X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=strcasecmp.c;h=76ab9be3eb8087b851d65896b85b5a282945e5bc;hb=49268a95ee78bc179fd3439b3f06e9a06c993c92;hp=c1f3bbd82296d3ab9b41ab586950b7116327cd2d;hpb=dc6faf2379170e7cac5005854ce48958115d4896;p=~andy%2Ffetchmail

diff --git a/strcasecmp.c b/strcasecmp.c
index c1f3bbd8..76ab9be3 100644
--- a/strcasecmp.c
+++ b/strcasecmp.c
@@ -6,18 +6,18 @@
  */
 #include <ctype.h>
 
-strcasecmp(char *s1, char *s2)
+int strcasecmp(char *s1, char *s2)
 {
-    while (toupper(*s1) == toupper(*s2++))
+    while (toupper((unsigned char)*s1) == toupper((unsigned char)*s2++))
 	if (*s1++ == '\0')
-	    return(0);
-    return(toupper(*s1) - toupper(*--s2));
+	    return 0;
+    return(toupper((unsigned char)*s1) - toupper((unsigned char)*--s2));
 }
 
-strncasecmp(char *s1, char *s2, register int n)
+int strncasecmp(char *s1, char *s2, register int n)
 {
-    while (--n >= 0 && toupper(*s1) == toupper(*s2++))
-	if (toupper(*s1++) == '\0')
-	    return(0);
-    return(n < 0 ? 0 : toupper(*s1) - toupper(*--s2));
+    while (--n >= 0 && toupper((unsigned char)*s1) == toupper((unsigned char)*s2++))
+	if (*s1++ == '\0')
+	    return 0;
+    return(n < 0 ? 0 : toupper((unsigned char)*s1) - toupper((unsigned char)*--s2));
 }