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| author | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
| commit | 2cfcadde83b308240690ff1c18f117d8bc7a08b0 (patch) | |
| tree | aa0795966d070d1f7a5221232d9ba47744bddb5f /lib/string.c | |
| parent | e91edcf5a2940bb7f1f316c871dfe9e2aaf9d6d9 (diff) | |
| parent | 648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff) | |
| download | lwn-2cfcadde83b308240690ff1c18f117d8bc7a08b0.tar.gz lwn-2cfcadde83b308240690ff1c18f117d8bc7a08b0.zip | |
Merge commit 'v2.6.32-rc8'
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 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 |