \ }} +\endgroup +% +\def\setupverb{% + \tt % easiest (and conventionally used) font for verbatim + \def\par{\leavevmode\endgraf}% + \catcode`\`=\active + \tabeightspaces + % Respect line breaks, + % print special symbols as themselves, and + % make each space count + % must do in this order: + \obeylines \uncatcodespecials \sepspaces +} + +% Setup for the @verbatim environment +% +% Real tab expansion +\newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount +% +\def\starttabbox{\setbox0=\hbox\bgroup} +\begingroup + \catcode`\^^I=\active + \gdef\tabexpand{% + \catcode`\^^I=\active + \def^^I{\leavevmode\egroup + \dimen0=\wd0 % the width so far, or since the previous tab + \divide\dimen0 by\tabw + \multiply\dimen0 by\tabw % compute previous multiple of \tabw + \advance\dimen0 by\tabw % advance to next multiple of \tabw + \wd0=\dimen0 \box0 \starttabbox + }% + } +\endgroup +\def\setupverbatim{% + \nonfillstart + \advance\leftskip by -\defbodyindent + % Easiest (and conventionally used) font for verbatim + \tt + \def\par{\leavevmode\egroup\box0\endgraf}% + \catcode`\`=\active + \tabexpand + % Respect line breaks, + % print special symbols as themselves, and + % make each space count + % must do in this order: + \obeylines \uncatcodespecials \sepspaces + \everypar{\starttabbox}% +} + +% Do the @verb magic: verbatim text is quoted by unique +% delimiter characters. Before first delimiter expect a +% right brace, after last delimiter expect closing brace: +% +% \def\doverb'{'#1'}'{#1} +% +% [Knuth] p. 382; only eat outer {} +\begingroup + \catcode`[=1\catcode`]=2\catcode`\{=\other\catcode`\}=\other + \gdef\doverb{#1[\def\next##1#1}[##1\endgroup]\next] +\endgroup +% +\def\verb{\begingroup\setupverb\doverb} +% +% +% Do the @verbatim magic: define the macro \doverbatim so that +% the (first) argument ends when '@end verbatim' is reached, ie: +% +% \def\doverbatim#1@end verbatim{#1} +% +% For Texinfo it's a lot easier than for LaTeX, +% because texinfo's \verbatim doesn't stop at '\end{verbatim}': +% we need not redefine '\', '{' and '}'. +% +% Inspired by LaTeX's verbatim command set [latex.ltx] +% +\begingroup + \catcode`\ =\active + \obeylines % + % ignore everything up to the first ^^M, that's the newline at the end + % of the @verbatim input line itself. Otherwise we get an extra blank + % line in the output. + \xdef\doverbatim#1^^M#2@end verbatim{#2\noexpand\end\gobble verbatim}% + % We really want {...\end verbatim} in the body of the macro, but + % without the active space; thus we have to use \xdef and \gobble. +\endgroup +% +\envdef\verbatim{% + \setupverbatim\doverbatim +} +\let\Everbatim = \afterenvbreak + + +% @verbatiminclude FILE - insert text of file in verbatim environment. +% +\def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude} +% +\def\doverbatiminclude#1{% + {% + \makevalueexpandable + \setupverbatim + \input #1 + \afterenvbreak + }% +} + +% @copying ... @end copying. +% Save the text away for @insertcopying later. Many commands won't be +% allowed in this context, but that's ok. +% +% We save the uninterpreted tokens, rather than creating a box. +% Saving the text in a box would be much easier, but then all the +% typesetting commands (@smallbook, font changes, etc.) have to be done +% beforehand -- and a) we want @copying to be done first in the source +% file; b) letting users define the frontmatter in as flexible order as +% possible is very desirable. +% +\def\copying{\begingroup + % Define a command to swallow text until we reach `@end copying'. + % \ is the escape char in this texinfo.tex file, so it is the + % delimiter for the command; @ will be the escape char when we read + % it, but that doesn't matter. + \long\def\docopying##1\end copying{\gdef\copyingtext{##1}\enddocopying}% + % + % We must preserve ^^M's in the input file; see \insertcopying below. + \catcode`\^^M = \active + \docopying +} + +% What we do to finish off the copying text. +% +\def\enddocopying{\endgroup\ignorespaces} + +% @insertcopying. Here we must play games with ^^M's. On the one hand, +% we need them to delimit commands such as `@end quotation', so they +% must be active. On the other hand, we certainly don't want every +% end-of-line to be a \par, as would happen with the normal active +% definition of ^^M. On the third hand, two ^^M's in a row should still +% generate a \par. +% +% Our approach is to make ^^M insert a space and a penalty1 normally; +% then it can also check if \lastpenalty=1. If it does, then manually +% do \par. +% +% This messes up the normal definitions of @c[omment], so we redefine +% it. Similarly for @ignore. (These commands are used in the gcc +% manual for man page generation.) +% +% Seems pretty fragile, most line-oriented commands will presumably +% fail, but for the limited use of getting the copying text (which +% should be quite simple) inserted, we can hope it's ok. +% +{\catcode`\^^M=\active % +\gdef\insertcopying{\begingroup % + \parindent = 0pt % looks wrong on title page + \def^^M{% + \ifnum \lastpenalty=1 % + \par % + \else % + \space \penalty 1 % + \fi % + }% + % + % Fix @c[omment] for catcode 13 ^^M's. + \def\c##1^^M{\ignorespaces}% + \let\comment = \c % + % + % Don't bother jumping through all the hoops that \doignore does, it + % would be very hard since the catcodes are already set. + \long\def\ignore##1\end ignore{\ignorespaces}% + % + \copyingtext % +\endgroup}% +} + +\message{defuns,} +% @defun etc. + +\newskip\defbodyindent \defbodyindent=.4in +\newskip\defargsindent \defargsindent=50pt +\newskip\deflastargmargin \deflastargmargin=18pt + +% Start the processing of @deffn: +\def\startdefun{% + \ifnum\lastpenalty<10000 + \medbreak + \else + % If there are two @def commands in a row, we'll have a \nobreak, + % which is there to keep the function description together with its + % header. But if there's nothing but headers, we need to allow a + % break somewhere. Check for penalty 10002 (inserted by + % \defargscommonending) instead of 10000, since the sectioning + % commands insert a \penalty10000, and we don't want to allow a break + % between a section heading and a defun. + \ifnum\lastpenalty=10002 \penalty2000 \fi + % + % Similarly, after a section heading, do not allow a break. + % But do insert the glue. + \medskip % preceded by discardable penalty, so not a breakpoint + \fi + % + \parindent=0in + \advance\leftskip by \defbodyindent + \exdentamount=\defbodyindent +} + +\def\dodefunx#1{% + % First, check whether we are in the right environment: + \checkenv#1% + % + % As above, allow line break if we have multiple x headers in a row. + % It's not a great place, though. + \ifnum\lastpenalty=10002 \penalty3000 \fi + % + % And now, it's time to reuse the body of the original defun: + \expandafter\gobbledefun#1% +} +\def\gobbledefun#1\startdefun{} + +% \printdefunline \deffnheader{text} +% +\def\printdefunline#1#2{% + \begingroup + % call \deffnheader: + #1#2 \endheader + % common ending: + \interlinepenalty = 10000 + \advance\rightskip by 0pt plus 1fil + \endgraf + \nobreak\vskip -\parskip + \penalty 10002 % signal to \startdefun and \dodefunx + % Some of the @defun-type tags do not enable magic parentheses, + % rendering the following check redundant. But we don't optimize. + \checkparencounts + \endgroup +} + +\def\Edefun{\endgraf\medbreak} + +% \makedefun{deffn} creates \deffn, \deffnx and \Edeffn; +% the only thing remainnig is to define \deffnheader. +% +\def\makedefun#1{% + \expandafter\let\csname E#1\endcsname = \Edefun + \edef\temp{\noexpand\domakedefun + \makecsname{#1}\makecsname{#1x}\makecsname{#1header}}% + \temp +} + +% \domakedefun \deffn \deffnx \deffnheader +% +% Define \deffn and \deffnx, without parameters. +% \deffnheader has to be defined explicitly. +% +\def\domakedefun#1#2#3{% + \envdef#1{% + \startdefun + \parseargusing\activeparens{\printdefunline#3}% + }% + \def#2{\dodefunx#1}% + \def#3% +} + +%%% Untyped functions: + +% @deffn category name args +\makedefun{deffn}{\deffngeneral{}} + +% @deffn category class name args +\makedefun{defop}#1 {\defopon{#1\ \putwordon}} + +% \defopon {category on}class name args +\def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } + +% \deffngeneral {subind}category name args +% +\def\deffngeneral#1#2 #3 #4\endheader{% + % Remember that \dosubin{fn}{xxx}{} is equivalent to \doind{fn}{xxx}. + \dosubind{fn}{\code{#3}}{#1}% + \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}% +} + +%%% Typed functions: + +% @deftypefn category type name args +\makedefun{deftypefn}{\deftypefngeneral{}} + +% @deftypeop category class type name args +\makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}} + +% \deftypeopon {category on}class type name args +\def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } + +% \deftypefngeneral {subind}category type name args +% +\def\deftypefngeneral#1#2 #3 #4 #5\endheader{% + \dosubind{fn}{\code{#4}}{#1}% + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% +} + +%%% Typed variables: + +% @deftypevr category type var args +\makedefun{deftypevr}{\deftypecvgeneral{}} + +% @deftypecv category class type var args +\makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}} + +% \deftypecvof {category of}class type var args +\def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} } + +% \deftypecvgeneral {subind}category type var args +% +\def\deftypecvgeneral#1#2 #3 #4 #5\endheader{% + \dosubind{vr}{\code{#4}}{#1}% + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% +} + +%%% Untyped variables: + +% @defvr category var args +\makedefun{defvr}#1 {\deftypevrheader{#1} {} } + +% @defcv category class var args +\makedefun{defcv}#1 {\defcvof{#1\ \putwordof}} + +% \defcvof {category of}class var args +\def\defcvof#1#2 {\deftypecvof{#1}#2 {} } + +%%% Type: +% @deftp category name args +\makedefun{deftp}#1 #2 #3\endheader{% + \doind{tp}{\code{#2}}% + \defname{#1}{}{#2}\defunargs{#3\unskip}% +} + +% Remaining @defun-like shortcuts: +\makedefun{defun}{\deffnheader{\putwordDeffunc} } +\makedefun{defmac}{\deffnheader{\putwordDefmac} } +\makedefun{defspec}{\deffnheader{\putwordDefspec} } +\makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} } +\makedefun{defvar}{\defvrheader{\putwordDefvar} } +\makedefun{defopt}{\defvrheader{\putwordDefopt} } +\makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} } +\makedefun{defmethod}{\defopon\putwordMethodon} +\makedefun{deftypemethod}{\deftypeopon\putwordMethodon} +\makedefun{defivar}{\defcvof\putwordInstanceVariableof} +\makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof} + +% \defname, which formats the name of the @def (not the args). +% #1 is the category, such as "Function". +% #2 is the return type, if any. +% #3 is the function name. +% +% We are followed by (but not passed) the arguments, if any. +% +\def\defname#1#2#3{% + % Get the values of \leftskip and \rightskip as they were outside the @def... + \advance\leftskip by -\defbodyindent + % + % How we'll format the type name. Putting it in brackets helps + % distinguish it from the body text that may end up on the next line + % just below it. + \def\temp{#1}% + \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi} + % + % Figure out line sizes for the paragraph shape. + % The first line needs space for \box0; but if \rightskip is nonzero, + % we need only space for the part of \box0 which exceeds it: + \dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip + % The continuations: + \dimen2=\hsize \advance\dimen2 by -\defargsindent + % (plain.tex says that \dimen1 should be used only as global.) + \parshape 2 0in \dimen0 \defargsindent \dimen2 + % + % Put the type name to the right margin. + \noindent + \hbox to 0pt{% + \hfil\box0 \kern-\hsize + % \hsize has to be shortened this way: + \kern\leftskip + % Intentionally do not respect \rightskip, since we need the space. + }% + % + % Allow all lines to be underfull without complaint: + \tolerance=10000 \hbadness=10000 + \exdentamount=\defbodyindent + {% + % defun fonts. We use typewriter by default (used to be bold) because: + % . we're printing identifiers, they should be in tt in principle. + % . in languages with many accents, such as Czech or French, it's + % common to leave accents off identifiers. The result looks ok in + % tt, but exceedingly strange in rm. + % . we don't want -- and --- to be treated as ligatures. + % . this still does not fix the ?` and !` ligatures, but so far no + % one has made identifiers using them :). + \df \tt + \def\temp{#2}% return value type + \ifx\temp\empty\else \tclose{\temp} \fi + #3% output function name + }% + {\rm\enskip}% hskip 0.5 em of \tenrm + % + \boldbrax + % arguments will be output next, if any. +} + +% Print arguments in slanted typewriter, prevent hyphenation at `-' chars. +% +\def\defunargs#1{% + % use sl by default (not ttsl), inconsistently with using tt for the + % name. This is because literal text is sometimes needed in the + % argument list (groff manual), and ttsl and tt are not very + % distinguishable. + % tt for the names. + \df \sl \hyphenchar\font=0 + % On the other hand, if an argument has two dashes (for instance), we + % want a way to get ttsl. Let's try @var for that. + \let\var=\ttslanted + #1% + \sl\hyphenchar\font=45 +} + +% We want ()&[] to print specially on the defun line. +% +\def\activeparens{% + \catcode`\(=\active \catcode`\)=\active + \catcode`\[=\active \catcode`\]=\active + \catcode`\&=\active +} + +% Make control sequences which act like normal parenthesis chars. +\let\lparen = ( \let\rparen = ) + +% Be sure that we always have a definition for `(', etc. For example, +% if the fn name has parens in it, \boldbrax will not be in effect yet, +% so TeX would otherwise complain about undefined control sequence. +{ + \activeparens + \global\let(=\lparen \global\let)=\rparen + \global\let[=\lbrack \global\let]=\rbrack + \global\let& = \& + + \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb} + \gdef\magicamp{\let&=\amprm} +} + +\newcount\parencount + +% If we encounter &foo, then turn on ()-hacking afterwards +\newif\ifampseen +\def\amprm#1 {\ampseentrue{\bf\ }} + +\def\parenfont{% + \ifampseen + % At the first level, print parens in roman, + % otherwise use the default font. + \ifnum \parencount=1 \rm \fi + \else + % The \sf parens (in \boldbrax) actually are a little bolder than + % the contained text. This is especially needed for [ and ] . + \sf + \fi +} +\def\infirstlevel#1{% + \ifampseen + \ifnum\parencount=1 + #1% + \fi + \fi +} +\def\bfafterword#1 {#1 \bf} + +\def\opnr{% + \global\advance\parencount by 1 + {\parenfont(}% + \infirstlevel \bfafterword +} +\def\clnr{% + {\parenfont)}% + \infirstlevel \sl + \global\advance\parencount by -1 +} + +\newcount\brackcount +\def\lbrb{% + \global\advance\brackcount by 1 + {\bf[}% +} +\def\rbrb{% + {\bf]}% + \global\advance\brackcount by -1 +} + +\def\checkparencounts{% + \ifnum\parencount=0 \else \badparencount \fi + \ifnum\brackcount=0 \else \badbrackcount \fi +} +\def\badparencount{% + \errmessage{Unbalanced parentheses in @def}% + \global\parencount=0 +} +\def\badbrackcount{% + \errmessage{Unbalanced square braces in @def}% + \global\brackcount=0 +} + + +\message{macros,} +% @macro. + +% To do this right we need a feature of e-TeX, \scantokens, +% which we arrange to emulate with a temporary file in ordinary TeX. +\ifx\eTeXversion\undefined + \newwrite\macscribble + \def\scantokens#1{% + \toks0={#1\endinput}% + \immediate\openout\macscribble=\jobname.tmp + \immediate\write\macscribble{\the\toks0}% + \immediate\closeout\macscribble + \input \jobname.tmp + } +\fi + +\def\scanmacro#1{% + \begingroup + \newlinechar`\^^M + \let\xeatspaces\eatspaces + % Undo catcode changes of \startcontents and \doprintindex + \catcode`\@=0 \catcode`\\=\other \escapechar=`\@ + % ... and \example + \spaceisspace + % + % Append \endinput to make sure that TeX does not see the ending newline. + % + % I've verified that it is necessary both for e-TeX and for ordinary TeX + % --kasal, 29nov03 + \scantokens{#1\endinput}% + \endgroup +} + +\newcount\paramno % Count of parameters +\newtoks\macname % Macro name +\newif\ifrecursive % Is it recursive? +\def\macrolist{} % List of all defined macros in the form + % \do\macro1\do\macro2... + +% Utility routines. +% This does \let #1 = #2, except with \csnames. +\def\cslet#1#2{% +\expandafter\expandafter +\expandafter\let +\expandafter\expandafter +\csname#1\endcsname +\csname#2\endcsname} + +% Trim leading and trailing spaces off a string. +% Concepts from aro-bend problem 15 (see CTAN). +{\catcode`\@=11 +\gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }} +\gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@} +\gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @} +\def\unbrace#1{#1} +\unbrace{\gdef\trim@@@ #1 } #2@{#1} +} + +% Trim a single trailing ^^M off a string. +{\catcode`\^^M=\other \catcode`\Q=3% +\gdef\eatcr #1{\eatcra #1Q^^MQ}% +\gdef\eatcra#1^^MQ{\eatcrb#1Q}% +\gdef\eatcrb#1Q#2Q{#1}% +} + +% Macro bodies are absorbed as an argument in a context where +% all characters are catcode 10, 11 or 12, except \ which is active +% (as in normal texinfo). It is necessary to change the definition of \. + +% It's necessary to have hard CRs when the macro is executed. This is +% done by making ^^M (\endlinechar) catcode 12 when reading the macro +% body, and then making it the \newlinechar in \scanmacro. + +\def\macrobodyctxt{% + \catcode`\~=\other + \catcode`\^=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\+=\other + \catcode`\{=\other + \catcode`\}=\other + \catcode`\@=\other + \catcode`\^^M=\other + \usembodybackslash} + +\def\macroargctxt{% + \catcode`\~=\other + \catcode`\^=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\+=\other + \catcode`\@=\other + \catcode`\\=\other} + +% \mbodybackslash is the definition of \ in @macro bodies. +% It maps \foo\ => \csname macarg.foo\endcsname => #N +% where N is the macro parameter number. +% We define \csname macarg.\endcsname to be \realbackslash, so +% \\ in macro replacement text gets you a backslash. + +{\catcode`@=0 @catcode`@\=@active + @gdef@usembodybackslash{@let\=@mbodybackslash} + @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname} +} +\expandafter\def\csname macarg.\endcsname{\realbackslash} + +\def\macro{\recursivefalse\parsearg\macroxxx} +\def\rmacro{\recursivetrue\parsearg\macroxxx} + +\def\macroxxx#1{% + \getargs{#1}% now \macname is the macname and \argl the arglist + \ifx\argl\empty % no arguments + \paramno=0% + \else + \expandafter\parsemargdef \argl;% + \fi + \if1\csname ismacro.\the\macname\endcsname + \message{Warning: redefining \the\macname}% + \else + \expandafter\ifx\csname \the\macname\endcsname \relax + \else \errmessage{Macro name \the\macname\space already defined}\fi + \global\cslet{macsave.\the\macname}{\the\macname}% + \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% + % Add the macroname to \macrolist + \toks0 = \expandafter{\macrolist\do}% + \xdef\macrolist{\the\toks0 + \expandafter\noexpand\csname\the\macname\endcsname}% + \fi + \begingroup \macrobodyctxt + \ifrecursive \expandafter\parsermacbody + \else \expandafter\parsemacbody + \fi} + +\parseargdef\unmacro{% + \if1\csname ismacro.#1\endcsname + \global\cslet{#1}{macsave.#1}% + \global\expandafter\let \csname ismacro.#1\endcsname=0% + % Remove the macro name from \macrolist: + \begingroup + \expandafter\let\csname#1\endcsname \relax + \let\do\unmacrodo + \xdef\macrolist{\macrolist}% + \endgroup + \else + \errmessage{Macro #1 not defined}% + \fi +} + +% Called by \do from \dounmacro on each macro. The idea is to omit any +% macro definitions that have been changed to \relax. +% +\def\unmacrodo#1{% + \ifx#1\relax + % remove this + \else + \noexpand\do \noexpand #1% + \fi +} + +% This makes use of the obscure feature that if the last token of a +% is #, then the preceding argument is delimited by +% an opening brace, and that opening brace is not consumed. +\def\getargs#1{\getargsxxx#1{}} +\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs} +\def\getmacname #1 #2\relax{\macname={#1}} +\def\getmacargs#1{\def\argl{#1}} + +% Parse the optional {params} list. Set up \paramno and \paramlist +% so \defmacro knows what to do. Define \macarg.blah for each blah +% in the params list, to be ##N where N is the position in that list. +% That gets used by \mbodybackslash (above). + +% We need to get `macro parameter char #' into several definitions. +% The technique used is stolen from LaTeX: let \hash be something +% unexpandable, insert that wherever you need a #, and then redefine +% it to # just before using the token list produced. +% +% The same technique is used to protect \eatspaces till just before +% the macro is used. + +\def\parsemargdef#1;{\paramno=0\def\paramlist{}% + \let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,} +\def\parsemargdefxxx#1,{% + \if#1;\let\next=\relax + \else \let\next=\parsemargdefxxx + \advance\paramno by 1% + \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname + {\xeatspaces{\hash\the\paramno}}% + \edef\paramlist{\paramlist\hash\the\paramno,}% + \fi\next} + +% These two commands read recursive and nonrecursive macro bodies. +% (They're different since rec and nonrec macros end differently.) + +\long\def\parsemacbody#1@end macro% +{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% +\long\def\parsermacbody#1@end rmacro% +{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% + +% This defines the macro itself. There are six cases: recursive and +% nonrecursive macros of zero, one, and many arguments. +% Much magic with \expandafter here. +% \xdef is used so that macro definitions will survive the file +% they're defined in; @include reads the file inside a group. +\def\defmacro{% + \let\hash=##% convert placeholders to macro parameter chars + \ifrecursive + \ifcase\paramno + % 0 + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\scanmacro{\temp}}% + \or % 1 + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\braceorline + \expandafter\noexpand\csname\the\macname xxx\endcsname}% + \expandafter\xdef\csname\the\macname xxx\endcsname##1{% + \egroup\noexpand\scanmacro{\temp}}% + \else % many + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{\egroup\noexpand\scanmacro{\temp}}% + \fi + \else + \ifcase\paramno + % 0 + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \or % 1 + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\braceorline + \expandafter\noexpand\csname\the\macname xxx\endcsname}% + \expandafter\xdef\csname\the\macname xxx\endcsname##1{% + \egroup + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \else % many + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \expandafter\noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{% + \egroup + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \fi + \fi} + +\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}} + +% \braceorline decides whether the next nonwhitespace character is a +% {. If so it reads up to the closing }, if not, it reads the whole +% line. Whatever was read is then fed to the next control sequence +% as an argument (by \parsebrace or \parsearg) +\def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx} +\def\braceorlinexxx{% + \ifx\nchar\bgroup\else + \expandafter\parsearg + \fi \next} + +% We mant to disable all macros during \shipout so that they are not +% expanded by \write. +\def\turnoffmacros{\begingroup \def\do##1{\let\noexpand##1=\relax}% + \edef\next{\macrolist}\expandafter\endgroup\next} + + +% @alias. +% We need some trickery to remove the optional spaces around the equal +% sign. Just make them active and then expand them all to nothing. +\def\alias{\parseargusing\obeyspaces\aliasxxx} +\def\aliasxxx #1{\aliasyyy#1\relax} +\def\aliasyyy #1=#2\relax{% + {% + \expandafter\let\obeyedspace=\empty + \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% + }% + \next +} + + +\message{cross references,} + +\newwrite\auxfile + +\newif\ifhavexrefs % True if xref values are known. +\newif\ifwarnedxrefs % True if we warned once that they aren't known. + +% @inforef is relatively simple. +\def\inforef #1{\inforefzzz #1,,,,**} +\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}}, + node \samp{\ignorespaces#1{}}} + +% @node's only job in TeX is to define \lastnode, which is used in +% cross-references. +\parseargdef\node{\checkenv{}\nodexxx #1,\finishnodeparse} +\def\nodexxx#1,#2\finishnodeparse{\gdef\lastnode{#1}} +\let\nwnode=\node +\let\lastnode=\empty + +% Write a cross-reference definition for the current node. #1 