Fix stupid strncmp() bug.

[polintos/scott/priv.git] / lib / c / freestanding / string.c

diff --git a/lib/c/freestanding/string.c b/lib/c/freestanding/string.c
index 0241f91b5c10176ef2fb8f54fc3b179e16717699..45eb2463284af43fd33ffe4f043e999dd0069537 100644 (file)
--- a/lib/c/freestanding/string.c
+++ b/lib/c/freestanding/string.c
@@ -51,8 +51,6 @@ int memcmp(const void *b1, const void *b2, size_t len)
        for (pos = 0; pos < len; pos++) {
                if (c1[pos] != c2[pos])
                        return c1[pos] - c2[pos];
-                       
-               pos++;
        }
        
        return 0;
@@ -152,7 +150,7 @@ int strcmp(const char *s1, const char *s2)
                s2++;
        }
 
-       return *s2 - *s1;
+       return (unsigned char)*s2 - (unsigned char)*s1;
 }
 
 int strncmp(const char *s1, const char *s2, int n)
@@ -165,7 +163,7 @@ int strncmp(const char *s1, const char *s2, int n)
        if (i == n)
                return 0;
 
-       return *s2 - *s1;
+       return (unsigned char)s2[i] - (unsigned char)s1[i];
 }
 
 char *strchr(const char *s, int c)