JehanneOS/mksh
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be more careful with signals and errorlevels; bounds-check them better;

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don’t trust the OS as POSuX comes up with more-than-8-bit exit codes now;
also, one more int → bool
This commit is contained in:
tg
2015-08-13 21:38:19 +00:00
parent 9d30e9c9d6
commit c674e71377
4 changed files with 48 additions and 37 deletions
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10
funcs.c
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@ -38,7 +38,7 @@
#endif
#endif
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.281 2015/08/13 21:04:11 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.282 2015/08/13 21:38:17 tg Exp $");
#if HAVE_KILLPG
/*
@ -1374,7 +1374,7 @@ c_kill(const char **wp)
for (; wp[i]; i++) {
if (!bi_getn(wp[i], &n))
return (1);
#if (ksh_NSIG < 128)
#if (ksh_NSIG <= 128)
if (n > 128 && n < 128 + ksh_NSIG)
n -= 128;
#endif
@ -1385,7 +1385,7 @@ c_kill(const char **wp)
}
} else {
ssize_t w, mess_cols = 0, mess_octs = 0;
int j = ksh_NSIG;
int j = ksh_NSIG - 1;
struct kill_info ki = { 0, 0 };
do {
@ -2293,7 +2293,7 @@ int
c_trap(const char **wp)
{
Trap *p = sigtraps;
int i = ksh_NSIG + 1;
int i = ksh_NSIG;
const char *s;
if (ksh_getopt(wp, &builtin_opt, null) == '?')
@ -2308,7 +2308,7 @@ c_trap(const char **wp)
shprintf(" %s\n", p->name);
}
++p;
} while (--i);
} while (i--);
return (0);
}