# HG changeset patch
# User Mike Pavone <pavone@retrodev.com>
# Date 1546240440 28800
# Node ID f00fec236d56eb196a9bda361526cf802be6cb9a
# Parent  35c308355bfb771a0f507dc1dad75ecd02dd8e5f
Fix crash when passed a filename with no extension

diff -r 35c308355bfb -r f00fec236d56 blastem.c
--- a/blastem.c	Sun Dec 30 23:05:39 2018 -0800
+++ b/blastem.c	Sun Dec 30 23:14:00 2018 -0800
@@ -137,7 +137,7 @@
 {
 	uint8_t header[10];
 	char *ext = path_extension(filename);
-	if (!strcasecmp(ext, "zip")) {
+	if (ext && !strcasecmp(ext, "zip")) {
 		free(ext);
 		return load_rom_zip(filename, dst);
 	}