aboutsummaryrefslogtreecommitdiff
path: root/libbb
diff options
context:
space:
mode:
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 /libbb
parentf1a5cb0548f647e628032ea8645c0d0d2d07b02f (diff)
downloadbusybox-86981e3ad2d03e77d1f668ac1603a041be448dae.tar.gz
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 'libbb')
-rw-r--r--libbb/u_signal_names.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libbb/u_signal_names.c b/libbb/u_signal_names.c
index bf984a44e..b82a706d8 100644
--- a/libbb/u_signal_names.c
+++ b/libbb/u_signal_names.c
@@ -143,7 +143,7 @@ int FAST_FUNC get_signum(const char *name)
unsigned i;
i = bb_strtou(name, NULL, 10);
- if (!errno)
+ if (!errno && i < NSIG) /* for shells, we allow 0 too */
return i;
if (strncasecmp(name, "SIG", 3) == 0)
name += 3;