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authorDenys Vlasenko <vda.linux@googlemail.com>2017-07-25 20:06:17 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2017-07-25 20:06:17 +0200
commit86981e3ad2d03e77d1f668ac1603a041be448dae (patch)
treeb7474eb7ce7117a4bcc883b5da97463dbbd952f6 /shell/hush.c
parentf1a5cb0548f647e628032ea8645c0d0d2d07b02f (diff)
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ash: allow "trap NUM [SIG]..." syntax
While at it, make get_signum() return -1 for numeric strings >= NSIG. function old new delta trapcmd 292 306 +14 get_signum 295 300 +5 builtin_trap 413 412 -1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 19/-1) Total: 18 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c
index f9dad074f..11b33f40a 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -9745,7 +9745,7 @@ static int FAST_FUNC builtin_trap(char **argv)
9745 sighandler_t handler; 9745 sighandler_t handler;
9746 9746
9747 sig = get_signum(*argv++); 9747 sig = get_signum(*argv++);
9748 if (sig < 0 || sig >= NSIG) { 9748 if (sig < 0) {
9749 ret = EXIT_FAILURE; 9749 ret = EXIT_FAILURE;
9750 /* Mimic bash message exactly */ 9750 /* Mimic bash message exactly */
9751 bb_error_msg("trap: %s: invalid signal specification", argv[-1]); 9751 bb_error_msg("trap: %s: invalid signal specification", argv[-1]);