improved the speed somewhat

fixed bug with negative chars in comparisons
1990-08-28 13:54:46 +00:00
parent cd1f6c38a4
commit a41c51783a
17 changed files with 104 additions and 85 deletions
--- a/lang/cem/libcc.ansi/string/strcmp.c
+++ b/lang/cem/libcc.ansi/string/strcmp.c
@@ -9,11 +9,12 @@
 int
 strcmp(register const char *s1, register const char *s2)
 {
-	for(;;) {
-		if (*s1 != *s2)
-			return *s1 - *s2;
-		if (*s1++ ==  '\0')
+	while (*s1 == *s2++) {
+		if (*s1++ == '\0') {
 			return 0;
-		s2++;
+		}
 	}
+	if (*s1 == '\0') return -1;
+	if (*--s2 == '\0') return 1;
+	return *s1 - *s2;
 }