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authorIngo Molnar <mingo@elte.hu>2010-03-09 17:11:53 +0100
committerIngo Molnar <mingo@elte.hu>2010-03-09 17:11:53 +0100
commit548b84166917d6f5e2296123b85ad24aecd3801d (patch)
tree0ab0300e23a02df0fe3c0579627e4998bb122c00 /lib/string.c
parentcfb581bcd4f8c158c6f2b48bf5e232bb9e6855c0 (diff)
parent57d54889cd00db2752994b389ba714138652e60c (diff)
Merge commit 'v2.6.34-rc1' into perf/urgent
Conflicts: tools/perf/util/probe-event.c Merge reason: Pick up -rc1 and resolve the conflict as well. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/lib/string.c b/lib/string.c
index a1cdcfcc42d..f71bead1be3 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -36,25 +36,21 @@ int strnicmp(const char *s1, const char *s2, size_t len)
/* Yes, Virginia, it had better be unsigned */
unsigned char c1, c2;
- c1 = c2 = 0;
- if (len) {
- do {
- c1 = *s1;
- c2 = *s2;
- s1++;
- s2++;
- if (!c1)
- break;
- if (!c2)
- break;
- if (c1 == c2)
- continue;
- c1 = tolower(c1);
- c2 = tolower(c2);
- if (c1 != c2)
- break;
- } while (--len);
- }
+ if (!len)
+ return 0;
+
+ do {
+ c1 = *s1++;
+ c2 = *s2++;
+ if (!c1 || !c2)
+ break;
+ if (c1 == c2)
+ continue;
+ c1 = tolower(c1);
+ c2 = tolower(c2);
+ if (c1 != c2)
+ break;
+ } while (--len);
return (int)c1 - (int)c2;
}
EXPORT_SYMBOL(strnicmp);
@@ -693,13 +689,13 @@ EXPORT_SYMBOL(strstr);
*/
char *strnstr(const char *s1, const char *s2, size_t len)
{
- size_t l1 = len, l2;
+ size_t l2;
l2 = strlen(s2);
if (!l2)
return (char *)s1;
- while (l1 >= l2) {
- l1--;
+ while (len >= l2) {
+ len--;
if (!memcmp(s1, s2, l2))
return (char *)s1;
s1++;