diff options
| -rw-r--r-- | kern/string.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kern/string.c b/kern/string.c index 2122af6a..c62a405e 100644 --- a/kern/string.c +++ b/kern/string.c @@ -80,7 +80,7 @@ memset(void *s, int c, size_t n) int memcmp(const void *s1, const void *s2, size_t n) { - const char *a1, *a2; + const unsigned char *a1, *a2; size_t i; a1 = s1; @@ -88,7 +88,7 @@ memcmp(const void *s1, const void *s2, size_t n) for (i = 0; i < n; i++) if (a1[i] != a2[i]) - return a2[i] - a1[i]; + return (int)a1[i] - (int)a2[i]; return 0; } @@ -142,7 +142,7 @@ out: int strcmp(const char *s1, const char *s2) { - char c1, c2; + unsigned char c1, c2; while ((c1 = *s1) == (c2 = *s2)) { if (c1 == '\0') @@ -152,5 +152,5 @@ strcmp(const char *s1, const char *s2) s2++; } - return (c1 < c2) ? -1 : 1; + return (int)c1 - (int)c2; } |