1 files changed, 4 insertions, 2 deletions
diff --git a/src/string.c b/src/string.c
index ef0d6f7..8d4f876 100644
--- a/src/string.c
+++ b/src/string.c
@@ -17,14 +17,16 @@ void *memmove( void *d, const void *s, size_t n )
 	if( dd == ss ) return d;
 	
 	if( dd <= ss ) {
-		while( n-- > 0 ) {
+		while( n > 0 ) {
 			*dd++ = *ss++;
+			n--;
 		}
 	} else {
 		dd += n;
 		ss += n;
-		while( n-- > 0 ) {
+		while( n > 0 ) {
 			*--dd = *--ss;
+			n--;
 		}
 	}