@@ -1129,10 +1129,13 @@
 		pathCStringLength--;
 
 	if (pathCStringLength == 0)
 		return @"";
 
+	if (pathCStringLength - 1 > SSIZE_MAX)
+		@throw [OFOutOfRangeException exception];
+
 	for (i = pathCStringLength - 1; i >= 0; i--) {
 		if (OF_IS_PATH_DELIMITER(_s->cString[i])) {
 			i++;
 			break;
 		}