diogo/yap-6.3
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This commit is contained in:
Vitor Santos Costa
2018-05-01 23:25:58 +01:00
parent 44ac70d3ab
commit ef04b30d66
56 changed files with 2229 additions and 2422 deletions
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150
library/regex/regerror.c
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@@ -41,13 +41,22 @@
static char sccsid[] = "@(#)regerror.c 8.4 (Berkeley) 3/20/94";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdlib.h>
/**
* @file regerror.c
*
* @brief Error handling.
*
* @namespace regexp
*
*/
#include "YapInterface.h"
#include "yapregex.h"
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "utils.h"
@@ -57,7 +66,7 @@ extern "C" {
#endif
/* === regerror.c === */
static char * regatoi(const regex_t *preg, char *localbuf);
static char *regatoi(const regex_t *preg, char *localbuf);
#ifdef __cplusplus
}
@@ -84,91 +93,86 @@ static char * regatoi(const regex_t *preg, char *localbuf);
= #define REG_ITOA 0400 // convert number to name (!)
*/
static struct rerr {
int code;
char *name;
char *explain;
} rerrs[] = {
{REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match"},
{REG_BADPAT, "REG_BADPAT", "invalid regular expression"},
{REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element"},
{REG_ECTYPE, "REG_ECTYPE", "invalid character class"},
{REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)"},
{REG_ESUBREG, "REG_ESUBREG", "invalid backreference number"},
{REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced"},
{REG_EPAREN, "REG_EPAREN", "parentheses not balanced"},
{REG_EBRACE, "REG_EBRACE", "braces not balanced"},
{REG_BADBR, "REG_BADBR", "invalid repetition count(s)"},
{REG_ERANGE, "REG_ERANGE", "invalid character range"},
{REG_ESPACE, "REG_ESPACE", "out of memory"},
{REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid"},
{REG_EMPTY, "REG_EMPTY", "empty (sub)expression"},
{REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug"},
{REG_INVARG, "REG_INVARG", "invalid argument to regex routine"},
{0, "", "*** unknown regexp error code ***"}
};
int code;
char *name;
char *explain;
} rerrs[] = {{REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match"},
{REG_BADPAT, "REG_BADPAT", "invalid regular expression"},
{REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element"},
{REG_ECTYPE, "REG_ECTYPE", "invalid character class"},
{REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)"},
{REG_ESUBREG, "REG_ESUBREG", "invalid backreference number"},
{REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced"},
{REG_EPAREN, "REG_EPAREN", "parentheses not balanced"},
{REG_EBRACE, "REG_EBRACE", "braces not balanced"},
{REG_BADBR, "REG_BADBR", "invalid repetition count(s)"},
{REG_ERANGE, "REG_ERANGE", "invalid character range"},
{REG_ESPACE, "REG_ESPACE", "out of memory"},
{REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid"},
{REG_EMPTY, "REG_EMPTY", "empty (sub)expression"},
{REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug"},
{REG_INVARG, "REG_INVARG", "invalid argument to regex routine"},
{0, "", "*** unknown regexp error code ***"}};
/*
- regerror - the interface to error numbers
= extern size_t regerror(int, const regex_t *, char *, size_t);
*/
/* ARGSUSED */
size_t
yap_regerror(int errcode,const regex_t *preg,char *errbuf,size_t errbuf_size)
{
register struct rerr *r;
register size_t len;
register int target = errcode &~ REG_ITOA;
register char *s;
char convbuf[50];
size_t yap_regerror(int errcode, const regex_t *preg, char *errbuf,
size_t errbuf_size) {
register struct rerr *r;
register size_t len;
register int target = errcode & ~REG_ITOA;
register char *s;
char convbuf[50];
if (errcode == REG_ATOI)
s = regatoi(preg, convbuf);
else {
for (r = rerrs; r->code != 0; r++)
if (r->code == target)
break;
if (errcode == REG_ATOI)
s = regatoi(preg, convbuf);
else {
for (r = rerrs; r->code != 0; r++)
if (r->code == target)
break;
if (errcode&REG_ITOA) {
if (r->code != 0)
(void) strcpy(convbuf, r->name);
else
sprintf(convbuf, "REG_0x%x", target);
assert(strlen(convbuf) < sizeof(convbuf));
s = convbuf;
} else
s = r->explain;
}
if (errcode & REG_ITOA) {
if (r->code != 0)
(void)strcpy(convbuf, r->name);
else
sprintf(convbuf, "REG_0x%x", target);
assert(strlen(convbuf) < sizeof(convbuf));
s = convbuf;
} else
s = r->explain;
}
len = strlen(s) + 1;
if (errbuf_size > 0) {
if (errbuf_size > len)
(void) strcpy(errbuf, s);
else {
(void) strncpy(errbuf, s, errbuf_size-1);
errbuf[errbuf_size-1] = '\0';
}
}
len = strlen(s) + 1;
if (errbuf_size > 0) {
if (errbuf_size > len)
(void)strcpy(errbuf, s);
else {
(void)strncpy(errbuf, s, errbuf_size - 1);
errbuf[errbuf_size - 1] = '\0';
}
}
return(len);
return (len);
}
/*
- regatoi - internal routine to implement REG_ATOI
== static char *regatoi(const regex_t *preg, char *localbuf);
*/
static char *
regatoi(preg, localbuf)
const regex_t *preg;
static char *regatoi(preg, localbuf) const regex_t *preg;
char *localbuf;
{
register struct rerr *r;
register struct rerr *r;
for (r = rerrs; r->code != 0; r++)
if (strcmp(r->name, preg->re_endp) == 0)
break;
if (r->code == 0)
return("0");
for (r = rerrs; r->code != 0; r++)
if (strcmp(r->name, preg->re_endp) == 0)
break;
if (r->code == 0)
return ("0");
sprintf(localbuf, "%d", r->code);
return(localbuf);
sprintf(localbuf, "%d", r->code);
return (localbuf);
}