is the +% type (Ynumbered, Yappendix, Ynothing). +% +\def\donoderef#1{% + \ifx\lastnode\empty\else + \setref{\lastnode}{#1}% + \global\let\lastnode=\empty + \fi +} + +% @anchor{NAME} -- define xref target at arbitrary point. +% +\newcount\savesfregister +% +\def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} +\def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} +\def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} + +% \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an +% anchor), which consists of three parts: +% 1) NAME-title - the current sectioning name, taken from \thissection; +% 2) NAME-snt - section number and type, defined as the SNT arg; +% 3) NAME-pg - the page number. +% This is called from \donoderef, \anchor, and \dofloat. +% +% We take care not to fully expand the title, since it may contain +% arbitrary macros. +% +% Use \turnoffactive so that punctuation chars such as underscore +% and backslash work in node names. +% +\def\setref#1#2{% + \pdfmkdest{#1}% + \iflinks + {% + \atdummies % preserve commands, but don't expand them + \turnoffactive + \otherbackslash + \edef\writexrdef##1##2{% + \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef + ##1}{##2}}% these are parameters of \writexrdef + }% + \toks0 = \expandafter{\thissection}% + \immediate \writexrdef{title}{\the\toks0 }% + \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc. + \writexrdef{pg}{\folio}% will be written later, during \shipout + }% + \fi +} + +% @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is +% the node name, #2 the name of the Info cross-reference, #3 the printed +% node name, #4 the name of the Info file, #5 the name of the printed +% manual. All but the node name can be omitted. +% +\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]} +\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]} +\def\ref#1{\xrefX[#1,,,,,,,]} +\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup + \unsepspaces + \def\printedmanual{\ignorespaces #5}% + \def\printedrefname{\ignorespaces #3}% + \setbox1=\hbox{\printedmanual\unskip}% + \setbox0=\hbox{\printedrefname\unskip}% + \ifdim \wd0 = 0pt + % No printed node name was explicitly given. + \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax + % Use the node name inside the square brackets. + \def\printedrefname{\ignorespaces #1}% + \else + % Use the actual chapter/section title appear inside + % the square brackets. Use the real section title if we have it. + \ifdim \wd1 > 0pt + % It is in another manual, so we don't have it. + \def\printedrefname{\ignorespaces #1}% + \else + \ifhavexrefs + % We know the real title if we have the xref values. + \def\printedrefname{\refx{#1-title}{}}% + \else + % Otherwise just copy the Info node name. + \def\printedrefname{\ignorespaces #1}% + \fi% + \fi + \fi + \fi + % + % Make link in pdf output. + \ifpdf + \leavevmode + \getfilename{#4}% + {\turnoffactive \otherbackslash + \ifnum\filenamelength>0 + \startlink attr{/Border [0 0 0]}% + goto file{\the\filename.pdf} name{#1}% + \else + \startlink attr{/Border [0 0 0]}% + goto name{\pdfmkpgn{#1}}% + \fi + }% + \linkcolor + \fi + % + % Float references are printed completely differently: "Figure 1.2" + % instead of "[somenode], p.3". We distinguish them by the + % LABEL-title being set to a magic string. + {% + % Have to otherify everything special to allow the \csname to + % include an _ in the xref name, etc. + \indexnofonts + \turnoffactive + \otherbackslash + \expandafter\global\expandafter\let\expandafter\Xthisreftitle + \csname X#1-title\endcsname + }% + \ifx \Xthisreftitle \floatmagic + % If the user specified the print name (third arg) to the ref, + % print it instead of our usual "Figure 1.2". + \ifdim\wd0 = 0pt + \refx{#1-snt}% + \else + \printedrefname + \fi + % + % if the user also gave the printed manual name (fifth arg), append + % "in MANUALNAME". + \ifdim \wd1 > 0pt + \space \putwordin{} \cite{\printedmanual}% + \fi + \else + % node/anchor (non-float) references. + % + % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not + % insert empty discretionaries after hyphens, which means that it will + % not find a line break at a hyphen in a node names. Since some manuals + % are best written with fairly long node names, containing hyphens, this + % is a loss. Therefore, we give the text of the node name again, so it + % is as if TeX is seeing it for the first time. + \ifdim \wd1 > 0pt + \putwordsection{} ``\printedrefname'' \putwordin{} \cite{\printedmanual}% + \else + % _ (for example) has to be the character _ for the purposes of the + % control sequence corresponding to the node, but it has to expand + % into the usual \leavevmode...\vrule stuff for purposes of + % printing. So we \turnoffactive for the \refx-snt, back on for the + % printing, back off for the \refx-pg. + {\turnoffactive \otherbackslash + % Only output a following space if the -snt ref is nonempty; for + % @unnumbered and @anchor, it won't be. + \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% + \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi + }% + % output the `[mynode]' via a macro so it can be overridden. + \xrefprintnodename\printedrefname + % + % But we always want a comma and a space: + ,\space + % + % output the `page 3'. + \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}% + \fi + \fi + \endlink +\endgroup} + +% This macro is called from \xrefX for the `[nodename]' part of xref +% output. It's a separate macro only so it can be changed more easily, +% since square brackets don't work well in some documents. Particularly +% one that Bob is working on :). +% +\def\xrefprintnodename#1{[#1]} + +% Things referred to by \setref. +% +\def\Ynothing{} +\def\Yomitfromtoc{} +\def\Ynumbered{% + \ifnum\secno=0 + \putwordChapter@tie \the\chapno + \else \ifnum\subsecno=0 + \putwordSection@tie \the\chapno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno + \else + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} +\def\Yappendix{% + \ifnum\secno=0 + \putwordAppendix@tie @char\the\appendixno{}% + \else \ifnum\subsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno + \else + \putwordSection@tie + @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} + +% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME. +% If its value is nonempty, SUFFIX is output afterward. +% +\def\refx#1#2{% + {% + \indexnofonts + \otherbackslash + \expandafter\global\expandafter\let\expandafter\thisrefX + \csname X#1\endcsname + }% + \ifx\thisrefX\relax + % If not defined, say something at least. + \angleleft un\-de\-fined\angleright + \iflinks + \ifhavexrefs + \message{\linenumber Undefined cross reference `#1'.}% + \else + \ifwarnedxrefs\else + \global\warnedxrefstrue + \message{Cross reference values unknown; you must run TeX again.}% + \fi + \fi + \fi + \else + % It's defined, so just use it. + \thisrefX + \fi + #2% Output the suffix in any case. +} + +% This is the macro invoked by entries in the aux file. +% +\def\xrdef#1{\expandafter\gdef\csname X#1\endcsname} + +% Read the last existing aux file, if any. No error if none exists. +% +\def\tryauxfile{% + \openin 1 \jobname.aux + \ifeof 1 \else + \readauxfile + \global\havexrefstrue + \fi + \closein 1 +} + +\def\readauxfile{\begingroup + \catcode`\^^@=\other + \catcode`\^^A=\other + \catcode`\^^B=\other + \catcode`\^^C=\other + \catcode`\^^D=\other + \catcode`\^^E=\other + \catcode`\^^F=\other + \catcode`\^^G=\other + \catcode`\^^H=\other + \catcode`\^^K=\other + \catcode`\^^L=\other + \catcode`\^^N=\other + \catcode`\^^P=\other + \catcode`\^^Q=\other + \catcode`\^^R=\other + \catcode`\^^S=\other + \catcode`\^^T=\other + \catcode`\^^U=\other + \catcode`\^^V=\other + \catcode`\^^W=\other + \catcode`\^^X=\other + \catcode`\^^Z=\other + \catcode`\^^[=\other + \catcode`\^^\=\other + \catcode`\^^]=\other + \catcode`\^^^=\other + \catcode`\^^_=\other + % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc. + % in xref tags, i.e., node names. But since ^^e4 notation isn't + % supported in the main text, it doesn't seem desirable. Furthermore, + % that is not enough: for node names that actually contain a ^ + % character, we would end up writing a line like this: 'xrdef {'hat + % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first + % argument, and \hat is not an expandable control sequence. It could + % all be worked out, but why? Either we support ^^ or we don't. + % + % The other change necessary for this was to define \auxhat: + % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter + % and then to call \auxhat in \setq. + % + \catcode`\^=\other + % + % Special characters. Should be turned off anyway, but... + \catcode`\~=\other + \catcode`\[=\other + \catcode`\]=\other + \catcode`\"=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\$=\other + \catcode`\#=\other + \catcode`\&=\other + \catcode`\%=\other + \catcode`+=\other % avoid \+ for paranoia even though we've turned it off + % + % Make the characters 128-255 be printing characters + {% + \count 1=128 + \def\loop{% + \catcode\count 1=\other + \advance\count 1 by 1 + \ifnum \count 1<256 \loop \fi + }% + }% + % + % @ is our escape character in .aux files. + \catcode`\{=1 + \catcode`\}=2 + \catcode`\@=0 + % + \input \jobname.aux +\endgroup} + + +\message{insertions,} +% including footnotes. + +\newcount \footnoteno + +% The trailing space in the following definition for supereject is +% vital for proper filling; pages come out unaligned when you do a +% pagealignmacro call if that space before the closing brace is +% removed. (Generally, numeric constants should always be followed by a +% space to prevent strange expansion errors.) +\def\supereject{\par\penalty -20000\footnoteno =0 } + +% @footnotestyle is meaningful for info output only. +\let\footnotestyle=\comment + +{\catcode `\@=11 +% +% Auto-number footnotes. Otherwise like plain. +\gdef\footnote{% + \let\indent=\ptexindent + \let\noindent=\ptexnoindent + \global\advance\footnoteno by \@ne + \edef\thisfootno{$^{\the\footnoteno}$}% + % + % In case the footnote comes at the end of a sentence, preserve the + % extra spacing after we do the footnote number. + \let\@sf\empty + \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi + % + % Remove inadvertent blank space before typesetting the footnote number. + \unskip + \thisfootno\@sf + \dofootnote +}% + +% Don't bother with the trickery in plain.tex to not require the +% footnote text as a parameter. Our footnotes don't need to be so general. +% +% Oh yes, they do; otherwise, @ifset (and anything else that uses +% \parseargline) fails inside footnotes because the tokens are fixed when +% the footnote is read. --karl, 16nov96. +% +\gdef\dofootnote{% + \insert\footins\bgroup + % We want to typeset this text as a normal paragraph, even if the + % footnote reference occurs in (for example) a display environment. + % So reset some parameters. + \hsize=\pagewidth + \interlinepenalty\interfootnotelinepenalty + \splittopskip\ht\strutbox % top baseline for broken footnotes + \splitmaxdepth\dp\strutbox + \floatingpenalty\@MM + \leftskip\z@skip + \rightskip\z@skip + \spaceskip\z@skip + \xspaceskip\z@skip + \parindent\defaultparindent + % + \smallfonts \rm + % + % Because we use hanging indentation in footnotes, a @noindent appears + % to exdent this text, so make it be a no-op. makeinfo does not use + % hanging indentation so @noindent can still be needed within footnote + % text after an @example or the like (not that this is good style). + \let\noindent = \relax + % + % Hang the footnote text off the number. Use \everypar in case the + % footnote extends for more than one paragraph. + \everypar = {\hang}% + \textindent{\thisfootno}% + % + % Don't crash into the line above the footnote text. Since this + % expands into a box, it must come within the paragraph, lest it + % provide a place where TeX can split the footnote. + \footstrut + \futurelet\next\fo@t +} +}%end \catcode `\@=11 + +% In case a @footnote appears in a vbox, save the footnote text and create +% the real \insert just after the vbox finished. Otherwise, the insertion +% would be lost. +% Similarily, if a @footnote appears inside an alignment, save the footnote +% text to a box and make the \insert when a row of the table is finished. +% And the same can be done for other insert classes. --kasal, 16nov03. + +% Replace the \insert primitive by a cheating macro. +% Deeper inside, just make sure that the saved insertions are not spilled +% out prematurely. +% +\def\startsavinginserts{% + \ifx \insert\ptexinsert + \let\insert\saveinsert + \else + \let\checkinserts\relax + \fi +} + +% This \insert replacements works for both \insert\footins{foo} and +% \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}. +% +\def\saveinsert#1{% + \edef\next{\noexpand\savetobox \makeSAVEname#1}% + \afterassignment\next + % swallow the left brace + \let\temp = +} +\def\makeSAVEname#1{\makecsname{SAVE\expandafter\gobble\string#1}} +\def\savetobox#1{\global\setbox#1 = \vbox\bgroup \unvbox#1} + +\def\checksaveins#1{\ifvoid#1\else \placesaveins#1\fi} + +\def\placesaveins#1{% + \ptexinsert \csname\expandafter\gobblesave\string#1\endcsname + {\box#1}% +} + +% eat @SAVE -- beware, all of them have catcode \other: +{ + \def\dospecials{\do S\do A\do V\do E} \uncatcodespecials % ;-) + \gdef\gobblesave @SAVE{} +} + +% initialization: +\def\newsaveins #1{% + \edef\next{\noexpand\newsaveinsX \makeSAVEname#1}% + \next +} +\def\newsaveinsX #1{% + \csname newbox\endcsname #1% + \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts + \checksaveins #1}% +} + +% initialize: +\let\checkinserts\empty +\newsaveins\footins +\newsaveins\margin + + +% @image. We use the macros from epsf.tex to support this. +% If epsf.tex is not installed and @image is used, we complain. +% +% Check for and read epsf.tex up front. If we read it only at @image +% time, we might be inside a group, and then its definitions would get +% undone and the next image would fail. +\openin 1 = epsf.tex +\ifeof 1 \else + % Do not bother showing banner with epsf.tex v2.7k (available in + % doc/epsf.tex and on ctan). + \def\epsfannounce{\toks0 = }% + \input epsf.tex +\fi +\closein 1 +% +% We will only complain once about lack of epsf.tex. +\newif\ifwarnednoepsf +\newhelp\noepsfhelp{epsf.tex must be installed for images to + work. It is also included in the Texinfo distribution, or you can get + it from ftp://tug.org/tex/epsf.tex.} +% +\def\image#1{% + \ifx\epsfbox\undefined + \ifwarnednoepsf \else + \errhelp = \noepsfhelp + \errmessage{epsf.tex not found, images will be ignored}% + \global\warnednoepsftrue + \fi + \else + \imagexxx #1,,,,,\finish + \fi +} +% +% Arguments to @image: +% #1 is (mandatory) image filename; we tack on .eps extension. +% #2 is (optional) width, #3 is (optional) height. +% #4 is (ignored optional) html alt text. +% #5 is (ignored optional) extension. +% #6 is just the usual extra ignored arg for parsing this stuff. +\newif\ifimagevmode +\def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup + \catcode`\^^M = 5 % in case we're inside an example + \normalturnoffactive % allow _ et al. in names + % If the image is by itself, center it. + \ifvmode + \imagevmodetrue + \nobreak\bigskip + % Usually we'll have text after the image which will insert + % \parskip glue, so insert it here too to equalize the space + % above and below. + \nobreak\vskip\parskip + \nobreak + \line\bgroup\hss + \fi + % + % Output the image. + \ifpdf + \dopdfimage{#1}{#2}{#3}% + \else + % \epsfbox itself resets \epsf?size at each figure. + \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi + \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi + \epsfbox{#1.eps}% + \fi + % + \ifimagevmode \hss \egroup \bigbreak \fi % space after the image +\endgroup} + + +% @float FLOATTYPE,LOC ... @end float for displayed figures, tables, etc. +% We don't actually implement floating yet, we just plop the float "here". +% But it seemed the best name for the future. +% +\envparseargdef\float{\dofloat #1,,,\finish} + +% #1 is the optional FLOATTYPE, the text label for this float, typically +% "Figure", "Table", "Example", etc. Can't contain commas. If omitted, +% this float will not be numbered and cannot be referred to. +% +% #2 is the optional xref label. Also must be present for the float to +% be referable. +% +% #3 is the optional positioning argument; for now, it is ignored. It +% will somehow specify the positions allowed to float to (here, top, bottom). +% +% We keep a separate counter for each FLOATTYPE, which we reset at each +% chapter-level command. +\let\resetallfloatnos=\empty +% +\def\dofloat#1,#2,#3,#4\finish{% + % don't lose footnotes inside @float. + \startsavinginserts + % + \vtop\bgroup + \def\floattype{#1}% + \def\floatlabel{#2}% + \def\floatloc{#3}% we do nothing with this yet. + % xx should we indent the whole thing? center it? + % + \ifx\floattype\empty \else + {% + % the floattype might have accents or other special characters, + % but we need to use it in a control sequence name. + \indexnofonts + \turnoffactive + \xdef\safefloattype{\floattype}% + }% + % We want each FLOATTYPE to be numbered separately (Figure 1, + % Table 1, Figure 2, ...). + % + \expandafter\getfloatno\csname\safefloattype floatno\endcsname + \global\advance\floatno by 1 + % + \ifx\floatlabel\empty \else + {% + % This magic value for \thissection is output by \setref as the + % XREFLABEL-title value. \xrefX uses it to distinguish float + % labels (which have a completely different output format) from + % node and anchor labels. + % + \let\thissection=\floatmagic + \setref{\floatlabel}{Yfloat}% + }% + \fi + \fi +} + +% we have four possibilities: +% @float Foo & @caption{Cap}: Foo 1.1: Cap +% @float Foo & no caption: Foo 1.1 +% @float & @caption{Cap}: Cap +% @float & no caption: +% +\def\Efloat{% + \let\printedsomething = \empty + % + \ifx\floattype\empty \else + \vskip.5\parskip % space above caption + % + % Print the float number preceded by the chapter-level number + % (empty in the case of unnumbered). Although there are other + % styles of float numbering, we hardwire this one. + \floattype\space\chaplevelprefix\the\floatno + \let\printedsomething = t% + \fi + % + \ifx\thiscaption\empty \else + \ifx\printedsomething\empty + \vskip.5\parskip % space above caption + \else + :\space % had a number, so print a colon before the caption. + \fi + % + % Print caption text. + \thiscaption + \let\printedsomething = t% + \fi + % + % Space below caption, if we printed anything. + \ifx\printedsomething\empty \else \vskip\parskip \fi + % + \egroup % end of \vtop + \checkinserts +} + +\def\caption#1{\checkenv\float \def\thiscaption{#1}} +\def\shortcaption#1{\checkenv\float \def\thisshortcaption{#1}} +\let\thiscaption=\empty +\let\thisshortcaption=\empty + +% The parameter is the control sequence identifying the counter we are +% going to use. Create it if it doesn't exist and assign it to \floatno. +\def\getfloatno#1{% + \ifx#1\relax + % Haven't seen this figure type before. + \csname newcount\endcsname #1% + % + % Remember to reset this floatno at the next chap. + \expandafter\gdef\expandafter\resetallfloatnos + \expandafter{\resetallfloatnos #1=0 }% + \fi + \let\floatno#1% +} + +% \setref calls this to get the XREFLABEL-snt value. We want an @xref +% to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we +% first read the @float command. +% +\def\Yfloat{\floattype @tie{}\chaplevelprefix\the\floatno}% + +% Magic string used for the XREFLABEL-title value, so \xrefX can +% distinguish floats from other xref types. +\def\floatmagic{!!float!!} + +% @listoffloats FLOATTYPE - print a list of floats like a table of contents. +\parseargdef\listoffloats{%xx +} + + +\message{localization,} +% and i18n. + +% @documentlanguage is usually given very early, just after +% @setfilename. If done too late, it may not override everything +% properly. Single argument is the language abbreviation. +% It would be nice if we could set up a hyphenation file here. +% +\parseargdef\documentlanguage{% + \tex % read txi-??.tex file in plain TeX. + % Read the file if it exists. + \openin 1 txi-#1.tex + \ifeof 1 + \errhelp = \nolanghelp + \errmessage{Cannot read language file txi-#1.tex}% + \else + \input txi-#1.tex + \fi + \closein 1 + \endgroup +} +\newhelp\nolanghelp{The given language definition file cannot be found or +is empty. Maybe you need to install it? In the current directory +should work if nowhere else does.} + + +% @documentencoding should change something in TeX eventually, most +% likely, but for now just recognize it. +\let\documentencoding = \comment + + +% Page size parameters. +% +\newdimen\defaultparindent \defaultparindent = 15pt + +\chapheadingskip = 15pt plus 4pt minus 2pt +\secheadingskip = 12pt plus 3pt minus 2pt +\subsecheadingskip = 9pt plus 2pt minus 2pt + +% Prevent underfull vbox error messages. +\vbadness = 10000 + +% Don't be so finicky about underfull hboxes, either. +\hbadness = 2000 + +% Following George Bush, just get rid of widows and orphans. +\widowpenalty=10000 +\clubpenalty=10000 + +% Use TeX 3.0's \emergencystretch to help line breaking, but if we're +% using an old version of TeX, don't do anything. We want the amount of +% stretch added to depend on the line length, hence the dependence on +% \hsize. We call this whenever the paper size is set. +% +\def\setemergencystretch{% + \ifx\emergencystretch\thisisundefined + % Allow us to assign to \emergencystretch anyway. + \def\emergencystretch{\dimen0}% + \else + \emergencystretch = .15\hsize + \fi +} + +% Parameters in order: 1) textheight; 2) textwidth; 3) voffset; +% 4) hoffset; 5) binding offset; 6) topskip; 7) physical page height; 8) +% physical page width. +% +% We also call \setleading{\textleading}, so the caller should define +% \textleading. The caller should also set \parskip. +% +\def\internalpagesizes#1#2#3#4#5#6#7#8{% + \voffset = #3\relax + \topskip = #6\relax + \splittopskip = \topskip + % + \vsize = #1\relax + \advance\vsize by \topskip + \outervsize = \vsize + \advance\outervsize by 2\topandbottommargin + \pageheight = \vsize + % + \hsize = #2\relax + \outerhsize = \hsize + \advance\outerhsize by 0.5in + \pagewidth = \hsize + % + \normaloffset = #4\relax + \bindingoffset = #5\relax + % + \ifpdf + \pdfpageheight #7\relax + \pdfpagewidth #8\relax + \fi + % + \setleading{\textleading} + % + \parindent = \defaultparindent + \setemergencystretch +} + +% @letterpaper (the default). +\def\letterpaper{{\globaldefs = 1 + \parskip = 3pt plus 2pt minus 1pt + \textleading = 13.2pt + % + % If page is nothing but text, make it come out even. + \internalpagesizes{46\baselineskip}{6in}% + {\voffset}{.25in}% + {\bindingoffset}{36pt}% + {11in}{8.5in}% +}} + +% Use @smallbook to reset parameters for 7x9.5 (or so) format. +\def\smallbook{{\globaldefs = 1 + \parskip = 2pt plus 1pt + \textleading = 12pt + % + \internalpagesizes{7.5in}{5in}% + {\voffset}{.25in}% + {\bindingoffset}{16pt}% + {9.25in}{7in}% + % + \lispnarrowing = 0.3in + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = .5cm +}} + +% Use @afourpaper to print on European A4 paper. +\def\afourpaper{{\globaldefs = 1 + \parskip = 3pt plus 2pt minus 1pt + \textleading = 13.2pt + % + % Double-side printing via postscript on Laserjet 4050 + % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. + % To change the settings for a different printer or situation, adjust + % \normaloffset until the front-side and back-side texts align. Then + % do the same for \bindingoffset. You can set these for testing in + % your texinfo source file like this: + % @tex + % \global\normaloffset = -6mm + % \global\bindingoffset = 10mm + % @end tex + \internalpagesizes{51\baselineskip}{160mm} + {\voffset}{\hoffset}% + {\bindingoffset}{44pt}% + {297mm}{210mm}% + % + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = 5mm +}} + +% Use @afivepaper to print on European A5 paper. +% From romildo@urano.iceb.ufop.br, 2 July 2000. +% He also recommends making @example and @lisp be small. +\def\afivepaper{{\globaldefs = 1 + \parskip = 2pt plus 1pt minus 0.1pt + \textleading = 12.5pt + % + \internalpagesizes{160mm}{120mm}% + {\voffset}{\hoffset}% + {\bindingoffset}{8pt}% + {210mm}{148mm}% + % + \lispnarrowing = 0.2in + \tolerance = 800 + \hfuzz = 1.2pt + \contentsrightmargin = 0pt + \defbodyindent = 2mm + \tableindent = 12mm +}} + +% A specific text layout, 24x15cm overall, intended for A4 paper. +\def\afourlatex{{\globaldefs = 1 + \afourpaper + \internalpagesizes{237mm}{150mm}% + {\voffset}{4.6mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% + % + % Must explicitly reset to 0 because we call \afourpaper. + \globaldefs = 0 +}} + +% Use @afourwide to print on A4 paper in landscape format. +\def\afourwide{{\globaldefs = 1 + \afourpaper + \internalpagesizes{241mm}{165mm}% + {\voffset}{-2.95mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% + \globaldefs = 0 +}} + +% @pagesizes TEXTHEIGHT[,TEXTWIDTH] +% Perhaps we should allow setting the margins, \topskip, \parskip, +% and/or leading, also. Or perhaps we should compute them somehow. +% +\parseargdef\pagesizes{\pagesizesyyy #1,,\finish} +\def\pagesizesyyy#1,#2,#3\finish{{% + \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi + \globaldefs = 1 + % + \parskip = 3pt plus 2pt minus 1pt + \setleading{\textleading}% + % + \dimen0 = #1 + \advance\dimen0 by \voffset + % + \dimen2 = \hsize + \advance\dimen2 by \normaloffset + % + \internalpagesizes{#1}{\hsize}% + {\voffset}{\normaloffset}% + {\bindingoffset}{44pt}% + {\dimen0}{\dimen2}% +}} + +% Set default to letter. +% +\letterpaper + + +\message{and turning on texinfo input format.