[FFmpeg-cvslog] avutil/file: fix av_tempfile() documentation

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Nov 24 04:57:56 2014 +0100| [b4d8724ab28d63d1297f3e48f491d827e48b6a81] | committer: Michael Niedermayer

avutil/file: fix av_tempfile() documentation

Found-by: Lukasz Marek <lukasz.m.luki2 at gmail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b4d8724ab28d63d1297f3e48f491d827e48b6a81
---

 libavutil/file.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavutil/file.h b/libavutil/file.h
index a7364fe..1cae295 100644
--- a/libavutil/file.h
+++ b/libavutil/file.h
@@ -55,7 +55,8 @@ void av_file_unmap(uint8_t *bufptr, size_t size);
  * Wrapper to work around the lack of mkstemp() on mingw.
  * Also, tries to create file in /tmp first, if possible.
  * *prefix can be a character constant; *filename will be allocated internally.
- * @return file descriptor of opened file (or -1 on error)
+ * @return file descriptor of opened file (or negative value corresponding to an
+ * AVERROR code on error)
  * and opened file name in **filename.
  * @note On very old libcs it is necessary to set a secure umask before
  *       calling this, av_tempfile() can't call umask itself as it is used in