summaryrefslogtreecommitdiff
path: root/lib/string.c
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2009-12-22 17:21:47 -0700
committerDan Williams <dan.j.williams@intel.com>2009-12-22 17:21:47 -0700
commitf80ca163d65903276bec7045a484a79c0897eb2d (patch)
tree97c7d61d43248b9db0757a76af80ff58b98b5599 /lib/string.c
parent0794ec8ce327ec74416b569b8fb1951274693700 (diff)
parenta6d52d70677e99bdb89b6921c265d0a58c22e597 (diff)
Merge branch 'ioat' into fixes
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/string.c b/lib/string.c
index b19b87af65a3..e96421ab9a9a 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -246,13 +246,17 @@ EXPORT_SYMBOL(strlcat);
#undef strcmp
int strcmp(const char *cs, const char *ct)
{
- signed char __res;
+ unsigned char c1, c2;
while (1) {
- if ((__res = *cs - *ct++) != 0 || !*cs++)
+ c1 = *cs++;
+ c2 = *ct++;
+ if (c1 != c2)
+ return c1 < c2 ? -1 : 1;
+ if (!c1)
break;
}
- return __res;
+ return 0;
}
EXPORT_SYMBOL(strcmp);
#endif
@@ -266,14 +270,18 @@ EXPORT_SYMBOL(strcmp);
*/
int strncmp(const char *cs, const char *ct, size_t count)
{
- signed char __res = 0;
+ unsigned char c1, c2;
while (count) {
- if ((__res = *cs - *ct++) != 0 || !*cs++)
+ c1 = *cs++;
+ c2 = *ct++;
+ if (c1 != c2)
+ return c1 < c2 ? -1 : 1;
+ if (!c1)
break;
count--;
}
- return __res;
+ return 0;
}
EXPORT_SYMBOL(strncmp);
#endif