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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-29 19:22:13 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-29 19:22:13 +0000
commit5a28a25b9dd81e0975532458723c4244ff532e58 (patch)
tree53d30dbcfb05156500451389d47827487564b257 /libbb/trim.c
parent63430ae35ad98d5946851e8a366379dd1574f2a2 (diff)
downloadbusybox-5a28a25b9dd81e0975532458723c4244ff532e58.tar.gz
busybox-5a28a25b9dd81e0975532458723c4244ff532e58.tar.bz2
syscall: code shrink
text data bss dec hex filename 777209 974 9676 787859 c0593 busybox_old 777042 974 9676 787692 c04ec busybox_unstripped
Diffstat (limited to 'libbb/trim.c')
-rw-r--r--libbb/trim.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/trim.c b/libbb/trim.c
index 4957d7276..94ccaf7ed 100644
--- a/libbb/trim.c
+++ b/libbb/trim.c
@@ -16,12 +16,16 @@ void trim(char *s)
size_t lws;
/* trim trailing whitespace */
- while (len && isspace(s[len-1])) --len;
+ while (len && isspace(s[len-1]))
+ --len;
/* trim leading whitespace */
if (len) {
lws = strspn(s, " \n\r\t\v");
- memmove(s, s + lws, len -= lws);
+ if (lws) {
+ len -= lws;
+ memmove(s, s + lws, len);
+ }
}
s[len] = '\0';
}