} + +% Define macros to output various characters with catcode for normal text. +\catcode`\"=\other +\catcode`\~=\other +\catcode`\^=\other +\catcode`\_=\other +\catcode`\|=\other +\catcode`\<=\other +\catcode`\>=\other +\catcode`\+=\other +\catcode`\$=\other +\def\normaldoublequote{"} +\def\normaltilde{~} +\def\normalcaret{^} +\def\normalunderscore{_} +\def\normalverticalbar{|} +\def\normalless{<} +\def\normalgreater{>} +\def\normalplus{+} +\def\normaldollar{$}%$ font-lock fix + +% This macro is used to make a character print one way in \tt +% (where it can probably be output as-is), and another way in other fonts, +% where something hairier probably needs to be done. +% +% #1 is what to print if we are indeed using \tt; #2 is what to print +% otherwise. Since all the Computer Modern typewriter fonts have zero +% interword stretch (and shrink), and it is reasonable to expect all +% typewriter fonts to have this, we can check that font parameter. +% +\def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi} + +% Same as above, but check for italic font. Actually this also catches +% non-italic slanted fonts since it is impossible to distinguish them from +% italic fonts. But since this is only used by $ and it uses \sl anyway +% this is not a problem. +\def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi} + +% Turn off all special characters except @ +% (and those which the user can use as if they were ordinary). +% Most of these we simply print from the \tt font, but for some, we can +% use math or other variants that look better in normal text. + +\catcode`\"=\active +\def\activedoublequote{{\tt\char34}} +\let"=\activedoublequote +\catcode`\~=\active +\def~{{\tt\char126}} +\chardef\hat=`\^ +\catcode`\^=\active +\def^{{\tt \hat}} + +\catcode`\_=\active +\def_{\ifusingtt\normalunderscore\_} +% Subroutine for the previous macro. +\def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } + +\catcode`\|=\active +\def|{{\tt\char124}} +\chardef \less=`\< +\catcode`\<=\active +\def<{{\tt \less}} +\chardef \gtr=`\> +\catcode`\>=\active +\def>{{\tt \gtr}} +\catcode`\+=\active +\def+{{\tt \char 43}} +\catcode`\$=\active +\def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix + +% If a .fmt file is being used, characters that might appear in a file +% name cannot be active until we have parsed the command line. +% So turn them off again, and have \everyjob (or @setfilename) turn them on. +% \otherifyactive is called near the end of this file. +\def\otherifyactive{\catcode`+=\other \catcode`\_=\other} + +\catcode`\@=0 + +% \backslashcurfont outputs one backslash character in current font, +% as in \char`\\. +\global\chardef\backslashcurfont=`\\ + +% \rawbackslash defines an active \ to do \backslashcurfont. +% \otherbackslash defines an active \ to be a literal `\' character with +% catcode other. +{\catcode`\\=\active + @gdef@rawbackslash{@let\=@backslashcurfont} + @gdef@otherbackslash{@let\=@realbackslash} +} + +% \realbackslash is an actual character `\' with catcode other. +{\catcode`\\=\other @gdef@realbackslash{\}} + +% \normalbackslash outputs one backslash in fixed width font. +\def\normalbackslash{{\tt\backslashcurfont}} + +\catcode`\\=\active + +% Used sometimes to turn off (effectively) the active characters +% even after parsing them. +@def@turnoffactive{% + @let"=@normaldoublequote + @let\=@realbackslash + @let~=@normaltilde + @let^=@normalcaret + @let_=@normalunderscore + @let|=@normalverticalbar + @let<=@normalless + @let>=@normalgreater + @let+=@normalplus + @let$=@normaldollar %$ font-lock fix + @unsepspaces +} + +% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of +% the literal character `\'. (Thus, \ is not expandable when this is in +% effect.) +% +@def@normalturnoffactive{@turnoffactive @let\=@normalbackslash} + +% Make _ and + \other characters, temporarily. +% This is canceled by @fixbackslash. +@otherifyactive + +% If a .fmt file is being used, we don't want the `\input texinfo' to show up. +% That is what \eatinput is for; after that, the `\' should revert to printing +% a backslash. +% +@gdef@eatinput input texinfo{@fixbackslash} +@global@let\ = @eatinput + +% On the other hand, perhaps the file did not have a `\input texinfo'. Then +% the first `\{ in the file would cause an error. This macro tries to fix +% that, assuming it is called before the first `\' could plausibly occur. +% Also back turn on active characters that might appear in the input +% file name, in case not using a pre-dumped format. +% +@gdef@fixbackslash{% + @ifx\@eatinput @let\ = @normalbackslash @fi + @catcode`+=@active + @catcode`@_=@active +} + +% Say @foo, not \foo, in error messages. +@escapechar = `@@ + +% These look ok in all fonts, so just make them not special. +@catcode`@& = @other +@catcode`@# = @other +@catcode`@% = @other + + +@c Local variables: +@c eval: (add-hook 'write-file-hooks 'time-stamp) +@c page-delimiter: "^\\\\message" +@c time-stamp-start: "def\\\\texinfoversion{" +@c time-stamp-format: "%:y-%02m-%02d.%02H" +@c time-stamp-end: "}" +@c End: + +@c vim:sw=2: + +@ignore + arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115 +@end ignore diff --git a/doc/version.texi b/doc/version.texi new file mode 100644 index 0000000..1f9d1e4 --- /dev/null +++ b/doc/version.texi @@ -0,0 +1,4 @@ +@set UPDATED 4 September 2005 +@set UPDATED-MONTH September 2005 +@set EDITION 0.03 +@set VERSION 0.03 diff --git a/examples/Makefile.am b/examples/Makefile.am new file mode 100644 index 0000000..0c1a660 --- /dev/null +++ b/examples/Makefile.am @@ -0,0 +1,11 @@ +noinst_PROGRAMS = hash_usage large_hash strings conf_example conf_example2 opt_example +LDADD = -L$(top_srcdir)/src -lcfu + +if DEBUG +AM_CFLAGS = -Wall -W -Werror -I$(top_srcdir)/include -DCFU_DEBUG=1 +else +AM_CFLAGS = -Wall -W -Werror -I$(top_srcdir)/include +endif + +AM_LDFLAGS = -Xlinker -rpath -Xlinker $(top_src_dir)/src + diff --git a/examples/Makefile.in b/examples/Makefile.in new file mode 100644 index 0000000..610c14d --- /dev/null +++ b/examples/Makefile.in @@ -0,0 +1,418 @@ +# Makefile.in generated by automake 1.9.2 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +SOURCES = conf_example.c conf_example2.c hash_usage.c large_hash.c opt_example.c strings.c + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = .. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : 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file mode 100644 index 0000000..4b453ee --- /dev/null +++ b/examples/conf_example.c @@ -0,0 +1,42 @@ +/* Creation date: 2005-07-08 23:43:37 + * Authors: Don + * Change log: + */ + +#include "cfuconf.h" + +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +int main(int argc, char **argv) { + char *file_path = "/tmp/test.conf"; + cfuconf_t *conf = NULL; + char *error = NULL; + + argc = argc; + argv = argv; + + if (cfuconf_parse_file(file_path, &conf, &error) < 0) { + fprintf(stderr, "Error loading conf file: %s\n", error); + free(error); + exit(-1); + } + + fprintf(stderr, "\n\nvals:\n\n"); + + cfuconf_pretty_print_conf(conf, stderr, 0); + + cfuconf_destroy(conf); + + return 0; +} diff --git a/examples/conf_example2.c b/examples/conf_example2.c new file mode 100644 index 0000000..ef73f3f --- /dev/null +++ b/examples/conf_example2.c @@ -0,0 +1,48 @@ +/* Creation date: 2005-07-25 22:00:49 + * Authors: Don + * Change log: + */ + + +#include "cfuconf.h" + +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +int main(int argc, char **argv) { + cfuconf_t *conf = NULL; + char *error = NULL; + char *buffer = "SetVar Test1 Val1\n" + "SetVar Test2 Val2\n" + "\n" + " SetVar Test3 Val3\n" + " SetVar Test4 Val4\n" + "\n"; + + argc = argc; + argv = argv; + + if (cfuconf_parse_buffer(buffer, &conf, &error) < 0) { + fprintf(stderr, "Error loading conf buffer: %s\n", error); + free(error); + exit(-1); + } + + fprintf(stderr, "\n\nvals:\n\n"); + + cfuconf_pretty_print_conf(conf, stderr, 0); + + cfuconf_destroy(conf); + + return 0; +} diff --git a/examples/hash_usage.c b/examples/hash_usage.c new file mode 100644 index 0000000..36910ce --- /dev/null +++ b/examples/hash_usage.c @@ -0,0 +1,133 @@ +/* Creation date: 2005-06-25 10:33:53 + * Authors: Don + * Change log: + */ + +#include "cfuhash.h" + +#include +#include +#include + +static int +remove_func(void *key, size_t key_size, void *data, size_t data_size, void *arg) { + data_size = data_size; + data = data; + arg = arg; + + if (key_size > 7) { + if (!strncasecmp(key, "content", 7)) { + return 1; + } + } + return 0; +} + +int main(int argc, char **argv) { + cfuhash_table_t *hash = cfuhash_new_with_initial_size(30); + cfuhash_table_t *hash2 = cfuhash_new_with_initial_size(4); + char *val = NULL; + char list[32][2][32]; + size_t i; + + argc = argc; + argv = argv; + + cfuhash_set_flag(hash, CFUHASH_FROZEN_UNTIL_GROWS); + + for (i = 0; i < 32; i++) { + sprintf(list[i][0], "test_var%d", i); + sprintf(list[i][1], "value%d", i); + } + + cfuhash_put(hash, "var1", "value1"); + cfuhash_put(hash, "var2", "value2"); + cfuhash_put(hash, "var3", "value3"); + cfuhash_put(hash, "var4", "value4"); + + cfuhash_pretty_print(hash, stdout); + + printf("\n\n"); + val = (char *)cfuhash_delete(hash, "var3"); + printf("delete: got back '%s'\n\n", val); + + cfuhash_pretty_print(hash, stdout); + + printf("\n\n"); + val = cfuhash_get(hash, "var2"); + printf("got var2='%s'\n", val); + printf("var4 %s\n", cfuhash_exists(hash, "var4") ? "exists" : "does NOT exist!!!"); + + printf("%d entries, %d buckets used out of %d\n", cfuhash_num_entries(hash), cfuhash_num_buckets_used(hash), cfuhash_num_buckets(hash)); + + cfuhash_pretty_print(hash, stdout); + + cfuhash_clear(hash); + + for (i = 0; i < 32; i++) { + size_t used = cfuhash_num_buckets_used(hash); + size_t num_buckets = cfuhash_num_buckets(hash); + size_t num_entries = cfuhash_num_entries(hash); + cfuhash_put(hash, list[i][0], list[i][1]); + printf("%d entries, %d buckets used out of %d (%.2f)\n", num_entries, used, num_buckets, (float)num_entries/(float)num_buckets); + + } + + cfuhash_pretty_print(hash, stdout); + + { + char **keys = NULL; + size_t *key_sizes = NULL; + size_t key_count = 0; + + keys = (char **)cfuhash_keys_data(hash, &key_count, &key_sizes, 0); + + printf("\n\nkeys (%u):\n", key_count); + for (i = 0; i < key_count; i++) { + printf("\t%s\n", keys[i]); + free(keys[i]); + } + free(keys); + free(key_sizes); + } + + cfuhash_clear(hash); + printf("%d entries, %d buckets used out of %d\n", cfuhash_num_entries(hash), cfuhash_num_buckets_used(hash), cfuhash_num_buckets(hash)); + + cfuhash_destroy(hash); + + printf("\n\n====> case-insensitive hash:\n\n"); + hash = cfuhash_new_with_initial_size(30); + cfuhash_set_flag(hash, CFUHASH_IGNORE_CASE); + cfuhash_put(hash, "Content-Type", "value1"); + cfuhash_put(hash, "Content-Length", "value2"); + + cfuhash_put(hash2, "var3", "value3"); + cfuhash_put(hash2, "var4", "value4"); + + + cfuhash_pretty_print(hash, stdout); + cfuhash_copy(hash2, hash); + cfuhash_pretty_print(hash, stdout); + + { + char keys[4][32] = { "content-type", "content-length", "Var3", "VaR4" }; + size_t i = 0; + + for (i = 0; i < 4; i++) { + printf("%s => %s\n", keys[i], (char *)cfuhash_get(hash, keys[i])); + } + + cfuhash_foreach_remove(hash, remove_func, NULL, NULL); + printf("\n\nafter removing content*:\n"); + for (i = 0; i < 4; i++) { + printf("%s => %s\n", keys[i], (char *)cfuhash_get(hash, keys[i])); + } + + } + + cfuhash_destroy(hash); + cfuhash_destroy(hash2); + + return 0; +} diff --git a/examples/large_hash.c b/examples/large_hash.c new file mode 100644 index 0000000..1540aa5 --- /dev/null +++ b/examples/large_hash.c @@ -0,0 +1,162 @@ +/* Creation date: 2005-06-26 00:41:47 + * Authors: Don + * Change log: + */ + +#include "cfuhash.h" +#include "cfutime.h" + +#include +#include +#include +#include + +static +void free_data(void *data) { + free(data); +} + +static char * +dup_str(const char *str) { + size_t len = strlen(str); + char *ns = (char *)calloc(len + 1, 1); + memcpy(ns, str, len); + return ns; +} + +static u_int32_t +hash_func1(const void *key, size_t length) { + size_t i = length; + u_int hash = 0; + char *s = (char *)key; + while (i--) hash = hash * 33 + *s++; + + return hash; +} + +/* From libtc */ +#define mix(a,b,c) \ +{ \ + a -= b; a -= c; a ^= (c>>13); \ + b -= c; b -= a; b ^= (a<<8); \ + c -= a; c -= b; c ^= (b>>13); \ + a -= b; a -= c; a ^= (c>>12); \ + b -= c; b -= a; b ^= (a<<16); \ + c -= a; c -= b; c ^= (b>>5); \ + a -= b; a -= c; a ^= (c>>3); \ + b -= c; b -= a; b ^= (a<<10); \ + c -= a; c -= b; c ^= (b>>15); \ +} + +typedef u_int32_t ub4; + +static u_int +hash_func_tc(const void *key, size_t length) +{ + register ub4 a,b,c,len; + const char *k = key; + + /* Set up the internal state */ + len = length; + a = b = 0x9e3779b9; /* the golden ratio; an arbitrary value */ + c = 0; /* the previous hash value */ + + /*---------------------------------------- handle most of the key */ + while(len >= 12){ + a += (k[0] +((ub4)k[1]<<8) +((ub4)k[2]<<16) +((ub4)k[3]<<24)); + b += (k[4] +((ub4)k[5]<<8) +((ub4)k[6]<<16) +((ub4)k[7]<<24)); + c += (k[8] +((ub4)k[9]<<8) +((ub4)k[10]<<16)+((ub4)k[11]<<24)); + mix(a,b,c); + k += 12; len -= 12; + } + + /*------------------------------------- handle the last 11 bytes */ + c += length; + switch(len){ /* all the case statements fall through */ + case 11: c+=((ub4)k[10]<<24); + case 10: c+=((ub4)k[9]<<16); + case 9 : c+=((ub4)k[8]<<8); + /* the first byte of c is reserved for the length */ + case 8 : b+=((ub4)k[7]<<24); + case 7 : b+=((ub4)k[6]<<16); + case 6 : b+=((ub4)k[5]<<8); + case 5 : b+=k[4]; + case 4 : a+=((ub4)k[3]<<24); + case 3 : a+=((ub4)k[2]<<16); + case 2 : a+=((ub4)k[1]<<8); + case 1 : a+=k[0]; + /* case 0: nothing left to add */ + } + mix(a,b,c); + /*-------------------------------------------- report the result */ + return c; +} + +/* End of code from Jenkins */ + + +static int +time_it(cfuhash_function_t hf, double *elapsed_time, u_int32_t num_tests) { + cfuhash_table_t *hash = cfuhash_new_with_initial_size(30); + u_int32_t flags = 0; + char key[32]; + char value[32]; + size_t i; + size_t used; + size_t num_buckets; + size_t num_entries; + cfutime_t *time = cfutime_new(); + + /* freeze the hash so that it won't shrink while we put in all the data */ + flags = cfuhash_set_flag(hash, CFUHASH_FROZEN_UNTIL_GROWS); + cfuhash_set_hash_function(hash, hf); + + cfutime_begin(time); + for (i = 0; i < num_tests; i++) { + sprintf(key, "%u", 15000000 - i); + sprintf(value, "value%d", i); + cfuhash_put(hash, key, dup_str(value)); + } + cfutime_end(time); + *elapsed_time = cfutime_elapsed(time); + + used = cfuhash_num_buckets_used(hash); + num_buckets = cfuhash_num_buckets(hash); + num_entries = cfuhash_num_entries(hash); + printf("%d entries, %d/%d buckets (%.2f%%), %.2f%% threshold check\n", num_entries, used, num_buckets, 100.0 * (float)used/(float)num_buckets, 100.0 * (float)num_entries/(float)num_buckets); + + cfuhash_destroy_with_free_fn(hash, free_data); + + return 0; +} + + +int main(int argc, char **argv) { + double elapsed_time = 0; + u_int32_t num_tests = 3000000; + + argc = argc; + argv = argv; + + printf("mutex is %d bytes\n", sizeof(pthread_mutex_t)); + + printf("default:\n"); + time_it(NULL, &elapsed_time, num_tests); + printf("%.3f seconds\n", elapsed_time); + printf("\n"); + fflush(stdout); + + printf("hash_func1:\n"); + time_it(hash_func1, &elapsed_time, num_tests); + printf("%.3f seconds\n", elapsed_time); + printf("\n"); + fflush(stdout); + + printf("hash_func_tc:\n"); + time_it(hash_func_tc, &elapsed_time, num_tests); + printf("%.3f seconds\n", elapsed_time); + printf("\n"); + fflush(stdout); + + return 1; +} diff --git a/examples/opt_example.c b/examples/opt_example.c new file mode 100644 index 0000000..1ff0802 --- /dev/null +++ b/examples/opt_example.c @@ -0,0 +1,56 @@ +/* Creation date: 2005-09-04 14:46:45 + * Authors: Don + * Change log: + */ + +#include "cfuopt.h" +#include +#include + +int main(int argc, char **argv) { + cfuopt_t *opt = cfuopt_new(); + int verbose = 0; + char *file = NULL; + long count = 0; + char *error = NULL; + double scale = 0.0; + char *help = NULL; + int i = 0; + + argc = argc; + argv = argv; + + cfuopt_add_entry(opt, "verbose|v!", &verbose, "Verbosity", ""); + cfuopt_add_entry(opt, "file|f:s", &file, "File to load", "FILE"); + cfuopt_add_entry(opt, "count|c|n=i", &count, "Count to run", "COUNT"); + cfuopt_add_entry(opt, "scale|s:f", &scale, "Scaling factor", "SCALE"); + + printf("\nStarting args:\n"); + for (i = 0; i < argc; i++) { + printf("\t%s\n", argv[i]); + } + + cfuopt_parse(opt, &argc, &argv, &error); + + printf("\n\n"); + printf("verbose=%d\n", verbose); + printf("file=%s\n", file); + printf("count=%ld\n", count); + printf("scale=%f\n", scale); + + help = cfuopt_get_help_str(opt); + + printf("\n\nhelp:\n%s\n", help); + free(help); + + printf("\nLeft over args:\n"); + for (i = 0; i < argc; i++) { + printf("\t%s\n", argv[i]); + } + + cfuopt_destroy(opt); + + free(file); + + return 0; +} diff --git a/examples/strings.c b/examples/strings.c new file mode 100644 index 0000000..79cb1cf --- /dev/null +++ b/examples/strings.c @@ -0,0 +1,99 @@ +/* Creation date: 2005-06-27 22:19:17 + * Authors: Don + * Change log: + */ + +#include "cfustring.h" +#include +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + + +int main(int argc, char **argv) { + cfustring_t *buf = cfustring_new_with_initial_size(32); + char **strings = NULL; + size_t num_strings = 0; + size_t num_headers = 0; + size_t i = 0; + char *ref_addr = NULL; + char *s = NULL; + cfustring_t *header_block = cfustring_new_from_string( + "User-Agent: curl/7.10.6 (i386-redhat-linux-gnu) libcurl/7.10.6 OpenSSL/0.9.7a ipv6 zlib/1.2.0.7\r\n" + "Host: localhost:9095\r\n" + "Pragma: no-cache\r\n" + "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*\r\n"); + cfustring_t **header_lines = NULL; + + argc = argc; argv = argv; /* avoid compiler warnings */ + + cfustring_append(buf, "test^*string%2^*3"); + strings = cfustring_split_to_c_str(buf, &num_strings, 0, "%", "^*", NULL); + + printf("got back %u strings\n", num_strings); + + printf("\n"); + for (i = 0; i < num_strings; i++) { + printf("'%s'\n", strings[i]); + } + + for (i = 0; i < num_strings; i++) { + free(strings[i]); + } + free(strings); + + header_lines = cfustring_split(header_block, &num_headers, 0, "\r\n", "\n", NULL); + printf("got back %u headers\n", num_strings); + + for (i = 0; i < num_headers; i++) { + strings = cfustring_split_to_c_str(header_lines[i], &num_strings, 2, ":", NULL); + if (num_strings != 2) { + /* bad header */ + size_t j = 0; + for (j = 0; j < num_strings; j++) free(strings[j]); + free(strings); + fprintf(stderr, "bad header: %u strings from split -- '%s'\n", num_strings, cfustring_get_buffer(header_lines[i])); + continue; + } + + printf("Got header '%s' => '%s'\n", strings[0], strings[1]); + free(strings[0]); free(strings[1]); + free(strings); + } + + for (i = 0; i < num_headers; i++) { + assert(cfu_is_string(header_lines[i])); + cfustring_destroy(header_lines[i]); + } + free(header_lines); + + cfustring_sprintf(buf, "this %% is a string - '%.2f'", 509.0); + printf("cfustring_sprintf(): '%s'\n", cfustring_get_buffer(buf)); + + cfustring_destroy(buf); + + s = cfustring_sprintf_c_str("this is a test with a num: '%u'\n", 5); + + printf("got: %s\n", s); + free(s); + + ref_addr = cfustring_sprintf_c_str("%p", (void *)header_block); + + cfustring_destroy(header_block); + + printf("\n\nheader_block as ref_addr='%s'\n\n", ref_addr); + free(ref_addr); + + + + return 0; +} diff --git a/include/cfu.h b/include/cfu.h new file mode 100644 index 0000000..96e43e2 --- /dev/null +++ b/include/cfu.h @@ -0,0 +1,82 @@ +/* Creation date: 2005-07-06 07:34:51 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _LIBCFU_H_ +#define _LIBCFU_H_ + +#include +#include + +#ifdef __cplusplus +#define CFU_BEGIN_DECLS extern "C" { +#define CFU_END_DECLS } +#else +#define CFU_BEGIN_DECLS +#define CFU_END_DECLS +#endif + +CFU_BEGIN_DECLS + +/* define this to get thread-safe versions of functions */ +#ifndef _REENTRANT +#define _REENTRANT 1 +#endif +#ifndef _THREAD_SAFE +#define _THREAD_SAFE 1 +#endif + +#define LIBCFU_VERSION "0.03" + +typedef enum { libcfu_t_none = 0, libcfu_t_hash_table, libcfu_t_list, libcfu_t_string, + libcfu_t_time, libcfu_t_conf } libcfu_type; + +struct libcfu_item; +typedef struct libcfu_item libcfu_item_t; + +extern libcfu_type cfu_get_type(void *item); +extern int cfu_is_hash(void *item); +extern int cfu_is_list(void *item); +extern int cfu_is_string(void *item); +extern int cfu_is_time(void *item); +extern int cfu_is_conf(void *item); + +CFU_END_DECLS + +#endif diff --git a/include/cfu.h.in b/include/cfu.h.in new file mode 100644 index 0000000..e9843db --- /dev/null +++ b/include/cfu.h.in @@ -0,0 +1,82 @@ +/* Creation date: 2005-07-06 07:34:51 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _LIBCFU_H_ +#define _LIBCFU_H_ + +#include +#include + +#ifdef __cplusplus +#define CFU_BEGIN_DECLS extern "C" { +#define CFU_END_DECLS } +#else +#define CFU_BEGIN_DECLS +#define CFU_END_DECLS +#endif + +CFU_BEGIN_DECLS + +/* define this to get thread-safe versions of functions */ +#ifndef _REENTRANT +#define _REENTRANT 1 +#endif +#ifndef _THREAD_SAFE +#define _THREAD_SAFE 1 +#endif + +#define LIBCFU_VERSION "@VERSION@" + +typedef enum { libcfu_t_none = 0, libcfu_t_hash_table, libcfu_t_list, libcfu_t_string, + libcfu_t_time, libcfu_t_conf } libcfu_type; + +struct libcfu_item; +typedef struct libcfu_item libcfu_item_t; + +extern libcfu_type cfu_get_type(void *item); +extern int cfu_is_hash(void *item); +extern int cfu_is_list(void *item); +extern int cfu_is_string(void *item); +extern int cfu_is_time(void *item); +extern int cfu_is_conf(void *item); + +CFU_END_DECLS + +#endif diff --git a/include/cfuconf.h b/include/cfuconf.h new file mode 100644 index 0000000..3c54a33 --- /dev/null +++ b/include/cfuconf.h @@ -0,0 +1,126 @@ +/* Creation date: 2005-07-08 22:24:03 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFU_CONF_H_ +#define _CFU_CONF_H_ + +#include +#include +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + struct cfuconf; + typedef struct cfuconf cfuconf_t; + + /* Apache-style conf files contain directives and containers. + Directives are simple one line specifications with or without + arguments, e.g., + + Doit + Expires On + LoadModule my_mod modules/my_mod.so + + Containers have a type and a name associated with them and they + in turn contain directives and/or containers, e.g., + + + Expires Off + + DBHost db.example.com + DBUser test_user + + + + Values may be quoted, e.g. + + DBUser "test user" + + But must be specified on a single line. To escape quotes + within a quoted string, use the '\' character. + + */ + + + /* Parse the apache-like conf file specified by file_path, + * returning a pointer to a cfuconf_t structure in conf. Returns + * zero on success, less than zero on error. If an error occurs + * and error is not NULL, it will be set to an error message + * (which must be free()'d by the caller). + */ + extern int cfuconf_parse_file(char *file_path, cfuconf_t **conf, char **error); + + /* Same as cfuconf_parse_file(), except assume the contents of the + * file are already in buffer. + */ + extern int cfuconf_parse_buffer(char *buffer, cfuconf_t **conf, char **error); + + /* Free all resources used by the cfuconf_t structure */ + extern void