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lib: Fix strncmp 

strncmp continues to compare the characters in the input strings past any
null termination it may encounter. Null termination check is added.

Reviewed-on: https://chromium-review.googlesource.com/314815
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Hannah Williams <hannah.williams@intel.com>
Tested-by: Hannah Williams <hannah.williams@intel.com>
(cherry picked from commit ca7022752115eddbcb776f0c0d778249555ddf32)
Reviewed-on: https://chromium-review.googlesource.com/315130

Change-Id: Ifc378966dcf6023efe3d32b026cc89d69b0bb990
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/12721
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Hannah Williams 2015-12-01 09:30:27 -08:00 committed by Stefan Reinauer
parent fa6014a6ec
commit 03d4ae7684
1 changed files with 1 additions and 1 deletions
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2
src/include/string.h
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@ -112,7 +112,7 @@ static inline int strncmp(const char *s1, const char *s2, int maxlen)
int i; int i;
for (i = 0; i < maxlen; i++) { for (i = 0; i < maxlen; i++) {
if (s1[i] != s2[i]) if ((s1[i] != s2[i]) || (s1[i] == '\0'))
return s1[i] - s2[i]; return s1[i] - s2[i];
} }