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ash: even smaller trap code

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function                                             old     new   delta
evalvar                                             1371    1373      +2
trapcmd                                              347     260     -87

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-09-25 02:58:20 +02:00
parent e305c28285
commit 726e1a04f7
1 changed files with 7 additions and 4 deletions
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11
shell/ash.c
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@ -4601,8 +4601,7 @@ forkchild(struct job *jp, union node *n, int mode)
*
* Our solution: ONLY bare $(trap) or `trap` is special.
*/
/* This is needed to prevent EXIT trap firing and such
* (trap_ptr will be freed in trapcmd()) */
/* This is needed to prevent EXIT trap firing and such */
trap_ptr = memcpy(xmalloc(sizeof(trap)), trap, sizeof(trap));
}
clear_traps();
@ -12271,14 +12270,18 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
single_quote(tr),
(signo == 0 ? "" : "SIG"),
get_signame(signo));
if (trap_ptr != trap)
free(tr);
/* trap_ptr != trap only if we are in special-cased `trap` code.
* In this case, we will exit very soon, no need to free(). */
/* if (trap_ptr != trap) */
/* free(tr); */
}
}
/*
if (trap_ptr != trap) {
free(trap_ptr);
trap_ptr = trap;
}
*/
return 0;
}