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* inittraps: convert signal _names_ to uppercase, we're matching 

case-sensitively in the 'trap' builtin, and Mac OSX has them
  in lowercase at sys_signame[]…
* gettraps: optimise
This commit is contained in:
tg 2007-01-12 00:37:09 +00:00
parent 2f15a11c55
commit 0e4bbd4bf6
1 changed files with 19 additions and 17 deletions
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36
histrap.c
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@ -3,7 +3,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.35 2007/01/12 00:25:40 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.36 2007/01/12 00:37:09 tg Exp $");
Trap sigtraps[NSIG + 1];
static struct sigaction Sigact_ign, Sigact_trap;
@ -960,7 +960,8 @@ sprinkle(int fd)
void
inittraps(void)
{
int i;
int i;
char *s;
/* Populate sigtraps based on sys_signame and sys_siglist. */
for (i = 0; i <= NSIG; i++) {
@ -970,13 +971,23 @@ inittraps(void)
sigtraps[i].mess = "Error handler";
} else {
#if HAVE_SYS_SIGNAME || HAVE_SYS_SIGNAME
sigtraps[i].name = sys_signame[i];
s = sys_signame[i];
#else
const struct mksh_sigpair *pair = mksh_sigpairs;
while ((pair->nr != i) && (pair->name != NULL))
++pair;
sigtraps[i].name = pair->name;
s = pair->name;
#endif
if ((s == NULL) ||
(s[0] == '\0'))
sigtraps[i].name = shf_smprintf("%d", i);
else {
sigtraps[i].name = s = str_save(
!strncasecmp(s, "SIG", 3) ? s + 3 : s,
APERM);
while (*s = ksh_toupper(*s))
++s;
}
#if HAVE_SYS_SIGLIST
sigtraps[i].mess = sys_siglist[i];
#elif HAVE__SYS_SIGLIST
@ -986,14 +997,9 @@ inittraps(void)
#else
sigtraps[i].mess = NULL;
#endif
if ((sigtraps[i].name == NULL) ||
(sigtraps[i].name[0] == '\0'))
sigtraps[i].name = shf_smprintf("%d", i);
if ((sigtraps[i].mess == NULL) ||
(sigtraps[i].mess[0] == '\0'))
sigtraps[i].mess = shf_smprintf("Signal %d", i);
if (!strncasecmp(sigtraps[i].name, "SIG", 3))
sigtraps[i].name += 3;
}
}
sigtraps[SIGEXIT_].name = "EXIT"; /* our name for signal 0 */
@ -1048,22 +1054,18 @@ alarm_catcher(int sig __attribute__((unused)))
Trap *
gettrap(const char *name, int igncase)
{
int i;
int n = NSIG + 1;
Trap *p;
if (ksh_isdigit(*name)) {
int n;
if (getn(name, &n) && 0 <= n && n < NSIG)
return &sigtraps[n];
return NULL;
}
for (p = sigtraps, i = NSIG+1; --i >= 0; p++)
return (&sigtraps[n]);
} else for (p = sigtraps; --n >= 0; p++)
if (!(igncase ? strcasecmp : strcmp)(p->name, name) ||
(!strncasecmp(name, "SIG", 3) &&
!(igncase ? strcasecmp : strcmp)(p->name, name + 3)))
return (p);
return NULL;
return (NULL);
}
/*