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another try at improving ^c with readline

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@160 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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vsc
2001-09-21 14:22:32 +00:00
parent 9236415849
commit f928b9452b
3 changed files with 29 additions and 29 deletions
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30
C/sysbits.c
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@@ -1055,10 +1055,6 @@ void (*handler)(int);
#endif
#if HAVE_LIBREADLINE
static char *_line = NULL;
#endif
static int
InteractSIGINT(char ch) {
switch (ch) {
@@ -1172,16 +1168,21 @@ ProcessSIGINT(void)
do {
#if HAVE_LIBREADLINE
if (_line != (char *) NULL && _line != (char *) EOF)
free (_line);
_line = readline ("Action (h for help): ");
if (_line == (char *)NULL || _line == (char *)EOF) {
ch = EOF;
continue;
if (_line != (char *) NULL) {
ch = _line[0];
free(_line);
_line = NULL;
} else {
_line = readline ("Action (h for help): ");
if (_line == (char *)NULL || _line == (char *)EOF) {
ch = EOF;
continue;
} else {
ch = _line[0];
free(_line);
_line = NULL;
}
}
ch = _line[0];
free(_line);
_line = NULL;
#else
/* ask for a new line */
fprintf(stderr, "Action (h for help): ");
@@ -1215,7 +1216,8 @@ HandleSIGINT (int sig)
PrologMode |= InterruptMode;
#if HAVE_LIBREADLINE
if (in_getc) {
siglongjmp(readline_jmpbuf, 0);
fprintf(stderr, "Action (h for help): ");
rl_set_prompt("Action (h for help): ");
}
#endif
return;