cfuconf_destroy(cfuconf_t *conf); + + /* Get a hash of containers at the top level of conf */ + extern cfuhash_table_t * cfuconf_get_containers(cfuconf_t *conf); + + /* Get a hash of directives at the to level */ + extern cfuhash_table_t * cfuconf_get_directives(cfuconf_t *conf); + + /* Get the value of the given directive, assuming there is only one argument */ + extern int cfuconf_get_directive_one_arg(cfuconf_t *conf, char *directive, char **rvalue); + + /* Get the value of the given directive, assuming there are two arguments */ + extern int cfuconf_get_directive_two_args(cfuconf_t *conf, char *directive, char **rvalue, + char **rvalue2); + + /* Get the value of the given directives, with n arguments */ + extern int cfuconf_get_directive_n_args(cfuconf_t *conf, char *directive, size_t n, ...); + + /* Print out a representation of the parsed configuration */ + extern void cfuconf_pretty_print_conf(cfuconf_t *conf, FILE *fp, size_t indent_level); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/cfuhash.h b/include/cfuhash.h new file mode 100644 index 0000000..0e281d3 --- /dev/null +++ b/include/cfuhash.h @@ -0,0 +1,277 @@ +/* Creation date: 2005-06-24 21:22:09 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFU_HASH_H_ +#define _CFU_HASH_H_ + +#include + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + + /* The hash table itself. */ + struct cfuhash_table; + typedef struct cfuhash_table cfuhash_table_t; + + /* Prototype for a pointer to a hashing function. */ + typedef u_int32_t (*cfuhash_function_t)(const void *key, size_t length); + + /* Prototype for a pointer to a free function. */ + typedef void (*cfuhash_free_fn_t)(void *data); + + /* Prototype for a pointer to a function that determines whether + * or not to remove an entry from the hash. + */ + typedef int (*cfuhash_remove_fn_t)(void *key, size_t key_size, void *data, size_t data_size, + void *arg); + + /* Prototype for a pointer to a function to be called foreach + * key/value pair in the hash by cfuhash_foreach(). Iteration + * stops if a non-zero value is returned. + */ + typedef int (*cfuhash_foreach_fn_t)(void *key, size_t key_size, void *data, size_t data_size, + void *arg); + + /* Creates a new hash table. */ + extern cfuhash_table_t * cfuhash_new(); + + /* Creates a new hash table with the specified size (number of + * buckets). + */ + extern cfuhash_table_t * cfuhash_new_with_initial_size(size_t size); + + /* Creates a new hash table with the specified flags. Pass zero + * for flags if you want the defaults. + */ + extern cfuhash_table_t * cfuhash_new_with_flags(u_int32_t flags); + + /* Same as cfuhash_new() except automatically calls cfuhash_set_free_fn(). */ + extern cfuhash_table_t * cfuhash_new_with_free_fn(cfuhash_free_fn_t ff); + + /* Copies entries in src to dst */ + extern int cfuhash_copy(cfuhash_table_t *src, cfuhash_table_t *dst); + + /* Returns a new hash containing entries from both hash tables. + * For any entries with the same key, the one from ht2 wins. + */ + extern cfuhash_table_t * cfuhash_merge(cfuhash_table_t *ht1, cfuhash_table_t *ht2, + u_int32_t flags); + + /* Sets the hashing function to use when computing which bucket to add + * entries to. It should return a 32-bit unsigned integer. By + * default, Perl's hashing algorithm is used. + */ + extern int cfuhash_set_hash_function(cfuhash_table_t *ht, cfuhash_function_t hf); + + /* Sets the thresholds for when to rehash. The ratio + * num_entries/buckets is compared against low and high. If it is + * below 'low' or above 'high', the hash will shrink or grow, + * respectively, unless the flags say to do otherwise. + */ + extern int cfuhash_set_thresholds(cfuhash_table_t *ht, float low, float high); + + /* Sets the function to use when removing an entry from the hash, + * i.e., when replacing an existing entry, deleting an entry, or + * clearing the hash. It is passed the value of the entry as a + * void *. + */ + extern int cfuhash_set_free_function(cfuhash_table_t * ht, cfuhash_free_fn_t ff); + + /* Returns the hash's flags. See below for flag definitions. */ + extern u_int32_t cfuhash_get_flags(cfuhash_table_t *ht); + + /* Sets a flag. */ + extern u_int32_t cfuhash_set_flag(cfuhash_table_t *ht, u_int32_t flag); + + /* Clears a flag. */ + extern u_int32_t cfuhash_clear_flag(cfuhash_table_t *ht, u_int32_t new_flag); + + /* Returns the value for the entry with given key. If key_size is -1, + * key is assumed to be a null-terminated string. If data_size is not + * NULL, the size of the value is placed into data_size. + */ + extern int cfuhash_get_data(cfuhash_table_t *ht, const void *key, size_t key_size, + void **data, size_t *data_size); + + /* Returns 1 if an entry with the given key exists in the hash, 0 otherwise. */ + extern int cfuhash_exists_data(cfuhash_table_t *ht, const void *key, size_t key_size); + + /* Inserts the given data value into the hash and associates it with + * key. If key_size is -1, key is assumed to be a null-terminated + * string. If data_size is -1, it is assumed to be a null-terminated + * string (it's length will be calculated using strlen). If + * data_size is zero, it will be returned as zero when the value is + * requested. + */ + extern int cfuhash_put_data(cfuhash_table_t *ht, const void *key, size_t key_size, void *data, + size_t data_size, void **r); + + /* Clears the hash table (deletes all entries). */ + extern void cfuhash_clear(cfuhash_table_t *ht); + + /* Deletes the entry in the hash associated with key. If the entry + * existed, it's value will be returned. + */ + extern void * cfuhash_delete_data(cfuhash_table_t *ht, const void *key, size_t key_size); + + /* Returns all the keys from the hash. The number of keys is placed + * into the value pointed to by num_keys. If key_sizes is not NULL, + * it will be set to an array of key sizes. If fast is zero, copies + * of the keys are returned. Otherwise, pointers to the real keys + * will be returned. + */ + extern void **cfuhash_keys_data(cfuhash_table_t *ht, size_t *num_keys, size_t **key_sizes, + int fast); + + /* Initializes a loop over all the key/value pairs in the hash. It + * returns the first key/value pair (see cfuhash_next_data()). 1 is + * returned if there are any entries in the hash. 0 is returned + * otherwise. + */ + extern int cfuhash_each_data(cfuhash_table_t *ht, void **key, size_t *key_size, void **data, + size_t *data_size); + + /* Gets the next key/value pair from the hash. You must initialize + * the loop using cfuhash_each_data() before calling this function. + * If a entry is left to return, 1 is returned from the function. 0 + * is returned if there are no more entries in the hash. + */ + extern int cfuhash_next_data(cfuhash_table_t *ht, void **key, size_t *key_size, void **data, + size_t *data_size); + + /* Iterates over the key/value pairs in the hash, passing each one + * to r_fn, and removes all entries for which r_fn returns true. + * If ff is not NULL, it is the passed the data to be freed. arg + * is passed to r_fn. + */ + extern size_t cfuhash_foreach_remove(cfuhash_table_t *ht, cfuhash_remove_fn_t r_fn, + cfuhash_free_fn_t ff, void *arg); + + /* Iterates over the key/value pairs in the hash, passing each one + * to fe_fn, along with arg. This locks the hash, so do not call + * any operations on the hash from within fe_fn unless you really + * know what you're doing. A non-zero return value from fe_fn() + * stops the iteration. + */ + extern size_t cfuhash_foreach(cfuhash_table_t *ht, cfuhash_foreach_fn_t fe_fn, void *arg); + + /* Frees all resources allocated by the hash. If ff is not NULL, it + * is called for each hash entry with the value of the entry passed as + * its only argument. If ff is not NULL, it overrides any function + * set previously with cfuhash_set_free_function(). + */ + extern int cfuhash_destroy(cfuhash_table_t *ht); + + extern int cfuhash_destroy_with_free_fn(cfuhash_table_t *ht, cfuhash_free_fn_t ff); + + /* Rebuild the hash to better accomodate the number of entries. See + * cfuhash_set_thresholds(). + */ + extern int cfuhash_rehash(cfuhash_table_t *ht); + + /* Returns the number entries in the hash. */ + extern size_t cfuhash_num_entries(cfuhash_table_t *ht); + + /* Returns the number of buckets allocated for the hash. */ + extern size_t cfuhash_num_buckets(cfuhash_table_t *ht); + + /* Returns the number of buckets actually used out of the total number + * allocated for the hash. + */ + extern size_t cfuhash_num_buckets_used(cfuhash_table_t *ht); + + /* Assumes all the keys and values are null-terminated strings and + * returns a bencoded string representing the hash (see + * http://www.bittorrent.com/protocol.html) + */ + extern char * cfuhash_bencode_strings(cfuhash_table_t *ht); + + /* Locks the hash. Use this with the each and next functions for + * concurrency control. Note that the hash is locked automatically + * when doing inserts and deletes, so if you lock the hash and then + * try to insert something into it, you may get into a deadlock, + * depending on your system defaults for how mutexes work. + */ + extern int cfuhash_lock(cfuhash_table_t *ht); + + /* Unlocks the hash. Use this with the each an next functions for + * concurrency control. The caveat for cfuhash_lcok() also applies to + * this function. + */ + extern int cfuhash_unlock(cfuhash_table_t *ht); + + /* Pretty print the hash's key/value pairs to the stream fp. It is + * assumed that all the keys and values are null-terminated strings. + */ + extern int cfuhash_pretty_print(cfuhash_table_t *ht, FILE *fp); + + /* These are like the _data versions of these functions, with the + * following exceptions: + * 1) They assume that the key provided is a null-terminated string. + * 2) They don't worry about the size of the data. + * 3) Returned keys or values are the return value of the function. + */ + extern void * cfuhash_get(cfuhash_table_t *ht, const char *key); + extern int cfuhash_exists(cfuhash_table_t *ht, const char *key); + extern void * cfuhash_put(cfuhash_table_t *ht, const char *key, void *data); + extern void * cfuhash_delete(cfuhash_table_t *ht, const char *key); + extern int cfuhash_each(cfuhash_table_t *ht, char **key, void **data); + extern int cfuhash_next(cfuhash_table_t *ht, char **key, void **data); + extern void **cfuhash_keys(cfuhash_table_t *ht, size_t *num_keys, int fast); + + +/* hash table flags */ +#define CFUHASH_NOCOPY_KEYS 1 /* do not copy the key when inserting a hash entry */ +#define CFUHASH_NO_LOCKING (1 << 1) /* do not make the hash thread-safe */ +#define CFUHASH_FROZEN (1 << 2) /* do not rehash when the size thresholds are reached */ +#define CFUHASH_FROZEN_UNTIL_GROWS (1 << 3) /* do not shrink the hash until it has grown */ +#define CFUHASH_FREE_DATA (1 << 4) /* call free() on each value when the hash is destroyed */ +#define CFUHASH_IGNORE_CASE (1 << 5) /* treat keys case-insensitively */ + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/cfulist.h b/include/cfulist.h new file mode 100644 index 0000000..16acf6c --- /dev/null +++ b/include/cfulist.h @@ -0,0 +1,167 @@ +/* Creation date: 2005-07-02 22:25:10 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFU_LIST_ +#define _CFU_LIST_ + +#include + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + + /* The list itself. */ + struct cfulist; + typedef struct cfulist cfulist_t; + + /* Function called for each element in the list when passed to + * cfulist_foreach(). A non-zero return value means to stop + * iteration. + */ + typedef int (*cfulist_foreach_fn_t)(void *data, size_t data_size, void *arg); + + /* Function called for each element in the list when passed to + * cfulist_map(). The return value is used to build a new + * list. + */ + typedef void * (*cfulist_map_fn_t)(void *data, size_t data_size, void *arg, + size_t *new_data_size); + + /* Function called to free the data in an element. */ + typedef void (*cfulist_free_fn_t)(void *data); + + /* Returns a new list. */ + extern cfulist_t * cfulist_new(); + + /* Same as cfulist_new(), but set a function to be called on each + * element when the list is destroyed. + */ + extern cfulist_t * cfulist_new_with_free_fn(cfulist_free_fn_t free_fn); + + /* Returns the number of entries in the list. */ + extern size_t cfulist_num_entries(cfulist_t *list); + + /* Manipulating list entries */ + + /* Push a value onto the end of the list. */ + extern int cfulist_push_data(cfulist_t *list, void *data, size_t data_size); + + /* Pop a value from the end of the list. */ + extern int cfulist_pop_data(cfulist_t *list, void **data, size_t *data_size); + + /* Add a value at the beginning of the list. */ + extern int cfulist_unshift_data(cfulist_t *list, void *data, size_t data_size); + + /* Shift a value off the beginning of the list. */ + extern int cfulist_shift_data(cfulist_t *list, void **data, size_t *data_size); + + /* Add a value at the end of the queue (equivalent to push) */ + extern int cfulist_enqueue_data(cfulist_t *list, void *data, size_t data_size); + + /* Remove the value at the beginning of the list (equivalent to shift). */ + extern int cfulist_dequeue_data(cfulist_t *list, void **data, size_t *data_size); + + /* Return the last entry from the list (without removing it from + * the list). + */ + extern int cfulist_first_data(cfulist_t *list, void **data, size_t *data_size); + + /* Return the last entry from the list (without removing it from + * the list). + */ + extern int cfulist_last_data(cfulist_t *list, void **data, size_t *data_size); + + /* Return the nth entry from the list (without removing it from + * the list). n starts at zero. + */ + extern int cfulist_nth_data(cfulist_t *list, void **data, size_t *data_size, size_t n); + + extern void cfulist_reset_each(cfulist_t *list); + extern int cfulist_each_data(cfulist_t *list, void **data, size_t *data_size); + extern int cfulist_next_data(cfulist_t *list, void **data, size_t *data_size); + + /* Calls fe_fn() for each element in the list. Also passes arg on + * each call. If fe_fn() returns a non-zero value, the iteration + * over the elements stops. + */ + extern size_t cfulist_foreach(cfulist_t *list, cfulist_foreach_fn_t fe_fn, void *arg); + + /* Creates a new list from the list passed in. Calls map_fn() on + * each element in the list. The return value is placed in the + * corresponding position in the new list. + */ + extern cfulist_t *cfulist_map(cfulist_t *list, cfulist_map_fn_t map_fn, void *arg); + + /* Free all resources used by the list. */ + extern void cfulist_destroy(cfulist_t *list); + extern void cfulist_destroy_with_free_fn(cfulist_t *list, cfulist_free_fn_t free_fn); + + /* When you don't care about the size of the data */ + + extern int cfulist_push(cfulist_t *list, void *data); + extern void * cfulist_pop(cfulist_t *list); + extern int cfulist_unshift(cfulist_t *list, void *data); + extern void * cfulist_shift(cfulist_t *list); + extern int cfulist_enqueue(cfulist_t *list, void *data); + extern void *cfulist_dequeue(cfulist_t *list); + + /* Strings -- assume data is a null-terminated string -- size is + * calculated by strlen(data) + 1 + */ + + extern int cfulist_push_string(cfulist_t *list, char *data); + extern char * cfulist_pop_string(cfulist_t *list); + extern int cfulist_unshift_string(cfulist_t *list, char *data); + extern char * cfulist_shift_string(cfulist_t *list); + extern int cfulist_enqueue_string(cfulist_t *list, char *data); + extern char *cfulist_dequeue_string(cfulist_t *list); + + extern char *cfulist_join(cfulist_t *list, const char *delimiter); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/cfuopt.h b/include/cfuopt.h new file mode 100644 index 0000000..32aea58 --- /dev/null +++ b/include/cfuopt.h @@ -0,0 +1,38 @@ +/* Creation date: 2005-09-04 12:54:41 + * Authors: Don + * Change log: + */ + +#include "cfu.h" + +#ifndef _CFU_OPT_H_ +#define _CFU_OPT_H_ + +CFU_BEGIN_DECLS + +struct cfuopt_struct; +typedef struct cfuopt_struct cfuopt_t; + +/* Returns a new options context */ +extern cfuopt_t *cfuopt_new(); + +/* Adds to the list of known options. */ +extern void cfuopt_add_entry(cfuopt_t *context, const char *opt_str, void *arg_data, + const char *description, const char *arg_description); + +/* Parses the command line and modifies argc and argv to account for + * left over arguments. + */ +extern void cfuopt_parse(cfuopt_t *context, int *argc, char ***argv, char **error); + +/* Returns a help string built from the entries added with + * cfuopt_add_entry(). + */ +extern char * cfuopt_get_help_str(cfuopt_t *context); + +/* Frees up resources used by the option parser. */ +extern void cfuopt_destroy(cfuopt_t *context); + +CFU_END_DECLS + +#endif diff --git a/include/cfustring.h b/include/cfustring.h new file mode 100644 index 0000000..440942c --- /dev/null +++ b/include/cfustring.h @@ -0,0 +1,126 @@ +/* Creation date: 2005-06-26 19:56:34 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFU_STRING_H_ +#define _CFU_STRING_H_ + +#include + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + + struct cfustring; + typedef struct cfustring cfustring_t; + + /* Returns a new String. */ + extern cfustring_t * cfustring_new(); + + /* Returns a new String, but preallocates a buffer of the given size. */ + extern cfustring_t * cfustring_new_with_initial_size(size_t initial_size); + + /* Returns a new String initalized with the given string. */ + extern cfustring_t * cfustring_new_from_string(const char *string); + + /* Overwrite anything currently in cfu_str with string. */ + extern int cfustring_dup(cfustring_t *cfu_str, const char *string); + + /* Truncate the string. */ + extern int cfustring_clear(cfustring_t *cfu_str); + + /* Append str to the end of the buffer in cfu_str. */ + extern int cfustring_append(cfustring_t *cfu_str, const char *str); + + /* Get the buffer used to hold the string. Do not free() it, as it is + * used directly by cfustring and will be destroyed when + * cfustring_destroy() is called. + */ + extern char * cfustring_get_buffer(cfustring_t *cfu_str); + + /* Same as cfustring_get_buffer(), except return a copy of the string. + * Caller is responsible for deallocating the buffer with free(). + */ + extern char * cfustring_get_buffer_copy(cfustring_t *cfu_str); + + /* Split cfu_str on one or more delimiting strings, e.g., + * cfustring_split(cfu_str, 2, 0, "\r\n", "\n"). Use a limit > 0 if + * you want to only get back a certain number of strings and ignore + * any extra delimiters. + */ + extern cfustring_t ** cfustring_split(cfustring_t *cfu_str, size_t *num_strings, + size_t limit, ...); + + /* Same as cfustring_split(), except return an array of C-strings. + * Caller is responsible for deallocating the buffers. + */ + extern char ** cfustring_split_to_c_str(cfustring_t *cfu_str, size_t *num_strings, + size_t limit, ...); + + /* Free all resources allocated by cfu_str. */ + extern int cfustring_destroy(cfustring_t *cfu_str); + + /* Duplicate the C string str. Caller must free with free(). */ + extern char * cfustring_dup_c_str(const char *str); + + /* Same as cfustring_dup_c_str(), but only copy at most n chars */ + extern char * cfustring_dup_c_str_n(const char *str, size_t n); + + /* Like sprintf(), but writes to a self-extending string. */ + extern size_t cfustring_sprintf(cfustring_t *cfu_str, const char *fmt, ...); + + /* Like vsprintf(), but writes to a self-extending string. */ + extern size_t cfustring_vsprintf(cfustring_t *cfu_str, const char *fmt, va_list ap); + + /* Similar to sprintf(), but allocates a C string of the + * appropriate size for you and returns it. + */ + extern char * cfustring_sprintf_c_str(const char *fmt, ...); + + /* Like cfustring_split_to_c_str(), but split a char * instead of a cfustring_t *. */ + extern char ** cfustring_c_str_split(const char *c_str, size_t *num_strings, size_t limit, ...); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/cfuthread_queue.h b/include/cfuthread_queue.h new file mode 100644 index 0000000..b80596a --- /dev/null +++ b/include/cfuthread_queue.h @@ -0,0 +1,100 @@ +/* Creation date: 2005-07-26 08:19:33 + * Authors: Don + * Change log: + */ + + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFUTHREAD_QUEUE_H +#define _CFUTHREAD_QUEUE_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + /* cfuthread_queue provides a way to serialize requests for a + * resource where you want the resource to be accessed from a + * single thread only. For instance, for a database connection + * where making calls in separate threads does not work properly, + * you can use cfuthread_queue. cfuthread_queue_new() creates a + * new thread that waits for something to be added to the queue. + * Once something is added, the thread will process the data by + * calling the function you pass as an argument to the + * cfuthread_queue_new() function. + */ + + struct cfuthread_queue; + typedef struct cfuthread_queue cfuthread_queue_t; + + typedef void * (*cfuthread_queue_fn_t)(void *arg); + typedef void (*cfuthread_queue_init_t)(void *arg); + typedef void (*cfuthread_queue_cleanup_t)(void *arg); + + /* Creates a new thread queue structure that will run the given + * function when a request is received. + */ + extern cfuthread_queue_t * cfuthread_queue_new(cfuthread_queue_fn_t fn); + + /* Same as cfuthread_queue_new(), but with an initialization + * function that gets called with the argument init_arg when the + * thread is created, and a cleanup function that gets called with + * the argument cleanup_arg when the thread exits, e.g., when + * cfuthread_queue_destroy() is called. + */ + extern cfuthread_queue_t * cfuthread_queue_new_with_cleanup(cfuthread_queue_fn_t fn, + cfuthread_queue_init_t init_fn, void *init_arg, cfuthread_queue_cleanup_t cleanup_fn, + void *cleanup_arg); + + /* Add a request to the queue. data will get passed to the + * function fn given to cfuthread_queue_new when it reaches the + * front of the queue. + */ + extern void * cfuthread_queue_make_request(cfuthread_queue_t * tq, void *data); + + /* Free up resources used by the queue, in addition to canceling + * the thread. + */ + extern void cfuthread_queue_destroy(cfuthread_queue_t *); + +#ifdef __cplusplus +} +#endif + + +#endif diff --git a/include/cfutime.h b/include/cfutime.h new file mode 100644 index 0000000..019534d --- /dev/null +++ b/include/cfutime.h @@ -0,0 +1,74 @@ +/* Creation date: 2005-06-26 18:09:46 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _CFU_TIME_H_ +#define _CFU_TIME_H_ + +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + struct cfutime; + typedef struct cfutime cfutime_t; + + /* Return a new cfutime structure. */ + extern cfutime_t *cfutime_new(); + + /* Start the timer. */ + extern void cfutime_begin(cfutime_t *time); + + /* Stop the timer. */ + extern void cfutime_end(cfutime_t *time); + + /* Return the number of seconds elapsed as a double. */ + extern double cfutime_elapsed(cfutime_t *time); + + /* Deallocate resources allocated for time. */ + extern void cfutime_free(cfutime_t *time); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/cfutypes.h b/include/cfutypes.h new file mode 100644 index 0000000..299a17f --- /dev/null +++ b/include/cfutypes.h @@ -0,0 +1,13 @@ +/* Creation date: 2005-07-30 16:44:11 + * Authors: Don + * Change log: + */ + +#ifndef _CFU_TYPES_H_ +#define _CFU_TYPES_H_ + +#include + +/* u_int is defined */ + +#endif diff --git a/include/cfutypes.h.in b/include/cfutypes.h.in new file mode 100644 index 0000000..1d4bd9c --- /dev/null +++ b/include/cfutypes.h.in @@ -0,0 +1,13 @@ +/* Creation date: 2005-07-30 16:44:11 + * Authors: Don + * Change log: + */ + +#ifndef _CFU_TYPES_H_ +#define _CFU_TYPES_H_ + +#include + +@LIBCFU_TYPE_u_int@ + +#endif diff --git a/install-sh b/install-sh new file mode 100755 index 0000000..6ce63b9 --- /dev/null +++ b/install-sh @@ -0,0 +1,294 @@ +#!