From 99c68861f9c79033e09ad842e2651a4b3aea95ea Mon Sep 17 00:00:00 2001
From: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Date: Thu, 6 Jul 2017 13:15:00 -0400
Subject: [PATCH] concatdec: Do not pass NULL to memcmp
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
---
libavformat/concatdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c
index e57e5ce0ec0..e8b37d6a085 100644
--- a/libavformat/concatdec.c
+++ b/libavformat/concatdec.c
@@ -120,7 +120,7 @@ static int add_file(AVFormatContext *avf, char *filename, ConcatFile **rfile,
proto = avio_find_protocol_name(filename);
proto_len = proto ? strlen(proto) : 0;
- if (!memcmp(filename, proto, proto_len) &&
+ if (proto && !memcmp(filename, proto, proto_len) &&
(filename[proto_len] == ':' || filename[proto_len] == ',')) {
url = filename;
filename = NULL;
--
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