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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-11-24 17:16:30 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-11-24 17:16:30 +1100 |
| commit | 1e43bee9c70654b4d52472c19e5f0a0cc18b6b36 (patch) | |
| tree | ff601ec0c0d14125d0324f21b3c7e6d5e19fa252 /lib | |
| parent | 7d6709a20866a885916214590b7c394a21be9e25 (diff) | |
| parent | a8a8a669ea13d792296737505adc43ccacf3a648 (diff) | |
| download | linux-1e43bee9c70654b4d52472c19e5f0a0cc18b6b36.tar.gz linux-1e43bee9c70654b4d52472c19e5f0a0cc18b6b36.tar.bz2 linux-1e43bee9c70654b4d52472c19e5f0a0cc18b6b36.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'lib')
| -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 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 |