diff options
| author | Richard Braun <rbraun@sceen.net> | 2018-01-05 00:52:55 +0100 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2018-01-05 00:53:37 +0100 |
| commit | 26905a0ec6a7a4a688c5cbf3318ed863b7c34cbe (patch) | |
| tree | e91e9f8268a55f3ebae1bad23f1abac0321b4934 /kern/string.c | |
| parent | f669fc33e01249cccbef31ce84d447b949ff8e3d (diff) | |
kern/string: fix strcmp and strncmp return value
Diffstat (limited to 'kern/string.c')
| -rw-r--r-- | kern/string.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kern/string.c b/kern/string.c index 6c9c8abc..70d03d02 100644 --- a/kern/string.c +++ b/kern/string.c @@ -181,7 +181,8 @@ strcmp(const char *s1, const char *s2) s2++; } - return (int)c1 - (int)c2; + /* See C11 7.24.4 Comparison functions */ + return (int)(unsigned char)c1 - (int)(unsigned char)c2; } #endif /* STRING_ARCH_STRCMP */ @@ -205,7 +206,8 @@ strncmp(const char *s1, const char *s2, size_t n) s2++; } - return (int)c1 - (int)c2; + /* See C11 7.24.4 Comparison functions */ + return (int)(unsigned char)c1 - (int)(unsigned char)c2; } #endif /* STRING_ARCH_STRNCMP */ |