/bin/sh +# +# install - install a program, script, or datafile +# +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. It can only install one file at a time, a restriction +# shared with many OS's install programs. + + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit="${DOITPROG-}" + + +# put in absolute paths if you don't have them in your path; or use env. vars. + +mvprog="${MVPROG-mv}" +cpprog="${CPPROG-cp}" +chmodprog="${CHMODPROG-chmod}" +chownprog="${CHOWNPROG-chown}" +chgrpprog="${CHGRPPROG-chgrp}" +stripprog="${STRIPPROG-strip}" +rmprog="${RMPROG-rm}" +mkdirprog="${MKDIRPROG-mkdir}" + +transformbasename="" +transform_arg="" +instcmd="$mvprog" +chmodcmd="$chmodprog 0755" +chowncmd="" +chgrpcmd="" +stripcmd="" +rmcmd="$rmprog -f" +mvcmd="$mvprog" +src="" +dst="" +dir_arg="" + +while [ x"$1" != x ]; do + case $1 in + -c) instcmd=$cpprog + shift + continue;; + + -d) dir_arg=true + shift + continue;; + + -m) chmodcmd="$chmodprog $2" + shift + shift + continue;; + + -o) chowncmd="$chownprog $2" + shift + shift + continue;; + + -g) chgrpcmd="$chgrpprog $2" + shift + shift + continue;; + + -s) stripcmd=$stripprog + shift + continue;; + + -t=*) transformarg=`echo $1 | sed 's/-t=//'` + shift + continue;; + + -b=*) transformbasename=`echo $1 | sed 's/-b=//'` + shift + continue;; + + *) if [ x"$src" = x ] + then + src=$1 + else + # this colon is to work around a 386BSD /bin/sh bug + : + dst=$1 + fi + shift + continue;; + esac +done + +if [ x"$src" = x ] +then + echo "$0: no input file specified" >&2 + exit 1 +else + : +fi + +if [ x"$dir_arg" != x ]; then + dst=$src + src="" + + if [ -d "$dst" ]; then + instcmd=: + chmodcmd="" + else + instcmd=$mkdirprog + fi +else + +# Waiting for this to be detected by the "$instcmd $src $dsttmp" command +# might cause directories to be created, which would be especially bad +# if $src (and thus $dsttmp) contains '*'. + + if [ -f "$src" ] || [ -d "$src" ] + then + : + else + echo "$0: $src does not exist" >&2 + exit 1 + fi + + if [ x"$dst" = x ] + then + echo "$0: no destination specified" >&2 + exit 1 + else + : + fi + +# If destination is a directory, append the input filename; if your system +# does not like double slashes in filenames, you may need to add some logic + + if [ -d "$dst" ] + then + dst=$dst/`basename "$src"` + else + : + fi +fi + +## this sed command emulates the dirname command +dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` + +# Make sure that the destination directory exists. +# this part is taken from Noah Friedman's mkinstalldirs script + +# Skip lots of stat calls in the usual case. +if [ ! -d "$dstdir" ]; then +defaultIFS=' + ' +IFS="${IFS-$defaultIFS}" + +oIFS=$IFS +# Some sh's can't handle IFS=/ for some reason. +IFS='%' +set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` +IFS=$oIFS + +pathcomp='' + +while [ $# -ne 0 ] ; do + pathcomp=$pathcomp$1 + shift + + if [ ! -d "$pathcomp" ] ; + then + $mkdirprog "$pathcomp" + else + : + fi + + pathcomp=$pathcomp/ +done +fi + +if [ x"$dir_arg" != x ] +then + $doit $instcmd "$dst" && + + if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && + if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && + if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && + if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi +else + +# If we're going to rename the final executable, determine the name now. + + if [ x"$transformarg" = x ] + then + dstfile=`basename "$dst"` + else + dstfile=`basename "$dst" $transformbasename | + sed $transformarg`$transformbasename + fi + +# don't allow the sed command to completely eliminate the filename + + if [ x"$dstfile" = x ] + then + dstfile=`basename "$dst"` + else + : + fi + +# Make a couple of temp file names in the proper directory. + + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + +# Trap to clean up temp files at exit. + + trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 + trap '(exit $?); exit' 1 2 13 15 + +# Move or copy the file name to the temp name + + $doit $instcmd "$src" "$dsttmp" && + +# and set any options; do chmod last to preserve setuid bits + +# If any of these fail, we abort the whole thing. If we want to +# ignore errors from any of these, just make sure not to ignore +# errors from the above "$doit $instcmd $src $dsttmp" command. + + if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && + if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && + if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && + if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && + +# Now remove or move aside any old file at destination location. We try this +# two ways since rm can't unlink itself on some systems and the destination +# file might be busy for other reasons. In this case, the final cleanup +# might fail but the new file should still install successfully. + +{ + if [ -f "$dstdir/$dstfile" ] + then + $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || + $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || + { + echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 + (exit 1); exit + } + else + : + fi +} && + +# Now rename the file to the real destination. + + $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + +fi && + +# The final little trick to "correctly" pass the exit status to the exit trap. + +{ + (exit 0); exit +} diff --git a/missing b/missing new file mode 100755 index 0000000..fc54c64 --- /dev/null +++ b/missing @@ -0,0 +1,336 @@ +#! /bin/sh +# Common stub for a few missing GNU programs while installing. +# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003 Free Software Foundation, Inc. +# Originally by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 +fi + +run=: + +# In the cases where this matters, `missing' is being run in the +# srcdir already. +if test -f configure.ac; then + configure_ac=configure.ac +else + configure_ac=configure.in +fi + +case "$1" in +--run) + # Try to run requested program, and just exit if it succeeds. + run= + shift + "$@" && exit 0 + ;; +esac + +# If it does not exist, or fails to run (possibly an outdated version), +# try to emulate it. +case "$1" in + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an +error status if there is no known handling for PROGRAM. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + --run try to run the given command, and emulate it if it fails + +Supported PROGRAM values: + aclocal touch file \`aclocal.m4' + autoconf touch file \`configure' + autoheader touch file \`config.h.in' + automake touch all \`Makefile.in' files + bison create \`y.tab.[ch]', if possible, from existing .[ch] + flex create \`lex.yy.c', if possible, from existing .c + help2man touch the output file + lex create \`lex.yy.c', if possible, from existing .c + makeinfo touch the output file + tar try tar, gnutar, gtar, then tar without non-portable flags + yacc create \`y.tab.[ch]', if possible, from existing .[ch]" + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing 0.4 - GNU automake" + ;; + + -*) + echo 1>&2 "$0: Unknown \`$1' option" + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 + ;; + + aclocal*) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified \`acinclude.m4' or \`${configure_ac}'. You might want + to install the \`Automake' and \`Perl' packages. Grab them from + any GNU archive site." + touch aclocal.m4 + ;; + + autoconf) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified \`${configure_ac}'. You might want to install the + \`Autoconf' and \`GNU m4' packages. Grab them from any GNU + archive site." + touch configure + ;; + + autoheader) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified \`acconfig.h' or \`${configure_ac}'. You might want + to install the \`Autoconf' and \`GNU m4' packages. Grab them + from any GNU archive site." + files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` + test -z "$files" && files="config.h" + touch_files= + for f in $files; do + case "$f" in + *:*) touch_files="$touch_files "`echo "$f" | + sed -e 's/^[^:]*://' -e 's/:.*//'`;; + *) touch_files="$touch_files $f.in";; + esac + done + touch $touch_files + ;; + + automake*) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. + You might want to install the \`Automake' and \`Perl' packages. + Grab them from any GNU archive site." + find . -type f -name Makefile.am -print | + sed 's/\.am$/.in/' | + while read f; do touch "$f"; done + ;; + + autom4te) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is needed, and you do not seem to have it handy on your + system. You might have modified some files without having the + proper tools for further handling them. + You can get \`$1' as part of \`Autoconf' from any GNU + archive site." + + file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'` + test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'` + if test -f "$file"; then + touch $file + else + test -z "$file" || exec >$file + echo "#! /bin/sh" + echo "# Created by GNU Automake missing as a replacement of" + echo "# $ $@" + echo "exit 0" + chmod +x $file + exit 1 + fi + ;; + + bison|yacc) + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified a \`.y' file. You may need the \`Bison' package + in order for those modifications to take effect. You can get + \`Bison' from any GNU archive site." + rm -f y.tab.c y.tab.h + if [ $# -ne 1 ]; then + eval LASTARG="\${$#}" + case "$LASTARG" in + *.y) + SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` + if [ -f "$SRCFILE" ]; then + cp "$SRCFILE" y.tab.c + fi + SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` + if [ -f "$SRCFILE" ]; then + cp "$SRCFILE" y.tab.h + fi + ;; + esac + fi + if [ ! -f y.tab.h ]; then + echo >y.tab.h + fi + if [ ! -f y.tab.c ]; then + echo 'main() { return 0; }' >y.tab.c + fi + ;; + + lex|flex) + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified a \`.l' file. You may need the \`Flex' package + in order for those modifications to take effect. You can get + \`Flex' from any GNU archive site." + rm -f lex.yy.c + if [ $# -ne 1 ]; then + eval LASTARG="\${$#}" + case "$LASTARG" in + *.l) + SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` + if [ -f "$SRCFILE" ]; then + cp "$SRCFILE" lex.yy.c + fi + ;; + esac + fi + if [ ! -f lex.yy.c ]; then + echo 'main() { return 0; }' >lex.yy.c + fi + ;; + + help2man) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified a dependency of a manual page. You may need the + \`Help2man' package in order for those modifications to take + effect. You can get \`Help2man' from any GNU archive site." + + file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` + if test -z "$file"; then + file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'` + fi + if [ -f "$file" ]; then + touch $file + else + test -z "$file" || exec >$file + echo ".ab help2man is required to generate this page" + exit 1 + fi + ;; + + makeinfo) + if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then + # We have makeinfo, but it failed. + exit 1 + fi + + echo 1>&2 "\ +WARNING: \`$1' is missing on your system. You should only need it if + you modified a \`.texi' or \`.texinfo' file, or any other file + indirectly affecting the aspect of the manual. The spurious + call might also be the consequence of using a buggy \`make' (AIX, + DU, IRIX). You might want to install the \`Texinfo' package or + the \`GNU make' package. Grab either from any GNU archive site." + file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` + if test -z "$file"; then + file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` + file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` + fi + touch $file + ;; + + tar) + shift + if test -n "$run"; then + echo 1>&2 "ERROR: \`tar' requires --run" + exit 1 + fi + + # We have already tried tar in the generic part. + # Look for gnutar/gtar before invocation to avoid ugly error + # messages. + if (gnutar --version > /dev/null 2>&1); then + gnutar "$@" && exit 0 + fi + if (gtar --version > /dev/null 2>&1); then + gtar "$@" && exit 0 + fi + firstarg="$1" + if shift; then + case "$firstarg" in + *o*) + firstarg=`echo "$firstarg" | sed s/o//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + case "$firstarg" in + *h*) + firstarg=`echo "$firstarg" | sed s/h//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + fi + + echo 1>&2 "\ +WARNING: I can't seem to be able to run \`tar' with the given arguments. + You may want to install GNU tar or Free paxutils, or check the + command line arguments." + exit 1 + ;; + + *) + echo 1>&2 "\ +WARNING: \`$1' is needed, and you do not seem to have it handy on your + system. You might have modified some files without having the + proper tools for further handling them. Check the \`README' file, + it often tells you about the needed prerequisites for installing + this package. You may also peek at any GNU archive site, in case + some other package would contain this missing \`$1' program." + exit 1 + ;; +esac + +exit 0 diff --git a/mkinstalldirs b/mkinstalldirs new file mode 100755 index 0000000..d2d5f21 --- /dev/null +++ b/mkinstalldirs @@ -0,0 +1,111 @@ +#! /bin/sh +# mkinstalldirs --- make directory hierarchy +# Author: Noah Friedman +# Created: 1993-05-16 +# Public domain + +errstatus=0 +dirmode="" + +usage="\ +Usage: mkinstalldirs [-h] [--help] [-m mode] dir ..." + +# process command line arguments +while test $# -gt 0 ; do + case $1 in + -h | --help | --h*) # -h for help + echo "$usage" 1>&2 + exit 0 + ;; + -m) # -m PERM arg + shift + test $# -eq 0 && { echo "$usage" 1>&2; exit 1; } + dirmode=$1 + shift + ;; + --) # stop option processing + shift + break + ;; + -*) # unknown option + echo "$usage" 1>&2 + exit 1 + ;; + *) # first non-opt arg + break + ;; + esac +done + +for file +do + if test -d "$file"; then + shift + else + break + fi +done + +case $# in + 0) exit 0 ;; +esac + +case $dirmode in + '') + if mkdir -p -- . 2>/dev/null; then + echo "mkdir -p -- $*" + exec mkdir -p -- "$@" + fi + ;; + *) + if mkdir -m "$dirmode" -p -- . 2>/dev/null; then + echo "mkdir -m $dirmode -p -- $*" + exec mkdir -m "$dirmode" -p -- "$@" + fi + ;; +esac + +for file +do + set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` + shift + + pathcomp= + for d + do + pathcomp="$pathcomp$d" + case $pathcomp in + -*) pathcomp=./$pathcomp ;; + esac + + if test ! -d "$pathcomp"; then + echo "mkdir $pathcomp" + + mkdir "$pathcomp" || lasterr=$? + + if test ! -d "$pathcomp"; then + errstatus=$lasterr + else + if test ! -z "$dirmode"; then + echo "chmod $dirmode $pathcomp" + lasterr="" + chmod "$dirmode" "$pathcomp" || lasterr=$? + + if test ! -z "$lasterr"; then + errstatus=$lasterr + fi + fi + fi + fi + + pathcomp="$pathcomp/" + done +done + +exit $errstatus + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# End: +# mkinstalldirs ends here diff --git a/src/Makefile.am b/src/Makefile.am new file mode 100644 index 0000000..7090a73 --- /dev/null +++ b/src/Makefile.am @@ -0,0 +1,28 @@ +lib_LIBRARIES = libcfu.a +libcfu_a_SOURCES = cfuhash.c cfutime.c cfustring.c cfulist.c cfuconf.c cfuthread_queue.c cfu.c cfuopt.c +bin_PROGRAMS = libcfu-config + +CFU_CONFIG_DEFINES = -DCFU_LIBDIR="\"@libdir@\"" -DCFU_LIBS="\"@LIBS@\"" -DCFU_INCLUDEDIR="\"@includedir@\"" -DCFU_PREFIX="\"@prefix@\"" -DCFU_EXEC_PREFIX="\"@exec_prefix@\"" + +if DEBUG +AM_CFLAGS = -Wall -W -DCFU_DEBUG=1 $(CFU_CONFIG_DEFINES) +else +AM_CFLAGS = -Wall -W $(CFU_CONFIG_DEFINES) +endif + +include_HEADERS = $(top_srcdir)/include/cfu.h $(top_srcdir)/include/cfuhash.h \ + $(top_srcdir)/include/cfutime.h $(top_srcdir)/include/cfustring.h \ + $(top_srcdir)/include/cfulist.h $(top_srcdir)/include/cfuconf.h \ + $(top_srcdir)/include/cfuthread_queue.h $(top_srcdir)/include/cfutypes.h \ + $(top_srcdir)/include/cfuopt.h + +# libcfu_a_LDFLAGS = -lpthread +INCLUDES = -I$(top_srcdir)/include + +default: libcfu.a libcfu-config + +libcfu-config.o: libcfu-config.c + +libcfu-config: libcfu.a libcfu-config.o + $(CC) $(CFLAGS) -o libcfu-config libcfu-config.o libcfu.a -pthread + diff --git a/src/Makefile.in b/src/Makefile.in new file mode 100644 index 0000000..1af179a --- /dev/null +++ b/src/Makefile.in @@ -0,0 +1,497 @@ +# Makefile.in generated by automake 1.9.2 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + + +SOURCES = $(libcfu_a_SOURCES) libcfu-config.c + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = .. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +bin_PROGRAMS = libcfu-config$(EXEEXT) +subdir = src +DIST_COMMON = $(include_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in TODO +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" + +struct libcfu_item { + libcfu_type type; +}; + +extern libcfu_type +cfu_get_type(void *item) { + if (!item) return libcfu_t_none; + return ((libcfu_item_t *)item)->type; +} + +extern int +cfu_is_hash(void *item) { + if (cfu_get_type(item) == libcfu_t_hash_table) return 1; + return 0; +} + +extern int +cfu_is_list(void *item) { + if (cfu_get_type(item) == libcfu_t_list) return 1; + return 0; +} + +extern int +cfu_is_string(void *item) { + if (cfu_get_type(item) == libcfu_t_string) return 1; + return 0; +} + +extern int +cfu_is_time(void *item) { + if (cfu_get_type(item) == libcfu_t_time) return 1; + return 0; +} + +extern int +cfu_is_conf(void *item) { + if (cfu_get_type(item) == libcfu_t_conf) return 1; + return 0; +} diff --git a/src/cfuconf.c b/src/cfuconf.c new file mode 100644 index 0000000..68eb934 --- /dev/null +++ b/src/cfuconf.c @@ -0,0 +1,811 @@ +/* Creation date: 2005-07-08 22:23:31 + * Authors: Don + * Change log: + */ + + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" +#include "cfuconf.h" + +#include +#include +#include +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +struct cfuconf { + libcfu_type type; + cfuhash_table_t *containers; + cfuhash_table_t *directives; + char *container_type; + char *container_name; +}; + +typedef struct cfuconf_stack_entry { + cfuhash_table_t *ht; + char *container_type; + char *container_name; +} cfuconf_stack_entry_t; + +static cfuconf_t * +cfuconf_new() { + cfuconf_t *conf = (cfuconf_t *)calloc(1, sizeof(cfuconf_t)); + conf->type = libcfu_t_conf; + conf->containers = cfuhash_new_with_flags(CFUHASH_IGNORE_CASE); + conf->directives = cfuhash_new_with_flags(CFUHASH_IGNORE_CASE); + + return conf; +} + +static void +_free_val_fn(void *data) { + free(data); +} + +static void +_container_free_fn(void *data) { + assert(cfu_is_conf(data)); + cfuconf_destroy((cfuconf_t *)data); +} + +static void +_container_free_hashes_fn(void *data) { + assert(cfu_is_hash(data)); + cfuhash_destroy_with_free_fn((cfuhash_table_t *)data, _container_free_fn); +} + +/* +static void +_container_free_foreach_fn(void *key, size_t key_size, void *data, size_t data_size, void *arg) { + key = key; + key_size = key_size; + arg = arg; + data_size = data_size; + assert(cfu_is_hash(data)); + cfuhash_destroy_with_free_fn((cfuhash_table_t *)data, _container_free_fn); +} +*/ + +static void +_directive_free_val_list_fn(void *data) { + cfulist_t *val_list = (cfulist_t *)data; + assert(cfu_is_list(val_list)); + + cfulist_destroy_with_free_fn(val_list, _free_val_fn); +} + +static void +_directive_free_fn(void *data) { + cfulist_t *list = (cfulist_t *)data; + assert(cfu_is_list(list)); + + cfulist_destroy_with_free_fn(list, _directive_free_val_list_fn); +} + +extern void +cfuconf_destroy(cfuconf_t *conf) { + if (conf->containers) { + /* cfuhash_foreach(conf->containers, _container_free_foreach_fn, NULL); */ + cfuhash_destroy_with_free_fn(conf->containers, _container_free_hashes_fn); + } + if (conf->directives) { + cfuhash_destroy_with_free_fn(conf->directives, _directive_free_fn); + } + if (conf->container_type) free(conf->container_type); + if (conf->container_name) free(conf->container_name); + free(conf); +} + +extern cfuhash_table_t * +cfuconf_get_containers(cfuconf_t *conf) { + if (!conf) return NULL; + return conf->containers; +} + +extern cfuhash_table_t * +cfuconf_get_directives(cfuconf_t *conf) { + if (!conf) return NULL; + return conf->directives; +} + +static int +_get_directive_last_val_list(cfuconf_t *conf, char *directive, cfulist_t **val_list) { + cfuhash_table_t *directives = NULL; + void *data = NULL; + size_t data_size = 0; + cfulist_t *list = NULL; + + if (!conf) { + return -1; + } + + directives = cfuconf_get_directives(conf); + if (!directives) { + return -1; + } + + if (cfuhash_get_data(directives, (void *)directive, -1, &data, &data_size)) { + void *val = NULL; + size_t size = 0; + list = (cfulist_t *)data; + if (cfulist_last_data(list, &val, &size)) { + *val_list = (cfulist_t *)val; + return 0; + } + } + + return -1; + +} + +extern int +cfuconf_get_directive_one_arg(cfuconf_t *conf, char *directive, char **rvalue) { + cfulist_t *val_list = NULL; + void *val = NULL; + size_t size = 0; + if (_get_directive_last_val_list(conf, directive, &val_list) >= 0) { + if (cfulist_first_data(val_list, &val, &size)) { + *rvalue = (char *)val; + return 0; + } + } else { + return -1; + } + + return -1; +} + +extern int +cfuconf_get_directive_two_args(cfuconf_t *conf, char *directive, char **rvalue, char **rvalue2) { + return cfuconf_get_directive_n_args(conf, directive, 2, rvalue, rvalue2); +} + +extern int +cfuconf_get_directive_n_args(cfuconf_t *conf, char *directive, size_t n, ...) { + va_list ap; + size_t i = 0; + char **ptr = NULL; + int rv = -1; + cfulist_t *val_list = NULL; + void *val = NULL; + size_t size = 0; + + if (_get_directive_last_val_list(conf, directive, &val_list) >= 0) { + + va_start(ap, n); + for (i = 0; i < n; i++) { + ptr = va_arg(ap, char **); + if (cfulist_nth_data(val_list, &val, &size, 1)) { + *ptr = (char *)val; + } else { + i--; + break; + } + } + va_end(ap); + + if (i == n) rv = 0; + + } + + return rv; +} + +/* +static cfuconf_stack_entry_t * +new_stack_entry(cfuhash_table_t *ht, char *container_type, char *container_name) { + cfuconf_stack_entry_t *entry = + (cfuconf_stack_entry_t *)calloc(1, sizeof(cfuconf_stack_entry_t)); + entry->ht = ht; + entry->container_type = container_type; + entry->container_name = container_name; + return entry; +} +*/ + +static char * +cfuconf_get_line(FILE *fp) { + char buf[1024]; + cfustring_t *str = cfustring_new_with_initial_size(16); + char *rv = NULL; + + if (fgets(buf, 1024, fp)) { + cfustring_append(str, buf); + while (strlen(buf) == 1024 - 1 && buf[1024 - 2] != '\n') { + if (!fgets(buf, 1024, fp)) break; + cfustring_append(str, buf); + } + rv = cfustring_get_buffer_copy(str); + } + + cfustring_destroy(str); + return rv; +} + +static cfulist_t * +_slurp_file_from_fp(FILE *fp) { + cfulist_t *lines = cfulist_new(); + char *buf = NULL; + + while ( (buf = cfuconf_get_line(fp)) ) { + cfulist_push(lines, buf); + } + + return lines; +} + +static inline int +_is_whitespace(char c) { + if (c == ' ' || c == '\t' || c == '\r' || c == '\n') { + return 1; + } + return 0; +} + +static inline char * +_eat_whitespace(char *buf) { + char *ptr = buf; + + while (_is_whitespace(*ptr)) { + ptr++; + } + + return ptr; +} + +static char * +_get_name(char **buf) { + char *ptr = *buf; + char *name = *buf; + name = _eat_whitespace(*buf); + ptr = name; + + if (!*ptr || *ptr == '>') { + *buf = ptr; + return NULL; + } + while (*ptr && *ptr != '>' && !_is_whitespace(*ptr)) ptr++; + name = cfustring_dup_c_str_n(name, ptr - name); + *buf = ptr; + + return name; +} + +static char * +_get_value(char **buf) { + char *ptr = *buf; + char *value = *buf; + value = _eat_whitespace(*buf); + ptr = value; + + if (!*ptr || *ptr == '>') { + *buf = ptr; + return NULL; + } + while (*ptr && *ptr != '>' && !_is_whitespace(*ptr)) ptr++; + value = cfustring_dup_c_str_n(value, ptr - value); + *buf = ptr; + + return value; +} + +static char * +_dup_c_str_n_drop_escape(const char *str, size_t n, char escape) { + size_t len = n; + char *ns = NULL; + char *ptr = NULL; + char *ns_ptr = NULL; + char last_char = '\000'; + char *end = (char *)str + n; + + if (n == 0) return NULL; + + ptr = (char *)str; + ns_ptr = ns = (char *)calloc(len + 1, 1); + + last_char = *ptr; + for (ptr = (char *)str; ptr < end; ptr++) { + if (*ptr == escape && (last_char != escape || ptr == (char *)str)) { + if (ptr == (char *)str) { + if (*(ptr + 1) == escape) { + last_char = *ptr; + *ns_ptr = *ptr; + ns_ptr++; + } + } + last_char = *ptr; + } else { + last_char = *ptr; + *ns_ptr = *ptr; + ns_ptr++; + } + } + *ns_ptr = '\000'; + + return ns; +} + +static char * +_get_quoted_value(char **buf, char quote) { + char *ptr = NULL; + char *value = NULL; + char last_char = '\000'; + int done = 0; + int found_escape = 0; + + if (!buf) return NULL; + if (!*buf) return NULL; + ptr = value = *buf; + last_char = *ptr; + while (!done) { + while (*ptr && *ptr != quote) { + if (*ptr == '\\') found_escape = 1; + last_char = *ptr; + ptr++; + } + if (last_char != '\\' || !*ptr) done = 1; + else { + if (last_char == '\\') { + ptr++; + found_escape = 1; + } + } + } + if (!*ptr) return NULL; + *buf = ptr; + + if (found_escape) { + value = _dup_c_str_n_drop_escape(value, ptr - value, '\\'); + } else { + value = cfustring_dup_c_str_n(value, ptr - value); + } + return value; +} + +static char * +_get_next_value(char **buf) { + char *ptr = *buf; + char *value = *buf; + value = _eat_whitespace(*buf); + ptr = value; + + if (!