From 0704c44d68704df63eccd5579e66e5f218a378a6 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 26 Dec 2014 12:11:58 +0100
Subject: [PATCH] avformat/cache: remove ftruncate usage, its not always
 available

In case of errors the cache file will be slightly larger than needed,
this should have no practical relevance though

Should fix build on VS201*

Found-by: jamrial
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/cache.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/cache.c b/libavformat/cache.c
index f6787ee6cf..02b02bbf54 100644
--- a/libavformat/cache.c
+++ b/libavformat/cache.c
@@ -145,8 +145,8 @@ static int add_entry(URLContext *h, const unsigned char *buf, int size)
 
     return 0;
 fail:
-    if (pos >= 0)
-        ftruncate(c->fd, pos);
+    //we could truncate the file to pos here if pos >=0 but ftruncate isnt available in VS so
+    //for simplicty we just leave the file a bit larger
     av_free(entry);
     av_free(node);
     return ret;