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authorAndré Goddard Rosa <andre.goddard@gmail.com>2010-03-05 16:43:12 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 14:26:35 -0500
commitd6a2eedfddcded92c8f9b0ac022a99c4134696b0 (patch)
tree6a0f38fbc74e839fc7712f8ebcb65cce75cdcc06 /lib/string.c
parenta11d2b64e1f2556953120d516241243ea365f0ae (diff)
lib/string.c: simplify strnstr()
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Joe Perches <joe@perches.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/string.c b/lib/string.c
index 0f8624532082..f71bead1be3e 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -689,13 +689,13 @@ EXPORT_SYMBOL(strstr);
689 */ 689 */
690char *strnstr(const char *s1, const char *s2, size_t len) 690char *strnstr(const char *s1, const char *s2, size_t len)
691{ 691{
692 size_t l1 = len, l2; 692 size_t l2;
693 693
694 l2 = strlen(s2); 694 l2 = strlen(s2);
695 if (!l2) 695 if (!l2)
696 return (char *)s1; 696 return (char *)s1;
697 while (l1 >= l2) { 697 while (len >= l2) {
698 l1--; 698 len--;
699 if (!memcmp(s1, s2, l2)) 699 if (!memcmp(s1, s2, l2))
700 return (char *)s1; 700 return (char *)s1;
701 s1++; 701 s1++;