*ptr || *ptr == '>') { + *buf = ptr; + return NULL; + } + if (*ptr == '"' || *ptr == '\'') { + char quote = *ptr; + ptr++; + value = _get_quoted_value(&ptr, quote); + } else { + while (*ptr && *ptr != '>' && !_is_whitespace(*ptr)) ptr++; + value = cfustring_dup_c_str_n(value, ptr - value); + } + + *buf = ptr; + + return value; +} + +#if 0 +static char * +_get_long_value(char **buf) { + char *ptr = *buf; + char *value = *buf; + size_t len = strlen(*buf); + + value = _eat_whitespace(*buf); + ptr = *buf + len; + while (ptr > value && _is_whitespace(*ptr)) { + ptr--; + } + + if (ptr == value) return NULL; + + value = cfustring_dup_c_str_n(value, ptr - value - 1); + *buf = ptr; + + return value; +} +#endif + +/* FIXME: implement these */ +/* get directives */ +/* get_containers */ +/* get_containers_of_type */ +/* xpath type access */ + +static cfuconf_t * +_cfuconf_parse_list(cfulist_t *lines, char **error) { + char *line = NULL; + char *ptr = NULL; + cfulist_t *stack = cfulist_new(); + size_t cur_line = 0; + cfuconf_t *conf = cfuconf_new(); + cfuconf_t *cur_conf = NULL; + + cur_conf = conf; + + while ( (line = (char *)cfulist_shift(lines)) ) { + cur_line++; + ptr = _eat_whitespace(line); + if (!*ptr || *ptr == '#') { + /* blank line or comment */ + free(line); + continue; + } + + if (*ptr == '<') { /* opening or closing container tag */ + ptr++; + if (*ptr == '/') { + /* closing tag */ + char *name = NULL; + + ptr++; + name = _get_name(&ptr); + if (!name) { + if (error) { + *error = cfustring_sprintf_c_str("cfuconf: syntax error at line %u\n", + cur_line); + } + free(line); + free(name); + return NULL; + } + + if (strcasecmp(name, cur_conf->container_type)) { + if (error) { + *error = cfustring_sprintf_c_str("Error: syntax error at line %u: " + "unmatched container should be %s\n", cur_line, + cur_conf->container_type); + } + /* FIXME: clean up memory here */ + free(line); + free(name); + return NULL; + } + + free(name); name = NULL; + + cur_conf = cfulist_pop(stack); + if (!cur_conf) { + free(line); + return NULL; + } + + /* fprintf(stderr, "====> got closing tag '%s'\n", name); */ + } else { + /* opening tag */ + char *name = NULL; + char *value = NULL; + cfuhash_table_t *this_hash = NULL; + cfuconf_t *new_conf = NULL; + name = _get_name(&ptr); + if (!name) { + if (error) { + *error = cfustring_sprintf_c_str("cfuconf: syntax error at line %u\n", + cur_line); + } + free(line); + + /* FIXME: clean up memory here */ + return NULL; + } + + ptr = _eat_whitespace(ptr); + value = _get_value(&ptr); + + assert(cur_conf); + + if ( !(this_hash = cfuhash_get(cur_conf->containers, name)) ) { + this_hash = cfuhash_new_with_flags(CFUHASH_IGNORE_CASE); + cfuhash_put(cur_conf->containers, name, (void *)this_hash); + } + + if ( !(new_conf = cfuhash_get(this_hash, value)) ) { + new_conf = cfuconf_new(); + new_conf->container_type = name; + new_conf->container_name = value; + cfuhash_put(this_hash, value, (void *)new_conf); + } else { + free(name); name = NULL; + free(value); value = NULL; + } + + cfulist_push(stack, (void *)cur_conf); + cur_conf = new_conf; + + /* + fprintf(stderr, "====> got opening tag '%s' with param '%s'\n", name, value); + */ + } + } else { + char *name = NULL; + char *value = NULL; + cfulist_t *list = NULL; + cfulist_t *val_list = NULL; + + name = _get_name(&ptr); + ptr = _eat_whitespace(ptr); + + if ( !(list = cfuhash_get(cur_conf->directives, name)) ) { + list = cfulist_new(); + cfuhash_put(cur_conf->directives, name, (void *)list); + } + free(name); name = NULL; + + val_list = cfulist_new(); + cfulist_enqueue(list, (void *)val_list); + + /* fprintf(stderr, "====> got '%s' =>", name); */ + while ( (value = _get_next_value(&ptr) ) ) { + /* fprintf(stderr, " '%s'", value); */ + cfulist_enqueue(val_list, (void *)value); + if (*ptr) { + ptr++; + ptr = _eat_whitespace(ptr); + } + } + /* fprintf(stderr, "\n"); */ + } + + free(line); + } + + cfulist_destroy(stack); + return conf; +} + +extern int +cfuconf_parse_file(char *file_path, cfuconf_t **ret_conf, char **error) { + FILE *fp = NULL; + cfulist_t *lines = NULL; + cfuconf_t *conf = NULL; + + if (! (fp = fopen(file_path, "r")) ) { + *ret_conf = NULL; + if (error) { + *error = cfustring_sprintf_c_str("Couldn't open file"); + } + return -1; + } + + lines = _slurp_file_from_fp(fp); + fclose(fp); fp = NULL; + if (!lines) return -1; + + conf = _cfuconf_parse_list(lines, error); + cfulist_destroy(lines); + *ret_conf = conf; + if (conf) return 0; + return -1; +} + +extern int +cfuconf_parse_buffer(char *buffer, cfuconf_t **ret_conf, char **error) { + cfulist_t *lines = cfulist_new(); + char **strings = NULL; + size_t num_strings = 0; + cfuconf_t *conf = NULL; + size_t i = 0; + + if (!buffer) return -1; + + strings = cfustring_c_str_split(buffer, &num_strings, 0, "\r\n", "\n", NULL); + if (!strings) return -1; + + for (i = 0; i < num_strings; i++) { + cfulist_push_string(lines, strings[i]); + } + + conf = _cfuconf_parse_list(lines, error); + cfulist_destroy(lines); + *ret_conf = conf; + + free(strings); + + if (conf) return 0; + return -1; +} + + + +static void +print_indent(size_t depth, FILE *fp) { + size_t i = 0; + if (depth <= 0) return; + for (i = 0; i < depth; i++) { + fprintf(fp, "\t"); + } +} + +static void +print_container(cfuhash_table_t *conf_hash, size_t depth) { + char **keys = NULL; + size_t num_keys = 0; + void *val = NULL; + cfulist_t *ol = NULL; + cfulist_t *il = NULL; + size_t i = 0; + size_t data_size = 0; + void *entry = NULL; + cfuhash_table_t *ht = NULL; + keys = (char **)cfuhash_keys(conf_hash, &num_keys, 0); + for (i = 0; i < num_keys; i++) { + entry = cfuhash_get(conf_hash, keys[i]); + if (cfu_is_list(entry)) { + ol = (cfulist_t *)entry; + cfulist_reset_each(ol); + while (cfulist_next_data(ol, (void *)&il, &data_size)) { + print_indent(depth, stderr); + fprintf(stderr, "%s =>", keys[i]); + cfulist_reset_each(il); + while (cfulist_next_data(il, &val, &data_size)) { + fprintf(stderr, " '%s'", (char *)val); + } + fprintf(stderr, "\n"); + } + } else if (cfu_is_hash(entry)) { + /* container */ + char **container_names = NULL; + size_t num_containers = 0; + char *container_type = keys[i]; + char *container_name = NULL; + cfuhash_table_t *container = NULL; + size_t j = 0; + ht = (cfuhash_table_t *)entry; + container_names = (char **)cfuhash_keys(ht, &num_containers, 0); + for (j = 0; j < num_containers; j++) { + container_name = container_names[j]; + + print_indent(depth, stderr); + fprintf(stderr, "%s: '%s'\n", container_type, container_name); + + container = cfuhash_get(ht, container_name); + print_container(container, depth + 1); + } + + free(container_names); + } + free(keys[i]); + } + free(keys); +} + +typedef struct directive_foreach_ds { + size_t depth; + FILE *fp; + char *name; +} directive_foreach_ds; + +static void print_conf(cfuconf_t *conf, size_t depth, FILE *fp); + +static int +print_sub_container_foreach_fn(void *name, size_t key_size, void *data, size_t data_size, + void *arg) { + directive_foreach_ds *ds = (directive_foreach_ds *)arg; + + name = name; + key_size = key_size; + data_size = data_size; + + print_indent(ds->depth, ds->fp); + fprintf(ds->fp, "container %s '%s'\n", ds->name, (char *)name); + print_conf((cfuconf_t *)data, ds->depth + 1, ds->fp); + return 0; +} + +static int +print_container_foreach_fn(void *name, size_t key_size, void *data, size_t data_size, void *arg) { + directive_foreach_ds *ds = (directive_foreach_ds *)arg; + directive_foreach_ds *new_ds = (directive_foreach_ds *)calloc(1, sizeof(directive_foreach_ds)); + + memcpy(new_ds, ds, sizeof(directive_foreach_ds)); + new_ds->name = (char *)name; + + key_size = key_size; + data_size = data_size; + + cfuhash_foreach((cfuhash_table_t *)data, print_sub_container_foreach_fn, new_ds); + free(new_ds); + return 0; +} + + +static int +print_directive_list_foreach_fn(void *data, size_t data_size, void *arg) { + cfulist_t *val_list = (cfulist_t *)data; + directive_foreach_ds *ds = (directive_foreach_ds *)arg; + char *str = NULL; + + data_size = data_size; + if (!val_list) return 0; + assert(cfu_is_list(val_list)); + str = cfulist_join(val_list, ", "); + print_indent(ds->depth, ds->fp); + fprintf(ds->fp, "directive '%s' => %s\n", ds->name, str); + free(str); + return 0; +} + +static int +print_conf_foreach_directive(void *name, size_t key_size, void *data, size_t data_size, void *arg) { + directive_foreach_ds *ds = (directive_foreach_ds *)arg; + cfulist_t *this_directive_list = (cfulist_t *)data; + directive_foreach_ds *new_ds = (directive_foreach_ds *)calloc(1, sizeof(directive_foreach_ds)); + + key_size = key_size; + data_size = data_size; + + new_ds->fp = ds->fp; + new_ds->depth = ds->depth; + new_ds->name = name; + + assert(cfu_is_list(this_directive_list)); + cfulist_foreach(this_directive_list, print_directive_list_foreach_fn, new_ds); + + free(new_ds); + return 0; +} + +static void +print_conf(cfuconf_t *conf, size_t depth, FILE *fp) { + directive_foreach_ds *ds = (directive_foreach_ds *)calloc(1, sizeof(directive_foreach_ds)); + ds->depth = depth; + ds->fp = fp; + + cfuhash_foreach(cfuconf_get_directives(conf), print_conf_foreach_directive, ds); + cfuhash_foreach(cfuconf_get_containers(conf), print_container_foreach_fn, ds); + + free(ds); +} + +extern void +cfuconf_pretty_print_conf(cfuconf_t *conf, FILE *fp, size_t indent_level) { + print_conf(conf, indent_level, fp); +} diff --git a/src/cfuhash.c b/src/cfuhash.c new file mode 100644 index 0000000..8c8b124 --- /dev/null +++ b/src/cfuhash.c @@ -0,0 +1,897 @@ +/* Creation date: 2005-06-24 21:22:40 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" + +#include +#include +#include +#include + +#include "cfuhash.h" +#include "cfustring.h" + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +typedef struct cfuhash_event_flags { + int resized:1; + int pad:31; +} cfuhash_event_flags; + +typedef struct cfuhash_entry { + void *key; + size_t key_size; + void *data; + size_t data_size; + struct cfuhash_entry *next; +} cfuhash_entry; + +struct cfuhash_table { + libcfu_type type; + size_t num_buckets; + size_t entries; /* Total number of entries in the table. */ + cfuhash_entry **buckets; + pthread_mutex_t mutex; + u_int32_t flags; + cfuhash_function_t hash_func; + size_t each_bucket_index; + cfuhash_entry *each_chain_entry; + float high; + float low; + cfuhash_free_fn_t free_fn; + unsigned int resized_count; + cfuhash_event_flags event_flags; +}; + +/* Perl's hash function */ +static u_int32_t +hash_func(const void *key, size_t length) { + register size_t i = length; + register u_int hv = 0; /* could put a seed here instead of zero */ + register const unsigned char *s = (char *)key; + while (i--) { + hv += *s++; + hv += (hv << 10); + hv ^= (hv >> 6); + } + hv += (hv << 3); + hv ^= (hv >> 11); + hv += (hv << 15); + + return hv; +} + +/* makes sure the real size of the buckets array is a power of 2 */ +static u_int +hash_size(u_int s) { + u_int i = 1; + while (i < s) i <<= 1; + return i; +} + +static inline void * +hash_key_dup(const void *key, size_t key_size) { + void *new_key = malloc(key_size); + memcpy(new_key, key, key_size); + return new_key; +} + +static inline void * +hash_key_dup_lower_case(const void *key, size_t key_size) { + char *new_key = (char *)hash_key_dup(key, key_size); + size_t i = 0; + for (i = 0; i < key_size; i++) new_key[i] = tolower(new_key[i]); + return (void *)new_key; +} + +/* returns the index into the buckets array */ +static inline u_int +hash_value(cfuhash_table_t *ht, const void *key, size_t key_size, size_t num_buckets) { + u_int hv = 0; + + if (key) { + if (ht->flags & CFUHASH_IGNORE_CASE) { + char *lc_key = (char *)hash_key_dup_lower_case(key, key_size); + hv = ht->hash_func(lc_key, key_size); + free(lc_key); + } else { + hv = ht->hash_func(key, key_size); + } + } + + /* The idea is the following: if, e.g., num_buckets is 32 + (000001), num_buckets - 1 will be 31 (111110). The & will make + sure we only get the first 5 bits which will guarantee the + index is less than 32. + */ + return hv & (num_buckets - 1); +} + +static cfuhash_table_t * +_cfuhash_new(size_t size, u_int32_t flags) { + cfuhash_table_t *ht; + + size = hash_size(size); + ht = (cfuhash_table_t *)malloc(sizeof(cfuhash_table_t)); + memset(ht, '\000', sizeof(cfuhash_table_t)); + + ht->type = libcfu_t_hash_table; + ht->num_buckets = size; + ht->entries = 0; + ht->flags = flags; + ht->buckets = (cfuhash_entry **)calloc(size, sizeof(cfuhash_entry *)); + pthread_mutex_init(&ht->mutex, NULL); + + ht->hash_func = hash_func; + ht->high = 0.75; + ht->low = 0.25; + + return ht; +} + +extern cfuhash_table_t * +cfuhash_new() { + return _cfuhash_new(8, CFUHASH_FROZEN_UNTIL_GROWS); +} + +extern cfuhash_table_t * +cfuhash_new_with_initial_size(size_t size) { + if (size == 0) size = 8; + return _cfuhash_new(size, CFUHASH_FROZEN_UNTIL_GROWS); +} + +extern cfuhash_table_t * +cfuhash_new_with_flags(u_int32_t flags) { + return _cfuhash_new(8, CFUHASH_FROZEN_UNTIL_GROWS|flags); +} + +extern cfuhash_table_t * cfuhash_new_with_free_fn(cfuhash_free_fn_t ff) { + cfuhash_table_t *ht = _cfuhash_new(8, CFUHASH_FROZEN_UNTIL_GROWS); + cfuhash_set_free_function(ht, ff); + return ht; +} + +extern int +cfuhash_copy(cfuhash_table_t *src, cfuhash_table_t *dst) { + size_t num_keys = 0; + void **keys = NULL; + size_t *key_sizes; + size_t i = 0; + void *val = NULL; + size_t data_size = 0; + + keys = cfuhash_keys_data(src, &num_keys, &key_sizes, 0); + + for (i = 0; i < num_keys; i++) { + if (cfuhash_get_data(src, (void *)keys[i], key_sizes[i], &val, &data_size)) { + cfuhash_put_data(dst, (void *)keys[i], key_sizes[i], val, data_size, NULL); + } + free(keys[i]); + } + + free(keys); + free(key_sizes); + + return 1; +} + +extern cfuhash_table_t * +cfuhash_merge(cfuhash_table_t *ht1, cfuhash_table_t *ht2, u_int32_t flags) { + cfuhash_table_t *new_ht = NULL; + + flags |= CFUHASH_FROZEN_UNTIL_GROWS; + new_ht = _cfuhash_new(cfuhash_num_entries(ht1) + cfuhash_num_entries(ht2), flags); + if (ht1) cfuhash_copy(ht1, new_ht); + if (ht2) cfuhash_copy(ht2, new_ht); + + return new_ht; +} + +/* returns the flags */ +extern u_int32_t +cfuhash_get_flags(cfuhash_table_t *ht) { + return ht->flags; +} + +/* sets the given flag and returns the old flags value */ +extern u_int32_t +cfuhash_set_flag(cfuhash_table_t *ht, u_int32_t new_flag) { + u_int32_t flags = ht->flags; + ht->flags = flags | new_flag; + return flags; +} + +extern u_int32_t +cfuhash_clear_flag(cfuhash_table_t *ht, u_int32_t new_flag) { + u_int32_t flags = ht->flags; + ht->flags = flags & ~new_flag; + return flags; +} + +extern int +cfuhash_set_thresholds(cfuhash_table_t *ht, float low, float high) { + float h = high < 0 ? ht->high : high; + float l = low < 0 ? ht->low : low; + + if (h < l) return -1; + + ht->high = h; + ht->low = l; + + return 0; +} + +/* Sets the hash function for the hash table ht. Pass NULL for hf to reset to the default */ +extern int +cfuhash_set_hash_function(cfuhash_table_t *ht, cfuhash_function_t hf) { + /* can't allow changing the hash function if the hash already contains entries */ + if (ht->entries) return -1; + + ht->hash_func = hf ? hf : hash_func; + return 0; +} + +extern int +cfuhash_set_free_function(cfuhash_table_t * ht, cfuhash_free_fn_t ff) { + if (ff) ht->free_fn = ff; + return 0; +} + +static inline void +lock_hash(cfuhash_table_t *ht) { + if (!ht) return; + if (ht->flags & CFUHASH_NO_LOCKING) return; + pthread_mutex_lock(&ht->mutex); +} + +static inline void +unlock_hash(cfuhash_table_t *ht) { + if (!ht) return; + if (ht->flags & CFUHASH_NO_LOCKING) return; + pthread_mutex_unlock(&ht->mutex); +} + +extern int +cfuhash_lock(cfuhash_table_t *ht) { + pthread_mutex_lock(&ht->mutex); + return 1; +} + +extern int +cfuhash_unlock(cfuhash_table_t *ht) { + pthread_mutex_unlock(&ht->mutex); + return 1; +} + +/* see if this key matches the one in the hash entry */ +/* uses the convention that zero means a match, like memcmp */ + +static inline int +hash_cmp(const void *key, size_t key_size, cfuhash_entry *he, u_int case_insensitive) { + if (key_size != he->key_size) return 1; + if (key == he->key) return 0; + if (case_insensitive) { + return strncasecmp(key, he->key, key_size); + } + return memcmp(key, he->key, key_size); +} + +static inline cfuhash_entry * +hash_add_entry(cfuhash_table_t *ht, u_int hv, const void *key, size_t key_size, + void *data, size_t data_size) { + cfuhash_entry *he = (cfuhash_entry *)calloc(1, sizeof(cfuhash_entry)); + + assert(hv < ht->num_buckets); + + if (ht->flags & CFUHASH_NOCOPY_KEYS) + he->key = (void *)key; + else + he->key = hash_key_dup(key, key_size); + he->key_size = key_size; + he->data = data; + he->data_size = data_size; + he->next = ht->buckets[hv]; + ht->buckets[hv] = he; + ht->entries++; + + return he; +} + +/* + Returns one if the entry was found, zero otherwise. If found, r is + changed to point to the data in the entry. +*/ +extern int +cfuhash_get_data(cfuhash_table_t *ht, const void *key, size_t key_size, void **r, + size_t *data_size) { + u_int hv = 0; + cfuhash_entry *hr = NULL; + + if (!ht) return 0; + + if (key_size == (size_t)(-1)) { + if (key) key_size = strlen(key) + 1; + else key_size = 0; + + } + + lock_hash(ht); + hv = hash_value(ht, key, key_size, ht->num_buckets); + + assert(hv < ht->num_buckets); + + for (hr = ht->buckets[hv]; hr; hr = hr->next) { + if (!hash_cmp(key, key_size, hr, ht->flags & CFUHASH_IGNORE_CASE)) break; + } + + if (hr && r) { + *r = hr->data; + if (data_size) *data_size = hr->data_size; + } + + unlock_hash(ht); + + return (hr ? 1 : 0); +} + +/* + Assumes the key is a null-terminated string, returns the data, or NULL if not found. Note that it is possible for the data itself to be NULL +*/ +extern void * +cfuhash_get(cfuhash_table_t *ht, const char *key) { + void *r = NULL; + int rv = 0; + + rv = cfuhash_get_data(ht, (const void *)key, -1, &r, NULL); + if (rv) return r; /* found */ + return NULL; +} + +/* Returns 1 if an entry exists in the table for the given key, 0 otherwise */ +extern int +cfuhash_exists_data(cfuhash_table_t *ht, const void *key, size_t key_size) { + void *r = NULL; + int rv = cfuhash_get_data(ht, key, key_size, &r, NULL); + if (rv) return 1; /* found */ + return 0; +} + +/* Same as cfuhash_exists_data(), except assumes key is a null-terminated string */ +extern int +cfuhash_exists(cfuhash_table_t *ht, const char *key) { + return cfuhash_exists_data(ht, (const void *)key, -1); +} + +/* + Add the entry to the hash. If there is already an entry for the + given key, the old data value will be returned in r, and the return + value is zero. If a new entry is created for the key, the function + returns 1. +*/ +extern int +cfuhash_put_data(cfuhash_table_t *ht, const void *key, size_t key_size, void *data, + size_t data_size, void **r) { + u_int hv = 0; + cfuhash_entry *he = NULL; + int added_an_entry = 0; + + if (key_size == (size_t)(-1)) { + if (key) key_size = strlen(key) + 1; + else key_size = 0; + } + if (data_size == (size_t)(-1)) { + if (data) data_size = strlen(data) + 1; + else data_size = 0; + + } + + lock_hash(ht); + hv = hash_value(ht, key, key_size, ht->num_buckets); + assert(hv < ht->num_buckets); + for (he = ht->buckets[hv]; he; he = he->next) { + if (!hash_cmp(key, key_size, he, ht->flags & CFUHASH_IGNORE_CASE)) break; + } + + if (he) { + if (r) *r = he->data; + if (ht->free_fn) { + ht->free_fn(he->data); + if (r) *r = NULL; /* don't return a pointer to a free()'d location */ + } + he->data = data; + he->data_size = data_size; + } else { + hash_add_entry(ht, hv, key, key_size, data, data_size); + added_an_entry = 1; + } + + unlock_hash(ht); + + if (added_an_entry && !(ht->flags & CFUHASH_FROZEN)) { + if ( (float)ht->entries/(float)ht->num_buckets > ht->high ) cfuhash_rehash(ht); + } + + return added_an_entry; +} + +/* + Same as cfuhash_put_data(), except the key is assumed to be a + null-terminated string, and the old value is returned if it existed, + otherwise NULL is returned. +*/ +extern void * +cfuhash_put(cfuhash_table_t *ht, const char *key, void *data) { + void *r = NULL; + if (!cfuhash_put_data(ht, (const void *)key, -1, data, 0, &r)) { + return r; + } + return NULL; +} + +extern void +cfuhash_clear(cfuhash_table_t *ht) { + cfuhash_entry *he = NULL; + cfuhash_entry *hep = NULL; + size_t i = 0; + + lock_hash(ht); + for (i = 0; i < ht->num_buckets; i++) { + if ( (he = ht->buckets[i]) ) { + while (he) { + hep = he; + he = he->next; + if (! (ht->flags & CFUHASH_NOCOPY_KEYS) ) free(hep->key); + if (ht->free_fn) ht->free_fn(hep->data); + free(hep); + } + ht->buckets[i] = NULL; + } + } + ht->entries = 0; + + unlock_hash(ht); + + if ( !(ht->flags & CFUHASH_FROZEN) && + !( (ht->flags & CFUHASH_FROZEN_UNTIL_GROWS) && !ht->resized_count) ) { + if ( (float)ht->entries/(float)ht->num_buckets < ht->low ) cfuhash_rehash(ht); + } + +} + +extern void * +cfuhash_delete_data(cfuhash_table_t *ht, const void *key, size_t key_size) { + u_int hv = 0; + cfuhash_entry *he = NULL; + cfuhash_entry *hep = NULL; + void *r = NULL; + + if (key_size == (size_t)(-1)) key_size = strlen(key) + 1; + lock_hash(ht); + hv = hash_value(ht, key, key_size, ht->num_buckets); + + for (he = ht->buckets[hv]; he; he = he->next) { + if (!hash_cmp(key, key_size, he, ht->flags & CFUHASH_IGNORE_CASE)) break; + hep = he; + } + + if (he) { + r = he->data; + if (hep) hep->next = he->next; + else ht->buckets[hv] = he->next; + + ht->entries--; + if (! (ht->flags & CFUHASH_NOCOPY_KEYS) ) free(he->key); + if (ht->free_fn) { + ht->free_fn(he->data); + r = NULL; /* don't return a pointer to a free()'d location */ + } + free(he); + } + + unlock_hash(ht); + + if (he && !(ht->flags & CFUHASH_FROZEN) && + !( (ht->flags & CFUHASH_FROZEN_UNTIL_GROWS) && !ht->resized_count) ) { + if ( (float)ht->entries/(float)ht->num_buckets < ht->low ) cfuhash_rehash(ht); + } + + + return r; +} + +extern void * +cfuhash_delete(cfuhash_table_t *ht, const char *key) { + return cfuhash_delete_data(ht, key, -1); +} + +extern void ** +cfuhash_keys_data(cfuhash_table_t *ht, size_t *num_keys, size_t **key_sizes, int fast) { + size_t *key_lengths = NULL; + void **keys = NULL; + cfuhash_entry *he = NULL; + size_t bucket = 0; + size_t entry_index = 0; + size_t key_count = 0; + + if (!ht) { + *key_sizes = NULL; + *num_keys = 0; + return NULL; + } + + if (! (ht->flags & CFUHASH_NO_LOCKING) ) lock_hash(ht); + + if (key_sizes) key_lengths = (size_t *)calloc(ht->entries, sizeof(size_t)); + keys = (void **)calloc(ht->entries, sizeof(void *)); + + for (bucket = 0; bucket < ht->num_buckets; bucket++) { + if ( (he = ht->buckets[bucket]) ) { + for (; he; he = he->next, entry_index++) { + if (entry_index >= ht->entries) break; /* this should never happen */ + + if (fast) { + keys[entry_index] = he->key; + } else { + keys[entry_index] = (void *)calloc(he->key_size, 1); + memcpy(keys[entry_index], he->key, he->key_size); + } + key_count++; + + if (key_lengths) key_lengths[entry_index] = he->key_size; + } + } + } + + if (! (ht->flags & CFUHASH_NO_LOCKING) ) unlock_hash(ht); + + if (key_sizes) *key_sizes = key_lengths; + *num_keys = key_count; + + return keys; +} + +extern void ** +cfuhash_keys(cfuhash_table_t *ht, size_t *num_keys, int fast) { + return cfuhash_keys_data(ht, num_keys, NULL, fast); +} + +extern int +cfuhash_each_data(cfuhash_table_t *ht, void **key, size_t *key_size, void **data, + size_t *data_size) { + + ht->each_bucket_index = -1; + ht->each_chain_entry = NULL; + + return cfuhash_next_data(ht, key, key_size, data, data_size); +} + +extern int +cfuhash_next_data(cfuhash_table_t *ht, void **key, size_t *key_size, void **data, + size_t *data_size) { + + if (ht->each_chain_entry && ht->each_chain_entry->next) { + ht->each_chain_entry = ht->each_chain_entry->next; + } else { + ht->each_chain_entry = NULL; + ht->each_bucket_index++; + for (; ht->each_bucket_index < ht->num_buckets; ht->each_bucket_index++) { + if (ht->buckets[ht->each_bucket_index]) { + ht->each_chain_entry = ht->buckets[ht->each_bucket_index]; + break; + } + } + } + + if (ht->each_chain_entry) { + *key = ht->each_chain_entry->key; + *key_size = ht->each_chain_entry->key_size; + *data = ht->each_chain_entry->data; + if (data_size) *data_size = ht->each_chain_entry->data_size; + return 1; + } + + return 0; +} + +static void +_cfuhash_destroy_entry(cfuhash_table_t *ht, cfuhash_entry *he, cfuhash_free_fn_t ff) { + if (ff) { + ff(he->data); + } else { + if (ht->free_fn) ht->free_fn(he->data); + else { + if (ht->flags & CFUHASH_FREE_DATA) free(he->data); + } + } + if ( !