diff options
| -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 */ |