summaryrefslogtreecommitdiffstats
path: root/lib/libc/string/strncmp.c
diff options
context:
space:
mode:
authoreadler <eadler@FreeBSD.org>2011-11-22 00:07:53 +0000
committereadler <eadler@FreeBSD.org>2011-11-22 00:07:53 +0000
commit7eb95f50e380e785a18aaee6734807ee6db226a6 (patch)
treeabcaedad17a9a120ce91c83c2e7ca0fda8f47c2d /lib/libc/string/strncmp.c
parent3be48b6d59eed7d8eadd7974014c5cf08eb38e9a (diff)
downloadFreeBSD-src-7eb95f50e380e785a18aaee6734807ee6db226a6.zip
FreeBSD-src-7eb95f50e380e785a18aaee6734807ee6db226a6.tar.gz
- add check for pointer equality prior to performing the O(n) pass
- while here change 's' to 's1' in strcoll Submitted by: eadler@ Reviewed by: theraven@ Approved by: brooks@ MFC after: 2 weeks
Diffstat (limited to 'lib/libc/string/strncmp.c')
-rw-r--r--lib/libc/string/strncmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libc/string/strncmp.c b/lib/libc/string/strncmp.c
index 5bc3d5e..46db3f9 100644
--- a/lib/libc/string/strncmp.c
+++ b/lib/libc/string/strncmp.c
@@ -39,8 +39,9 @@ int
strncmp(const char *s1, const char *s2, size_t n)
{
- if (n == 0)
+ if ((n == 0) | (s1 == s2))
return (0);
+
do {
if (*s1 != *s2++)
return (*(const unsigned char *)s1 -
OpenPOWER on IntegriCloud