(ht->flags & CFUHASH_NOCOPY_KEYS) ) free(he->key); + free(he); +} + +extern size_t +cfuhash_foreach_remove(cfuhash_table_t *ht, cfuhash_remove_fn_t r_fn, cfuhash_free_fn_t ff, + void *arg) { + cfuhash_entry *entry = NULL; + cfuhash_entry *prev = NULL; + size_t hv = 0; + size_t num_removed = 0; + cfuhash_entry **buckets = NULL; + size_t num_buckets = 0; + + if (!ht) return 0; + + lock_hash(ht); + + buckets = ht->buckets; + num_buckets = ht->num_buckets; + for (hv = 0; hv < num_buckets; hv++) { + entry = buckets[hv]; + if (!entry) continue; + prev = NULL; + + while (entry) { + if (r_fn(entry->key, entry->key_size, entry->data, entry->data_size, arg)) { + num_removed++; + if (prev) { + prev->next = entry->next; + _cfuhash_destroy_entry(ht, entry, ff); + entry = prev->next; + } else { + buckets[hv] = entry->next; + _cfuhash_destroy_entry(ht, entry, NULL); + entry = buckets[hv]; + } + } else { + prev = entry; + entry = entry->next; + } + } + } + + unlock_hash(ht); + + return num_removed; +} + +extern size_t +cfuhash_foreach(cfuhash_table_t *ht, cfuhash_foreach_fn_t fe_fn, void *arg) { + cfuhash_entry *entry = NULL; + size_t hv = 0; + size_t num_accessed = 0; + cfuhash_entry **buckets = NULL; + size_t num_buckets = 0; + int rv = 0; + + if (!ht) return 0; + + lock_hash(ht); + + buckets = ht->buckets; + num_buckets = ht->num_buckets; + for (hv = 0; hv < num_buckets && !rv; hv++) { + entry = buckets[hv]; + + for (; entry && !rv; entry = entry->next) { + num_accessed++; + rv = fe_fn(entry->key, entry->key_size, entry->data, entry->data_size, arg); + } + } + + unlock_hash(ht); + + return num_accessed; +} + +extern int +cfuhash_each(cfuhash_table_t *ht, char **key, void **data) { + size_t key_size = 0; + return cfuhash_each_data(ht, (void **)key, &key_size, data, NULL); +} + +extern int +cfuhash_next(cfuhash_table_t *ht, char **key, void **data) { + size_t key_size = 0; + return cfuhash_next_data(ht, (void **)key, &key_size, data, NULL); +} + +extern int +cfuhash_destroy_with_free_fn(cfuhash_table_t *ht, cfuhash_free_fn_t ff) { + size_t i; + if (!ht) return 0; + + lock_hash(ht); + for (i = 0; i < ht->num_buckets; i++) { + if (ht->buckets[i]) { + cfuhash_entry *he = ht->buckets[i]; + while (he) { + cfuhash_entry *hn = he->next; + _cfuhash_destroy_entry(ht, he, ff); + he = hn; + } + } + } + free(ht->buckets); + unlock_hash(ht); + pthread_mutex_destroy(&ht->mutex); + free(ht); + + return 1; +} + +extern int +cfuhash_destroy(cfuhash_table_t *ht) { + return cfuhash_destroy_with_free_fn(ht, NULL); +} + +typedef struct _pretty_print_arg { + size_t count; + FILE *fp; +} _pretty_print_arg; + +static int +_pretty_print_foreach(void *key, size_t key_size, void *data, size_t data_size, void *arg) { + _pretty_print_arg *parg = (_pretty_print_arg *)arg; + key_size = key_size; + data_size = data_size; + parg->count += fprintf(parg->fp, "\t\"%s\" => \"%s\",\n", (char *)key, (char *)data); + return 0; +} + +extern int +cfuhash_pretty_print(cfuhash_table_t *ht, FILE *fp) { + int rv = 0; + _pretty_print_arg parg; + + parg.fp = fp; + parg.count = 0; + + rv += fprintf(fp, "{\n"); + + cfuhash_foreach(ht, _pretty_print_foreach, (void *)&parg); + rv += parg.count; + + rv += fprintf(fp, "}\n"); + + return rv; +} + +extern int +cfuhash_rehash(cfuhash_table_t *ht) { + size_t new_size, i; + cfuhash_entry **new_buckets = NULL; + + lock_hash(ht); + new_size = hash_size(ht->entries * 2 / (ht->high + ht->low)); + if (new_size == ht->num_buckets) { + unlock_hash(ht); + return 0; + } + new_buckets = (cfuhash_entry **)calloc(new_size, sizeof(cfuhash_entry *)); + + for (i = 0; i < ht->num_buckets; i++) { + cfuhash_entry *he = ht->buckets[i]; + while (he) { + cfuhash_entry *nhe = he->next; + u_int hv = hash_value(ht, he->key, he->key_size, new_size); + he->next = new_buckets[hv]; + new_buckets[hv] = he; + he = nhe; + } + } + + ht->num_buckets = new_size; + free(ht->buckets); + ht->buckets = new_buckets; + ht->resized_count++; + + unlock_hash(ht); + return 1; +} + +extern size_t +cfuhash_num_entries(cfuhash_table_t *ht) { + if (!ht) return 0; + return ht->entries; +} + +extern size_t +cfuhash_num_buckets(cfuhash_table_t *ht) { + if (!ht) return 0; + return ht->num_buckets; +} + +extern size_t +cfuhash_num_buckets_used(cfuhash_table_t *ht) { + size_t i = 0; + size_t count = 0; + + if (!ht) return 0; + + lock_hash(ht); + + for (i = 0; i < ht->num_buckets; i++) { + if (ht->buckets[i]) count++; + } + unlock_hash(ht); + return count; +} + +extern char * +cfuhash_bencode_strings(cfuhash_table_t *ht) { + cfustring_t *bencoded = cfustring_new_with_initial_size(16); + char **keys = NULL; + size_t num_keys = 0; + size_t i = 0; + char len_str[32]; + char *rv = NULL; + + cfustring_append(bencoded, "d"); + + keys = (char **)cfuhash_keys(ht, &num_keys, 0); + for (i = 0; i < num_keys; i++) { + char *val = NULL; + + snprintf(len_str, 32, "%d:", (keys[i] ? strlen(keys[i]) : 0)); + cfustring_append(bencoded, len_str); + cfustring_append(bencoded, keys[i]); + + val = (char *)cfuhash_get(ht, keys[i]); + snprintf(len_str, 32, "%d:", (val ? strlen(val) : 0)); + cfustring_append(bencoded, len_str); + cfustring_append(bencoded, val); + + free(keys[i]); + } + free(keys); + + cfustring_append(bencoded, "e"); + rv = cfustring_get_buffer_copy(bencoded); + cfustring_destroy(bencoded); + + return rv; +} diff --git a/src/cfulist.c b/src/cfulist.c new file mode 100644 index 0000000..f941370 --- /dev/null +++ b/src/cfulist.c @@ -0,0 +1,552 @@ +/* Creation date: 2005-07-02 22:25:39 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" + +#include + +#include "cfulist.h" +#include "cfustring.h" + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +typedef struct cfulist_entry { + void *data; + size_t data_size; + struct cfulist_entry *next; + struct cfulist_entry *prev; +} cfulist_entry; + +struct cfulist { + libcfu_type type; + cfulist_entry *entries; + cfulist_entry *tail; + size_t num_entries; + pthread_mutex_t mutex; + cfulist_entry *each_ptr; + cfulist_free_fn_t free_fn; +}; + +extern cfulist_t * +cfulist_new() { + cfulist_t *list = (cfulist_t *)calloc(1, sizeof(cfulist_t)); + pthread_mutex_init(&list->mutex, NULL); + list->type = libcfu_t_list; + return list; +} + +extern cfulist_t * +cfulist_new_with_free_fn(cfulist_free_fn_t free_fn) { + cfulist_t *list = cfulist_new(); + list->free_fn = free_fn; + return list; +} + +extern size_t +cfulist_num_entries(cfulist_t *list) { + return list->num_entries; +} + +static inline void +lock_list(cfulist_t *list) { + pthread_mutex_lock(&list->mutex); +} + +static inline void +unlock_list(cfulist_t *list) { + pthread_mutex_unlock(&list->mutex); +} + +static inline cfulist_entry * +new_list_entry() { + return (cfulist_entry *)calloc(1, sizeof(cfulist_entry)); +} + +extern int +cfulist_push_data(cfulist_t *list, void *data, size_t data_size) { + cfulist_entry *entry = new_list_entry(); + if (!entry) return 0; + + if (data_size == (size_t)-1) data_size = strlen((char *)data) + 1; + + entry->data = data; + entry->data_size = data_size; + + lock_list(list); + + if (list->tail) { + entry->prev = list->tail; + list->tail->next = entry; + list->tail = entry; + } else { + list->tail = list->entries = entry; + } + list->num_entries++; + + unlock_list(list); + + return 1; +} + +extern int +cfulist_pop_data(cfulist_t *list, void **data, size_t *data_size) { + if (!list) { + *data = NULL; + *data_size = 0; + return 0; + } + lock_list(list); + + if (list->tail) { + if (list->tail->prev) { + cfulist_entry *new_tail = list->tail->prev; + assert(list->num_entries > 1); + new_tail->next = NULL; + *data = list->tail->data; + if (data_size) *data_size = list->tail->data_size; + free(list->tail); + list->tail = new_tail; + } else { + /* there is only one entry in the list */ + assert(list->num_entries == 1); + *data = list->tail->data; + if (data_size) *data_size = list->tail->data_size; + free(list->tail); + list->tail = NULL; + list->entries = NULL; + } + list->num_entries--; + unlock_list(list); + return 1; + } + + unlock_list(list); + + if (data_size) *data_size = 0; + return 0; +} + +extern int +cfulist_unshift_data(cfulist_t *list, void *data, size_t data_size) { + cfulist_entry *entry = new_list_entry(); + if (!entry) return 0; + + if (data_size == (size_t)-1) data_size = strlen((char *)data) + 1; + + entry->data = data; + entry->data_size = data_size; + + lock_list(list); + + if (list->entries) { + entry->next = list->entries; + list->entries->prev = entry; + list->entries = entry; + } else { + list->tail = list->entries = entry; + } + list->num_entries++; + + unlock_list(list); + + return 1; +} + +extern int +cfulist_shift_data(cfulist_t *list, void **data, size_t *data_size) { + int rv = 0; + if (!list) { + if (data_size) *data_size = 0; + *data = NULL; + return rv; + } + + lock_list(list); + + if (list->entries) { + cfulist_entry *entry = list->entries; + assert(list->num_entries >= 1); + rv = 1; + *data = entry->data; + if (data_size) *data_size = entry->data_size; + if (entry->next) { + assert(list->num_entries > 1); + list->entries = entry->next; + list->entries->prev = NULL; + } else { + assert(list->num_entries == 1); + list->tail = NULL; + list->entries = NULL; + } + free(entry); + list->num_entries--; + } else { + assert(list->num_entries == 0); + rv = 0; + if (data_size) *data_size = 0; + *data = NULL; + } + + unlock_list(list); + return rv; +} + +extern int +cfulist_enqueue_data(cfulist_t *list, void *data, size_t data_size) { + return cfulist_push_data(list, data, data_size); +} + + +extern int +cfulist_dequeue_data(cfulist_t *list, void **data, size_t *data_size) { + return cfulist_shift_data(list, data, data_size); +} + +extern int +cfulist_first_data(cfulist_t *list, void **data, size_t *data_size) { + int rv = 0; + if (!list) { + return 0; + } + + lock_list(list); + if (list->entries) { + rv = 1; + *data = list->entries->data; + if (data_size) *data_size = list->entries->data_size; + } else { + rv = 0; + *data = NULL; + *data_size = 0; + } + unlock_list(list); + + return rv; +} + +extern int +cfulist_last_data(cfulist_t *list, void **data, size_t *data_size) { + int rv = 0; + if (!list) { + return 0; + } + + lock_list(list); + if (list->tail) { + rv = 1; + *data = list->tail->data; + if (data_size) *data_size = list->tail->data_size; + } else { + rv = 0; + *data = NULL; + *data_size = 0; + } + unlock_list(list); + + return rv; +} + +extern int +cfulist_nth_data(cfulist_t *list, void **data, size_t *data_size, size_t n) { + int rv = 0; + size_t i = 0; + cfulist_entry *ptr = NULL; + + if (!list) { + return 0; + } + + lock_list(list); + if (list->entries) { + for (i = 0, ptr = list->entries; ptr && i < n; i++, ptr = ptr->next); + if (ptr && i == n) { + rv = 1; + *data = ptr->data; + if (data_size) *data_size = list->entries->data_size; + } + } else { + rv = 0; + *data = NULL; + *data_size = 0; + } + unlock_list(list); + + return rv; +} + +extern void +cfulist_reset_each(cfulist_t *list) { + if (!list) return; + list->each_ptr = list->entries; +} + +extern int +cfulist_each_data(cfulist_t *list, void **data, size_t *data_size) { + if (!list) return 0; + cfulist_reset_each(list); + return cfulist_next_data(list, data, data_size); +} + +extern int +cfulist_next_data(cfulist_t *list, void **data, size_t *data_size) { + if (!list) return 0; + *data = NULL; + if (list->each_ptr) { + *data = list->each_ptr->data; + *data_size = list->each_ptr->data_size; + list->each_ptr = list->each_ptr->next; + return 1; + } + return 0; +} + +extern size_t +cfulist_foreach(cfulist_t *list, cfulist_foreach_fn_t fe_fn, void *arg) { + cfulist_entry *entry = NULL; + size_t num_processed = 0; + int rv = 0; + + if (!list) return 0; + + lock_list(list); + for (entry = list->entries; entry && !rv; entry = entry->next) { + rv = fe_fn(entry->data, entry->data_size, arg); + num_processed++; + } + + unlock_list(list); + + return num_processed; +} + +typedef struct _cfulist_map_struct { + cfulist_t *list; + void *arg; + cfulist_map_fn_t map_fn; +} _cfulist_map_ds; + +static int +_cfulist_map_foreach(void *data, size_t data_size, void *arg) { + _cfulist_map_ds *ds = (_cfulist_map_ds *)arg; + size_t new_data_size = 0; + void *rv = ds->map_fn(data, data_size, ds->arg, &new_data_size); + cfulist_push_data(ds->list, rv, new_data_size); + return 0; +} + +extern cfulist_t * +cfulist_map(cfulist_t *list, cfulist_map_fn_t map_fn, void *arg) { + cfulist_t *new_list = cfulist_new(); + _cfulist_map_ds ds; + ds.list = new_list; + ds.arg = arg; + ds.map_fn = map_fn; + + cfulist_foreach(list, _cfulist_map_foreach, (void *)&ds); + return new_list; +} + +/* For when you don't care about the data size */ + +extern int +cfulist_push(cfulist_t *list, void *data) { + return cfulist_push_data(list, data, 0); +} + +extern void * +cfulist_pop(cfulist_t *list) { + void *data = NULL; + if (cfulist_pop_data(list, &data, NULL)) { + return data; + } + return NULL; +} + +extern int +cfulist_unshift(cfulist_t *list, void *data) { + return cfulist_unshift_data(list, data, 0); +} + +extern void * +cfulist_shift(cfulist_t *list) { + void *data = NULL; + if (cfulist_shift_data(list, &data, NULL)) { + return data; + } + return NULL; +} + +extern int +cfulist_enqueue(cfulist_t *list, void *data) { + return cfulist_push(list, data); +} + +extern void * +cfulist_dequeue(cfulist_t *list) { + return cfulist_shift(list); +} + +/* Dealing with strings */ + +extern int +cfulist_push_string(cfulist_t *list, char *data) { + return cfulist_push_data(list, (void *)data, -1); +} + +extern char * +cfulist_pop_string(cfulist_t *list) { + void *data = NULL; + if (cfulist_pop_data(list, &data, NULL)) { + return (char *)data; + } + return NULL; +} + +extern int +cfulist_unshift_string(cfulist_t *list, char *data) { + return cfulist_unshift_data(list, (void *)data, -1); +} + +extern char * +cfulist_shift_string(cfulist_t *list) { + void *data = NULL; + if (cfulist_shift_data(list, &data, NULL)) { + return (char *)data; + } + return NULL; +} + +extern int +cfulist_enqueue_string(cfulist_t *list, char *data) { + return cfulist_push_string(list, data); +} + +extern char * +cfulist_dequeue_string(cfulist_t *list) { + return cfulist_shift_string(list); +} + +typedef struct _join_foreach_struct { + size_t count; + const char *delimiter; + cfustring_t *string; +} _join_foreach_struct; + +static int +_join_foreach_fn(void *data, size_t data_size, void *arg) { + _join_foreach_struct *stuff = (_join_foreach_struct *)arg; + + data_size = data_size; + if (stuff->count) cfustring_append(stuff->string, stuff->delimiter); + stuff->count++; + cfustring_append(stuff->string, (char *)data); + return 0; +} + +extern char * +cfulist_join(cfulist_t *list, const char *delimiter) { + _join_foreach_struct *arg = (_join_foreach_struct *)calloc(1, sizeof(_join_foreach_struct)); + char *str = NULL; + + arg->delimiter = delimiter; + arg->string = cfustring_new(); + cfulist_foreach(list, _join_foreach_fn, (void *)arg); + + str = cfustring_get_buffer_copy(arg->string); + cfustring_destroy(arg->string); + free(arg); + + return str; +} + +extern void +cfulist_destroy(cfulist_t *list) { + if (!list) return; + + if (list->free_fn) { + cfulist_destroy_with_free_fn(list, list->free_fn); + return; + } + + lock_list(list); + if (list->entries) { + cfulist_entry *entry = NULL; + cfulist_entry *tmp = NULL; + entry = list->entries; + while (entry) { + tmp = entry->next; + free(entry); + entry = tmp; + } + } + unlock_list(list); + pthread_mutex_destroy(&list->mutex); + free(list); +} + +extern void +cfulist_destroy_with_free_fn(cfulist_t *list, cfulist_free_fn_t free_fn) { + if (!list) return; + + lock_list(list); + if (list->entries) { + cfulist_entry *entry = NULL; + cfulist_entry *tmp = NULL; + entry = list->entries; + while (entry) { + tmp = entry->next; + if (free_fn) free_fn(entry->data); + free(entry); + entry = tmp; + } + } + unlock_list(list); + pthread_mutex_destroy(&list->mutex); + free(list); +} diff --git a/src/cfuopt.c b/src/cfuopt.c new file mode 100644 index 0000000..eb082f7 --- /dev/null +++ b/src/cfuopt.c @@ -0,0 +1,604 @@ +/* Creation date: 2005-09-04 12:57:25 + * Authors: Don + * Change log: + */ + +#include "cfu.h" +#include "cfuopt.h" +#include "cfuhash.h" +#include "cfulist.h" +#include "cfustring.h" + +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +struct cfuopt_struct { + libcfu_type type; + cfulist_t *option_list; + cfuhash_table_t *option_map; + cfulist_t *extra; + char *progname; +}; + +typedef enum { + cfuopt_arg_invalid = 0, + cfuopt_arg_bool, + cfuopt_arg_string, + cfuopt_arg_int, + cfuopt_arg_float, + cfuopt_arg_string_array +} cfuopt_arg_t; + +typedef struct cfuopt_list_entry { + const char *arg_data; + const char *description; + const char *arg_description; + cfuopt_arg_t arg_type; + int required; + cfulist_t *param_names; +} cfuopt_list_entry_t; + +#define CFU_OPT_ALLOC(type, count) (type *)calloc(count, sizeof(type)); + +extern cfuopt_t * +cfuopt_new() { + cfuopt_t *context = (cfuopt_t *)calloc(1, sizeof(cfuopt_t)); + context->option_list = cfulist_new(); + context->option_map = cfuhash_new(); + context->extra = cfulist_new(); + return context; +} + +#define CFUOPT_SET_TYPE(spec, type_var) \ + switch (spec) { \ + case 's': \ + type_var = cfuopt_arg_string; \ + break; \ + case 'i': \ + type_var = cfuopt_arg_int; \ + break; \ + case 'f': \ + type_var = cfuopt_arg_float; \ + break; \ + case '!': \ + type_var = cfuopt_arg_bool; \ + default: \ + break; \ + } + + +/* + Parse a string like Perl's Getopt::Long takes, e.g. + + "verbose|v!", + "file|f=s", + "scale:f", + "count:i" + + ! means boolean flag + = means required + : means optional + s means arbitrary string (C string) + f means float (double) + i means integer (long) + +*/ +static void +parse_opt_str(const char *opt_str, cfulist_t **param_list, cfuopt_arg_t *type, int *is_required) { + cfulist_t *params = cfulist_new(); + size_t num_names = 0; + char **opt_names = cfustring_c_str_split(opt_str, &num_names, 0, "|", NULL); + char *last_opt = NULL; + char *pos = NULL; + size_t opt_len = 0; + cfuopt_arg_t arg_type = cfuopt_arg_invalid; + int required = 0; + size_t i = 0; + + if (num_names == 0) { + cfulist_destroy(params); + free(opt_names); + return; + } + + last_opt = opt_names[num_names - 1]; + opt_len = strlen(last_opt); + if ( (pos = memchr((void *)last_opt, '=', opt_len)) ) { + char *tmp = pos; + required = 1; + tmp++; + if (*tmp) { + CFUOPT_SET_TYPE(*tmp, arg_type); + *pos = '\000'; + } + else { + arg_type = cfuopt_arg_invalid; + } + } + else if ( (pos = memchr((void *)last_opt, ':', opt_len)) ) { + char *tmp = pos; + required = 0; + tmp++; + if (*tmp) { + CFUOPT_SET_TYPE(*tmp, arg_type); + *pos = '\000'; + } + else { + arg_type = cfuopt_arg_invalid; + } + } + else if ( (pos = memchr((void *)last_opt, '!', opt_len)) ) { + required = 0; + arg_type = cfuopt_arg_bool; + *pos = '\000'; + } + + for (i = 0; i < num_names; i++) { + cfulist_push(params, opt_names[i]); + } + + free(opt_names); + *type = arg_type; + *param_list = params; + *is_required = required; +} + +static void +_simple_list_free_fn(void *data) { + free(data); +} + +struct _add_entry_struct { + cfuopt_t *context; + cfuopt_list_entry_t *entry; +}; + +static int +_add_to_option_map(void *data, size_t data_size, void *arg) { + struct _add_entry_struct *es = (struct _add_entry_struct *)arg; + data_size = data_size; + + cfuhash_put(es->context->option_map, (char *)data, (void *)es->entry); + + return 0; +} + +extern void +cfuopt_add_entry(cfuopt_t *context, const char *opt_str, void *arg_data, + const char *description, const char *arg_description) { + cfuopt_list_entry_t *entry = CFU_OPT_ALLOC(cfuopt_list_entry_t, 1); + cfulist_t *param_list = NULL; + cfuopt_arg_t arg_type = cfuopt_arg_invalid; + struct _add_entry_struct entry_struct; + int required = 0; + + parse_opt_str(opt_str, ¶m_list, &arg_type, &required); + + entry->arg_data = arg_data; + entry->description = description; + entry->arg_description = arg_description; + entry->arg_type = arg_type; + entry->required = required; + entry->param_names = param_list; + + cfulist_push(context->option_list, (void *)entry); + + entry_struct.entry = entry; + entry_struct.context = context; + + cfulist_foreach(param_list, _add_to_option_map, &entry_struct); +} + +static void +check_arg(const char *arg, int *is_long, int *is_short, int *is_data, int *is_end_of_options, + char **parsed_arg, const char **value) { + const char *ptr = NULL; + + ptr = arg; + *is_long = 0; + *is_short = 0; + *is_data = 0; + *is_end_of_options = 0; + *parsed_arg = NULL; + *value = NULL; + + if (!ptr || !*ptr) return; + + if (*ptr != '-') { + *is_data = 1; + *parsed_arg = cfustring_dup_c_str(ptr); + return; + } + ptr++; + if (!*ptr) { + *is_data = 1; + *parsed_arg = cfustring_dup_c_str(ptr - 1); + return; + } + if (*ptr == '-') { + const char *val_ptr = NULL; + ptr++; + if (!*ptr) { + *is_end_of_options = 1; + return; + } + *is_long = 1; + *parsed_arg = cfustring_dup_c_str(ptr); + val_ptr = ptr; + for (val_ptr = ptr; *val_ptr && *val_ptr != '='; val_ptr++); + if (*val_ptr == '=') { + (*parsed_arg)[val_ptr - ptr] = '\000'; + val_ptr++; + *value = val_ptr; + } + return; + } else { + *is_short = 1; + *parsed_arg = cfustring_dup_c_str(ptr); + return; + } +} + +static void +_set_entry_val(cfuopt_list_entry_t *entry, const char *value) { + switch (entry->arg_type) { + case cfuopt_arg_bool: + if (entry->arg_data) *((int *)entry->arg_data) = 1; + break; + case cfuopt_arg_int: + if (entry->arg_data) *((int *)entry->arg_data) = atol((char *)value); + break; + case cfuopt_arg_float: + if (entry->arg_data) *((double *)entry->arg_data) = atof((char *)value); + break; + case cfuopt_arg_string: + if (entry->arg_data) *((char **)entry->arg_data) = cfustring_dup_c_str((char *)value); + break; + default: + break; + } + +} + +typedef struct { + int count; + char **argv; +} _update_extra_ds; + +static int +_update_extra(void *data, size_t data_size, void *arg) { + _update_extra_ds *ds = (_update_extra_ds *)arg; + data_size = data_size; + ds->argv[ds->count] = (char *)data; + ds->count++; + + return 0; +} + +extern void +cfuopt_parse(cfuopt_t *context, int *argc, char ***argv, char **error) { + int i = 0; + char **args = *argv; + int is_long_opt = 0; + int is_short_opt = 0; + int is_data = 0; + int is_end_of_opt = 0; + char *parsed_arg = NULL; + const char *value = NULL; + cfuopt_list_entry_t *entry = NULL; + size_t extra_count = 0; + + error = error; + + if (!context) return; + if (*argc < 1) return; + + context->progname = cfustring_dup_c_str(args[0]); + + if (*argc < 2) return; + + for (i = 1; i < *argc; i++) { + char *cur_arg = args[i]; + entry = NULL; + value = NULL; + + if (parsed_arg) free(parsed_arg); + parsed_arg = NULL; + + check_arg(cur_arg, &is_long_opt, &is_short_opt, &is_data, &is_end_of_opt, &parsed_arg, + &value); + if (is_long_opt || is_short_opt) { + entry = (cfuopt_list_entry_t *)cfuhash_get(context->option_map, parsed_arg); + if (parsed_arg) free(parsed_arg); + parsed_arg = NULL; + } + else if (is_end_of_opt) { + if (parsed_arg) free(parsed_arg); + parsed_arg = NULL; + i++; + for (; i < *argc; i++) { + cfulist_push(context->extra, args[i]); + } + break; + } + else if (is_data) { + if (parsed_arg) free(parsed_arg); + parsed_arg = NULL; + cfulist_push(context->extra, args[i]); + continue; + } + + if (!entry) { + /* FIXME: return error here if need be */ + continue; + } + + switch (entry->arg_type) { + case cfuopt_arg_bool: + _set_entry_val(entry, "1"); + break; + case cfuopt_arg_string: + case cfuopt_arg_int: + case cfuopt_arg_float: + if (value) { + if (entry->arg_data) { + _set_entry_val(entry, value); + } + } else { + i++; + if (i >= *argc) break; /* FIXME: set up error msg here */ + check_arg(args[i], &is_long_opt, &is_short_opt, &is_data, &is_end_of_opt, + &parsed_arg, &value); + if (!is_data) { + i--; + break; /* FIXME: set up error msg here */ + } + _set_entry_val(entry, parsed_arg); + free(parsed_arg); + parsed_arg = NULL; + } + break; + case cfuopt_arg_string_array: + break; + case cfuopt_arg_invalid: + /* FIXME: really should produce an error msg here */ + break; + default: + break; + } + + } + + extra_count = cfulist_num_entries(context->extra); + *argc = extra_count + 1; + { + _update_extra_ds ds; + size_t update_count = 0; + ds.count = 1; + ds.argv = args; + update_count = cfulist_foreach(context->extra, _update_extra, (void *)&ds); + assert(update_count + 1 == (unsigned)*argc); + } +} + +static void +_opt_list_free_fn(void *data) { + cfuopt_list_entry_t *entry = (cfuopt_list_entry_t *)data; + cfulist_destroy_with_free_fn(entry->param_names, _simple_list_free_fn); + free(data); +} + +extern