[FFmpeg-cvslog] trasher: check seek return value.

[Michael Niedermayer]

ffmpeg | branch: release/0.10 | Michael Niedermayer <michaelni at gmx.at> | Sat Oct 13 19:46:53 2012 +0200| [12801f969bf5e62f13994afd22354fa6fc3e2cea] | committer: Michael Niedermayer

trasher: check seek return value.

Fixes CID733726
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 8ab0b9cabacad57cad7c26144baa544fab9c2ba7)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=12801f969bf5e62f13994afd22354fa6fc3e2cea
---

 tools/trasher.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/trasher.c b/tools/trasher.c
index 61fd395..df6caf9 100644
--- a/tools/trasher.c
+++ b/tools/trasher.c
@@ -54,7 +54,10 @@ int main(int argc, char **argv)
     while (count--) {
         int burst = 1 + ran() * (uint64_t) (abs(maxburst) - 1) / UINT32_MAX;
         int pos   = ran() * (uint64_t) length / UINT32_MAX;
-        fseek(f, pos, SEEK_SET);
+        if (fseek(f, pos, SEEK_SET) < 0) {
+            fprintf(stderr, "seek failed\n");
+            return 1;
+        }
 
         if (maxburst < 0)
             burst = -maxburst;