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| author | Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:18 +0100 |
| commit | f3d607c6b39bd9cb5000e03e2c0dc2afe1241374 (patch) | |
| tree | 885b5e0b5bb3d87efc4bfbde69feff2ece32ecac /lib/string.c | |
| parent | 8055039c2a2454c7159dcbde3161943b757a6e0e (diff) | |
| parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) | |
| download | kernel-crypto-f3d607c6b39bd9cb5000e03e2c0dc2afe1241374.tar.gz kernel-crypto-f3d607c6b39bd9cb5000e03e2c0dc2afe1241374.tar.xz kernel-crypto-f3d607c6b39bd9cb5000e03e2c0dc2afe1241374.zip | |
Merge branch 'linus' into x86/urgent
Merge reason: we want to queue up a dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/string.c')
| -rw-r--r-- | lib/string.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/string.c b/lib/string.c index b19b87af65a..e96421ab9a9 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 |