void +cfuopt_destroy(cfuopt_t *context) { + if (!context) return; + cfulist_destroy_with_free_fn(context->option_list, _opt_list_free_fn); + cfuhash_destroy(context->option_map); + cfulist_destroy(context->extra); + free(context->progname); + free(context); +} + +#define ARG_TYPE_TO_STR(type, str) \ + switch(type) { \ + case cfuopt_arg_invalid: \ + str = "INVALID"; \ + break; \ + case cfuopt_arg_bool: \ + str = "BOOL"; \ + break; \ + case cfuopt_arg_string: \ + str = "STRING"; \ + break; \ + case cfuopt_arg_int: \ + str = "INT"; \ + break; \ + case cfuopt_arg_float: \ + str = "FLOAT"; \ + break; \ + case cfuopt_arg_string_array: \ + str = "STRING ARRAY"; \ + break; \ + default: \ + str = "INVALID"; \ + break; \ + } + +static int +_cfuopt_pretty_print_foreach(void *key, size_t key_size, void *data, size_t data_size, void *arg) { + char *name = (char *)key; + cfuopt_list_entry_t *list_entry = data; + char *str = NULL; + + key_size = key_size; + data_size = data_size; + arg = arg; + ARG_TYPE_TO_STR(list_entry->arg_type, str); + printf("%s=%p (%s - %s) => %s, \"%s\"\n", name, (void *)list_entry, (list_entry->required ? "required" : "optional"), str, list_entry->description, list_entry->arg_description); + + return 0; +} + +extern void +cfuopt_pretty_print(cfuopt_t *context) { + cfuhash_foreach(context->option_map, _cfuopt_pretty_print_foreach, NULL); +} + +static void +_list_simple_free_fn(void *data) { + free(data); +} + +extern void * +_param_map_fn(void *data, size_t data_size, void *arg, size_t *new_data_size) { + char *name = (char *)data; + size_t len = 0; + cfuopt_list_entry_t *opt = (cfuopt_list_entry_t *)arg; + + data_size = data_size; + if (!name) return NULL; + len = strlen(name); + *new_data_size = -1; + if (len == 0) return cfustring_dup_c_str(""); + + if (opt->arg_description && strlen(opt->arg_description) > 0) { + if (len == 1) { + return cfustring_sprintf_c_str("-%s %s", name, opt->arg_description); + } + else { + return cfustring_sprintf_c_str("--%s=%s", name, opt->arg_description); + } + } + else { + if (len == 1) { + return cfustring_sprintf_c_str("-%s", name); + } + else { + return cfustring_sprintf_c_str("--%s", name); + } + } + + return NULL; +} + +typedef struct _find_foreach_struct { + cfulist_t *desc_list; + size_t max_size; +} _find_foreach_ds; + +typedef struct _cfuopt_desc_struct { + char *desc; + cfuopt_list_entry_t *entry; +} _cfuopt_desc; + +static int +_find_foreach_fn(void *data, size_t data_size, void *arg) { + cfuopt_list_entry_t *opt = (cfuopt_list_entry_t *)data; + _find_foreach_ds *ds = (_find_foreach_ds *)arg; + size_t this_size = 0; + cfulist_t *param_full_list = NULL; + char *desc = NULL; + _cfuopt_desc *desc_ds = CFU_OPT_ALLOC(_cfuopt_desc, 1); + + if (!data) return 0; + + param_full_list = cfulist_map(opt->param_names, _param_map_fn, opt); + desc = cfulist_join(param_full_list, ", "); + + data_size = data_size; + + cfulist_destroy_with_free_fn(param_full_list, _simple_list_free_fn); + + desc_ds->desc = desc; + desc_ds->entry = opt; + cfulist_push(ds->desc_list, desc_ds); + + this_size = strlen(desc); + if (this_size > ds->max_size) ds->max_size = this_size; + + return 0; +} + +static size_t +_find_longest_help_desc(cfuopt_t *context, cfulist_t **desc_list) { + _find_foreach_ds ds; + ds.max_size = 0; + ds.desc_list = cfulist_new(); + + cfulist_foreach(context->option_list, _find_foreach_fn, (void *)&ds); + *desc_list = ds.desc_list; + + return ds.max_size; +} + +typedef struct { + char *fmt; + cfulist_t *list; + cfulist_t *desc_list; +} _help_lines_ds; + +static int +_get_help_lines(void *data, size_t data_size, void *arg) { + _cfuopt_desc *desc_ds = (_cfuopt_desc *)data; + _help_lines_ds *ds = (_help_lines_ds *)arg; + char *left_col = NULL; + const char *desc = NULL; + char *line = NULL; + + data_size = data_size; + + left_col = desc_ds->desc; + + if (!left_col) return 0; + + desc = desc_ds->entry->description; + if (!desc) desc = "test desc"; + + line = cfustring_sprintf_c_str(ds->fmt, left_col, desc); + cfulist_push(ds->list, (void *)line); + + return 0; + +} + +static void +_desc_list_free(void *data) { + _cfuopt_desc *desc_ds = (_cfuopt_desc *)data; + free(desc_ds->desc); + free(data); +} + +extern char * +cfuopt_get_help_str(cfuopt_t *context) { + cfulist_t *desc_list = NULL; + size_t max_width = 0; + char *fmt = NULL; + _help_lines_ds ds; + char *help_str = NULL; + + max_width = _find_longest_help_desc(context, &desc_list); + + fmt = cfustring_sprintf_c_str(" %%-%us %%s\n", max_width); + ds.fmt = fmt; + ds.list = cfulist_new(); + ds.desc_list = desc_list; + + cfulist_foreach(desc_list, _get_help_lines, (void *)&ds); + + help_str = cfulist_join(ds.list, "\n"); + + cfulist_destroy_with_free_fn(ds.list, _list_simple_free_fn); + cfulist_destroy_with_free_fn(desc_list, _desc_list_free); + free(fmt); + + return help_str; +} diff --git a/src/cfustring.c b/src/cfustring.c new file mode 100644 index 0000000..9d2b62c --- /dev/null +++ b/src/cfustring.c @@ -0,0 +1,631 @@ +/* Creation date: 2005-06-26 19:59:10 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" + +#include "cfustring.h" + +#include +#include +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +struct cfustring { + libcfu_type type; + size_t max_size; + size_t used_size; + char *str; +}; + +extern cfustring_t * +cfustring_new() { + return cfustring_new_with_initial_size(0); +} + +extern cfustring_t * +cfustring_new_with_initial_size(size_t initial_size) { + cfustring_t *cfu_str = (cfustring_t *)calloc(1, sizeof(cfustring_t)); + cfu_str->type = libcfu_t_string; + if (initial_size > 0) { + cfu_str->str = (char *)calloc(initial_size, 1); + cfu_str->max_size = initial_size; + cfu_str->used_size = 1; + } + return cfu_str; +} + +extern cfustring_t * +cfustring_new_from_string(const char *string) { + cfustring_t *cfu_str = cfustring_new(); + cfustring_append(cfu_str, string); + return cfu_str; +} + +extern int +cfustring_dup(cfustring_t *cfu_str, const char *string) { + if (!string) { + cfu_str->max_size = 0; + cfu_str->used_size = 0; + free(cfu_str->str); + cfu_str->str = NULL; + return 1; + } + + cfustring_clear(cfu_str); + cfustring_append(cfu_str, string); + return 1; +} + +extern int +cfustring_clear(cfustring_t *cfu_str) { + if (cfu_str->str) { + cfu_str->str[0] = '\000'; + cfu_str->used_size = 1; + } + return 1; +} + +extern int +cfustring_append_n(cfustring_t *cfu_str, const char *string, size_t n) { + size_t str_len = 0; + if (!string) return 1; + + if (n) { + size_t i = 0; + const char *ptr = string; + for (i = 0; i < n; i++) { + if (*ptr) { + str_len++; + } else { + break; + } + } + } else { + str_len = strlen(string); + } + + if (!cfu_str->str) { + cfu_str->str = (char *)malloc(str_len + 1); + cfu_str->max_size = str_len + 1; + cfu_str->used_size = 1; + cfu_str->str[0] = '\000'; + } + + if (cfu_str->used_size + str_len + 1 > cfu_str->max_size) { + /* allocate more memory and copy over */ + char *tmp = NULL; + + if (cfu_str->max_size * 2 >= cfu_str->used_size + str_len + 1) { + cfu_str->max_size *= 2; + } else { + cfu_str->max_size = cfu_str->used_size + str_len + 1; + } + tmp = (char *)malloc(cfu_str->max_size); + memcpy(tmp, cfu_str->str, cfu_str->used_size); + free(cfu_str->str); + cfu_str->str = tmp; + } + + memcpy(&cfu_str->str[cfu_str->used_size - 1], string, str_len); + /* strcat(cfu_str->str, string); */ + cfu_str->used_size += str_len; + cfu_str->str[cfu_str->used_size - 1] = '\000'; + + + return 1; +} + +extern int +cfustring_append(cfustring_t *cfu_str, const char *string) { + return cfustring_append_n(cfu_str, string, 0); +} + +extern char * +cfustring_get_buffer(cfustring_t *cfu_str) { + return cfu_str->str; +} + +extern char * +cfustring_get_buffer_copy(cfustring_t *cfu_str) { + char *buffer = NULL; + if (!cfu_str->str) return NULL; + + buffer = (char *)calloc(cfu_str->used_size, 1); + memcpy(buffer, cfu_str->str, cfu_str->used_size); + return buffer; +} + +static char * +_dup_str(const char *str) { + size_t len = strlen(str) + 1; + char *ns = (char *)calloc(len, 1); + memcpy(ns, str, len); + return ns; +} + +static char * +_dup_str_n(const char *str, size_t n) { + size_t len = n; + char *ns; + + if (n == 0) return NULL; + + ns = (char *)calloc(len + 1, 1); + memcpy(ns, str, len); + ns[len] = '\000'; + return ns; +} + +extern char * +cfustring_dup_c_str(const char *str) { + return _dup_str(str); +} + +extern char * +cfustring_dup_c_str_n(const char *str, size_t n) { + return _dup_str_n(str, n); +} + +static char * +_check_sep(char **start, char **seps, size_t num_seps, char **sep_chk_ptrs, int last) { + size_t i; + char *end = *start; + + for (i = 0; i < num_seps; i++) sep_chk_ptrs[i] = seps[i]; + + if (!*start || !*(*start)) return NULL; + + if (last) { + for(; *end; end++); + if (end != *start) { + char *rv = _dup_str_n(*start, end - *start); + *start = end; + return rv; + } + return NULL; + } + + for (end = *start; *end; end++) { + for (i = 0; i < num_seps; i++) { + if (*sep_chk_ptrs[i] == *end) { + sep_chk_ptrs[i]++; + if (!*sep_chk_ptrs[i]) { + /* got a match */ + size_t size = end - *start + 1 - (sep_chk_ptrs[i] - seps[i]); + char *rv = _dup_str_n(*start, size); + *start = end + 1; + return rv; + } + } else { + sep_chk_ptrs[i] = seps[i]; + } + } + } + + if (end != *start) { + char *rv = _dup_str_n(*start, end - *start); + *start = end; + return rv; + } + + return NULL; +} + +static char ** +__cfustring_split_to_raw(cfustring_t *cfu_str, size_t *num_strings, size_t num_seps, size_t limit, + va_list ap) { + char *sep = NULL; + size_t i = 0; + char **sep_array = (char **)calloc(num_seps, sizeof(char *)); + char **sep_chk_ptrs = (char **)calloc(num_seps, sizeof(char *)); + char **ret_strings = (char **)calloc(2, sizeof(char *)); + u_int max_ret_strings = 2; + u_int used_ret_strings = 0; + char *start = NULL; + char *end = NULL; + char *next_str = NULL; + int last = 0; + + *num_strings = 0; + + if (limit == 1) { + ret_strings[0] = cfustring_get_buffer_copy(cfu_str); + *num_strings = 1; + return ret_strings; + } + + for (i = 0; i < num_seps; i++) { + sep = va_arg(ap, char *); + sep_array[i] = _dup_str(sep); + } + + start = end = cfustring_get_buffer(cfu_str); + if (!end) { + *num_strings = 0; + free(ret_strings); + for (i = 0; i < num_seps; i++) { + free(sep_array[i]); + } + free(sep_array); + return NULL; + } + + while ( (next_str = _check_sep(&end, sep_array, num_seps, sep_chk_ptrs, last)) ) { + if (used_ret_strings == max_ret_strings) { + /* allocate more space */ + size_t new_size = max_ret_strings << 1; + char **tmp = (char **)calloc(new_size, sizeof(char *)); + for (i = 0; i < used_ret_strings; i++) tmp[i] = ret_strings[i]; + free(ret_strings); + ret_strings = tmp; + max_ret_strings = new_size; + } + ret_strings[used_ret_strings] = next_str; + used_ret_strings++; + + if (limit > 0 && used_ret_strings == limit - 1) { + last = 1; + } + } + + for (i = 0; i < num_seps; i++) { + free(sep_array[i]); + } + free(sep_array); + free(sep_chk_ptrs); + + *num_strings = used_ret_strings; + return ret_strings; +} + +extern cfustring_t ** +cfustring_split(cfustring_t *cfu_str, size_t *num_strings, size_t limit, ...) { + va_list ap; + char **strings = NULL; + char *sep = NULL; + cfustring_t **rv = NULL; + size_t i = 0; + size_t num_seps = 0; + + va_start(ap, limit); + sep = va_arg(ap, char *); + while (sep) { + num_seps++; + sep = va_arg(ap, char *); + } + va_end(ap); + + va_start(ap, limit); + strings = __cfustring_split_to_raw(cfu_str, num_strings, num_seps, limit, ap); + va_end(ap); + + if (!*num_strings) return NULL; + rv = (cfustring_t **)malloc(*num_strings * sizeof(cfustring_t *)); + for (i = 0; i < *num_strings; i++) { + rv[i] = cfustring_new_from_string(strings[i]); + free(strings[i]); + } + free(strings); + + return rv; +} + + +extern char ** +cfustring_split_to_c_str(cfustring_t *cfu_str, size_t *num_strings, size_t limit, ...) { + char **rv = NULL; + va_list ap; + size_t num_seps = 0; + char *sep = NULL; + + va_start(ap, limit); + sep = va_arg(ap, char *); + while (sep) { + num_seps++; + sep = va_arg(ap, char *); + } + va_end(ap); + + va_start(ap, limit); + rv = __cfustring_split_to_raw(cfu_str, num_strings, num_seps, limit, ap); + va_end(ap); + + return rv; +} + +extern char * +cfustring_sprintf_c_str(const char *fmt, ...) { + va_list ap; + char *str = NULL; + cfustring_t *cfu_str = cfustring_new(); + va_start(ap, fmt); + cfustring_vsprintf(cfu_str, fmt, ap); + va_end(ap); + + str = cfustring_get_buffer_copy(cfu_str); + cfustring_destroy(cfu_str); + + return str; +} + +extern size_t +cfustring_sprintf(cfustring_t *cfu_str, const char *fmt, ...) { + va_list ap; + size_t rv = 0; + va_start(ap, fmt); + rv = cfustring_vsprintf(cfu_str, fmt, ap); + va_end(ap); + + return rv; +} + +static int +_safe_sprintf(char **buf, size_t *buf_size, const char *fmt, ...) { + va_list ap; + int rv = 0; + int done = 0; + + if (!(*buf) || *buf_size == 0) { + *buf_size = 128; + if (*buf) free(*buf); + *buf = (char *)malloc(*buf_size); + } + + while (!done) { + va_start(ap, fmt); + rv = vsnprintf(*buf, *buf_size, fmt, ap); + va_end(ap); + if (rv >= (int)(*buf_size) - 1) { + *buf_size *= 2; + free(*buf); + *buf = (char *)malloc(*buf_size); + } + else { + done = 1; + } + } + + return rv; +} + +static char * +_safe_strncpy(char **buf, size_t *buf_size, const char *src, size_t size) { + char *rv = NULL; + + if (!(*buf) || *buf_size == 0) { + *buf_size = size + 1; + if (*buf) free(*buf); + *buf = (char *)malloc(*buf_size); + (*buf)[0] = '\000'; + } + + if (size > *buf_size - 1) { + *buf_size = size + 1; + if (*buf) free(*buf); + *buf = (char *)malloc(*buf_size); + (*buf)[0] = '\000'; + } + + rv = strncpy(*buf, src, size); + + return rv; +} + +extern size_t +cfustring_vsprintf(cfustring_t *cfu_str, const char *fmt_in, va_list ap) { + const char *ptr = NULL; + const char *start = NULL; + const char *end = NULL; + size_t byte_count = 0; + size_t buf_size = 128; + size_t buf2_size = 128; + char *buf = NULL; + char *buf2 = NULL; + const char *fmt = NULL; + + buf = (char *)malloc(buf_size); + buf2 = (char *)malloc(buf2_size); + + cfustring_clear(cfu_str); + + ptr = start = end = fmt = fmt_in; + while (*fmt) { + if (*fmt == '%') { + ptr = fmt; + fmt++; + if (*fmt == '%') { + end++; + cfustring_append_n(cfu_str, start, ptr - start + 1); + byte_count += ptr - start + 1; + + fmt++; + start = end = fmt; + continue; + } + + while (*fmt && *fmt != 'u' && *fmt != 's' && *fmt != 'd' && *fmt != 'f' && *fmt != 'F' + && *fmt != 'x' && *fmt != 'X' && *fmt != 'p' + && *fmt != ' ' && *fmt != '\t') fmt++; + + if (*fmt == 'u' || *fmt == 'd' || *fmt == 'f' || *fmt == 'F' + || *fmt == 'x' || *fmt == 'X' || *fmt == 'p') { + unsigned num = 0; + double f = 0; + int d = 0; + void *p = NULL; + size_t size = fmt - ptr + 1; + + _safe_strncpy(&buf2, &buf2_size, ptr, size); + buf2[size] = '\000'; + + switch (*fmt) { + case 'u': + case 'x': + case 'X': + case 'o': + num = va_arg(ap, unsigned); + _safe_sprintf(&buf, &buf_size, buf2, num); + break; + case 'd': + case 'c': + d = va_arg(ap, int); + _safe_sprintf(&buf, &buf_size, buf2, d); + break; + case 'f': + case 'F': + case 'e': + case 'E': + case 'g': + case 'G': + case 'a': + case 'A': + f = va_arg(ap, double); + _safe_sprintf(&buf, &buf_size, buf2, f); + break; + case 'p': + p = va_arg(ap, void *); + _safe_sprintf(&buf, &buf_size, buf2, p); + break; + default: + break; + } + + cfustring_append_n(cfu_str, start, end - start + 1); + byte_count += end - start + 1; + cfustring_append(cfu_str, buf); + byte_count += strlen(buf); + fmt++; + start = end = fmt; + continue; + } else if (*fmt == 's') { + char *s = NULL; + size_t size = fmt - ptr + 1; + s = va_arg(ap, char *); + + buf[0] = '\000'; + + _safe_strncpy(&buf2, &buf2_size, ptr, size); + buf2[size] = '\000'; + + _safe_sprintf(&buf, &buf_size, buf2, s); + + if (ptr != start) { + cfustring_append_n(cfu_str, start, end - start + 1); + byte_count += end - start + 1; + } + if (s) { + cfustring_append(cfu_str, buf); + byte_count += strlen(buf); + } else { + s = "(null)"; + cfustring_append(cfu_str, s); + byte_count += strlen(s); + } + fmt++; + start = end = fmt; + continue; + } else if (*fmt == ' ' || *fmt == '\t') { + cfustring_append_n(cfu_str, start, end - start + 1); + byte_count += end - start + 1; + fmt++; + start = end = fmt; + continue; + } + + } else { + byte_count++; + end = fmt; + } + fmt++; + + } + + if (end != start) { + cfustring_append_n(cfu_str, start, end - start + 1); + byte_count += end - start + 1; + } + + free(buf); + free(buf2); + + return byte_count; +} + +extern int +cfustring_destroy(cfustring_t *cfu_str) { + free(cfu_str->str); + free(cfu_str); + return 1; +} + +extern char ** +cfustring_c_str_split(const char *c_str, size_t *num_strings, size_t limit, ...) { + cfustring_t *cfu_str = cfustring_new_from_string(c_str); + char **rv = NULL; + va_list ap; + size_t num_seps = 0; + char *sep = NULL; + + va_start(ap, limit); + sep = va_arg(ap, char *); + while (sep) { + num_seps++; + sep = va_arg(ap, char *); + } + va_end(ap); + + va_start(ap, limit); + rv = __cfustring_split_to_raw(cfu_str, num_strings, num_seps, limit, ap); + va_end(ap); + + cfustring_destroy(cfu_str); + + return rv; +} diff --git a/src/cfuthread_queue.c b/src/cfuthread_queue.c new file mode 100644 index 0000000..9b7267a --- /dev/null +++ b/src/cfuthread_queue.c @@ -0,0 +1,152 @@ +/* Creation date: 2005-07-26 08:20:59 + + * Authors: Don + * Change log: + + */ + +#include "cfuthread_queue.h" +#include "cfulist.h" + +#include +#include +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +struct cfuthread_queue { + pthread_mutex_t mutex; + pthread_cond_t cv; + cfulist_t *request_queue; + cfuthread_queue_fn_t fn; + pthread_t thread; + cfuthread_queue_init_t init_fn; + void *init_arg; + cfuthread_queue_cleanup_t cleanup_fn; + void *cleanup_arg; +}; + +typedef struct cfuthread_queue_entry { + pthread_mutex_t mutex; + pthread_cond_t cv; + void *data_in; + void *data_out; +} cfuthread_queue_entry; + +static cfuthread_queue_entry * +_new_cfuthread_entry(void *data) { + cfuthread_queue_entry *entry = + (cfuthread_queue_entry *)calloc(1, sizeof(cfuthread_queue_entry)); + pthread_mutex_init(&entry->mutex, NULL); + pthread_cond_init(&entry->cv, NULL); + entry->data_in = data; + return entry; +} + +static void +_destroy_cfuthread_entry(cfuthread_queue_entry *entry) { + pthread_mutex_destroy(&entry->mutex); + pthread_cond_destroy(&entry->cv); + free(entry); +} + +static void * +_run_queue(void *arg) { + cfuthread_queue_t *tq = (cfuthread_queue_t *)arg; + cfuthread_queue_entry *request = NULL; + + if (tq->init_fn) { + tq->init_fn(tq->init_arg); + } + + pthread_cleanup_push((void *)tq->cleanup_fn, tq->cleanup_arg); + + while (1) { + pthread_mutex_lock(&tq->mutex); + while (cfulist_num_entries(tq->request_queue) == 0) { + pthread_cond_wait(&tq->cv, &tq->mutex); + } + + request = (cfuthread_queue_entry *)cfulist_dequeue(tq->request_queue); + pthread_mutex_unlock(&tq->mutex); + if (!request) continue; + + pthread_mutex_lock(&request->mutex); + request->data_out = tq->fn(request->data_in); + pthread_cond_signal(&request->cv); + pthread_mutex_unlock(&request->mutex); + } + pthread_exit((void *)0); + + pthread_cleanup_pop(0); + +} + +extern cfuthread_queue_t * +cfuthread_queue_new_with_cleanup(cfuthread_queue_fn_t fn, cfuthread_queue_init_t init_fn, + void *init_arg, cfuthread_queue_cleanup_t cleanup_fn, + void *cleanup_arg) { + cfuthread_queue_t *tq = (cfuthread_queue_t *)calloc(1, sizeof(cfuthread_queue_t)); + pthread_mutex_init(&tq->mutex, NULL); + pthread_cond_init(&tq->cv, NULL); + tq->fn = fn; + tq->request_queue = cfulist_new(); + tq->init_fn = init_fn; + tq->init_arg = init_arg; + tq->cleanup_fn = cleanup_fn; + tq->cleanup_arg = cleanup_arg; + + /* FIXME: do pthread_create() here to run a function that waits on + an entry to be put into the queue, then call fn(). + */ + if ( (0 != pthread_create(&tq->thread, NULL, _run_queue, (void *)tq)) ) { + return NULL; + } + + return tq; +} + +extern cfuthread_queue_t * +cfuthread_queue_new(cfuthread_queue_fn_t fn) { + return cfuthread_queue_new_with_cleanup(fn, NULL, NULL, NULL, NULL); +} + +extern void * +cfuthread_queue_make_request(cfuthread_queue_t * tq, void *data) { + cfuthread_queue_entry *request = _new_cfuthread_entry(data); + + pthread_mutex_lock(&tq->mutex); + pthread_mutex_lock(&request->mutex); + cfulist_enqueue(tq->request_queue, (void *)request); + pthread_cond_signal(&tq->cv); + pthread_mutex_unlock(&tq->mutex); + + pthread_cond_wait(&request->cv, &request->mutex); + pthread_mutex_unlock(&request->mutex); + + data = request->data_out; + _destroy_cfuthread_entry(request); + + return data; +} + +extern void +cfuthread_queue_destroy(cfuthread_queue_t *tq) { + void *rv = NULL; + + pthread_cancel(tq->thread); + pthread_join(tq->thread, &rv); + pthread_mutex_destroy(&tq->mutex); + pthread_cond_destroy(&tq->cv); + cfulist_destroy(tq->request_queue); + free(tq); +} diff --git a/src/cfutime.c b/src/cfutime.c new file mode 100644 index 0000000..d444442 --- /dev/null +++ b/src/cfutime.c @@ -0,0 +1,91 @@ +/* Creation date: 2005-06-26 18:11:40 + * Authors: Don + * Change log: + */ + +/* Copyright (c) 2005 Don Owens + All rights reserved. + + This code is released under the BSD license: + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the author nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "cfu.h" +#include "cfutime.h" +#include +#include + +#ifdef CFU_DEBUG +#ifdef NDEBUG +#undef NDEBUG +#endif +#else +#ifndef NDEBUG +#define NDEBUG 1 +#endif +#endif +#include + +typedef struct cfutime { + libcfu_type type; + struct timeval begin_tv; + struct timezone begin_tz; + struct timeval end_tv; + struct timezone end_tz; +} cfutime; + +extern cfutime_t * +cfutime_new() { + cfutime_t *time = (cfutime_t *)calloc(1, sizeof(cfutime)); + time->type = libcfu_t_time; + return time; +} + +extern void +cfutime_begin(cfutime_t *time) { + gettimeofday(&(time->begin_tv), &(time->begin_tz)); +} + +extern void +cfutime_end(cfutime_t *time) { + gettimeofday(&(time->end_tv), &(time->end_tz)); +} + +extern double +cfutime_elapsed(cfutime_t *time) { + return (double)time->end_tv.tv_sec + ((double)time->end_tv.tv_usec)/1000000 - + ((double)time->begin_tv.tv_sec + ((double)time->begin_tv.tv_usec)/1000000); +} + +extern void +cfutime_free(cfutime_t *time) { + free(time); +} diff --git a/src/libcfu-config.c b/src/libcfu-config.c new file mode 100644 index 0000000..a4005fa --- /dev/null +++ b/src/libcfu-config.c @@ -0,0 +1,74 @@ +/* Creation date: 2005-08-07 13:34:49 + * Authors: Don + * Change log: + */ + +#include +#include +#include + +#include "cfu.h" +#include "cfuopt.h" + +#define GET_PREFIX CFU_PREFIX +#define GET_EXEC_PREFIX CFU_EXEC_PREFIX +#define GET_VERSION LIBCFU_VERSION +#define GET_LIBS "-L" CFU_LIBDIR " -lcfu " CFU_LIBS +#define GET_CFLAGS "-I" CFU_INCLUDEDIR + +static void +print_usage() { + fprintf(stderr, "Usage: libcfu-config [OPTIONS]\n"); + fprintf(stderr, "Options:\n"); + fprintf(stderr, " --prefix [%s]\n", GET_PREFIX); + fprintf(stderr, " --exec-prefix [%s]\n", GET_EXEC_PREFIX); + fprintf(stderr, " --version [%s]\n", GET_VERSION); + fprintf(stderr, " --libs [%s]\n", GET_LIBS); + fprintf(stderr, " --cflags [%s]\n", GET_CFLAGS); +} + +int main(int argc, char **argv) { + char *arg = NULL; + int do_prefix = 0; + int do_exec_prefix = 0; + int do_version = 0; + int do_libs = 0; + int do_cflags = 0; + cfuopt_t *options = cfuopt_new(); + char *error = NULL; + + cfuopt_add_entry(options, "prefix!", &do_prefix, "Display install prefix", NULL); + cfuopt_add_entry(options, "exec-prefix!", &do_exec_prefix, "Display install prefix for executables", NULL); + cfuopt_add_entry(options, "version!", &do_version, "Display library version", NULL); + cfuopt_add_entry(options, "libs!", &do_libs, "Display libraries required for linking with this library", NULL); + cfuopt_add_entry(options, "cflags", &do_cflags, "Display CFLAGS required for compilation", NULL); + + if (argc < 2) { + print_usage(); + exit(1); + } + + cfuopt_parse(options, &argc, &argv, &error); + + arg = argv[1]; + + if (do_prefix) { + fprintf(stdout, "%s\n", GET_PREFIX); + } else if (do_exec_prefix) { + fprintf(stdout, "%s\n", GET_EXEC_PREFIX); + } else if (do_version) { + fprintf(stdout, "%s\n", GET_VERSION); + } else if (do_libs) { + fprintf(stdout, "%s\n", GET_LIBS); + } else if (do_cflags) { + fprintf(stdout, "%s\n", GET_CFLAGS); + } else { + print_usage(); + cfuopt_destroy(options); + exit(1); + } + + cfuopt_destroy(options); + + return 0; +}