shared: add strcmp() testcases, fix invalid implementation

1 files changed, 4 insertions, 6 deletions

diff --git a/src/shared/mem.c b/src/shared/mem.c
index 9185c9e..eb34445 100644
--- a/src/shared/mem.c
+++ b/src/shared/mem.c
@@ -28,14 +28,12 @@ void *memset(void *s, int c, size_t n) {
 }
 
 int strcmp(const char *s1, const char *s2) {
-	while (*s1) {
-		if (*s1 != *s2) {
-			if (*s1 < *s2)  return -1;
-			else            return 1;
-		}
+	while (*s1 && *s1 == *s2) {
 		s1++; s2++;
 	}
-	return 0;
+	if (*s1 == *s2) return  0;
+	if (*s1 <  *s2) return -1;
+	else            return  1;
 }
 
 size_t strlen(const char *s) {