[FFmpeg-cvslog] avutil/file: add av_warn_unused_result to av_file_map

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Thu Oct 15 18:18:02 2015 -0400| [a0b079ac25feda03d41f6b1755a575bd1b80b2aa] | committer: Ganesh Ajjanagadde

avutil/file: add av_warn_unused_result to av_file_map

The return code here should be checked.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a0b079ac25feda03d41f6b1755a575bd1b80b2aa
---

 libavutil/file.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavutil/file.h b/libavutil/file.h
index 1cae295..e931be7 100644
--- a/libavutil/file.h
+++ b/libavutil/file.h
@@ -40,6 +40,7 @@
  * @return a non negative number in case of success, a negative value
  * corresponding to an AVERROR error code in case of failure
  */
+av_warn_unused_result
 int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
                 int log_offset, void *log_ctx);