lavf/avformat: add av_warn_unused_result to avformat_write_header

May be useful as a defense, see e.g c62d1780ff. Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
9 years ago · fc5e39544b
parent 879b4a9d3e
commit fc5e39544b
1 changed files with 1 additions and 0 deletions
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@ -2283,6 +2283,7 @@ void avformat_close_input(AVFormatContext **s);
 *
 * @see av_opt_find, av_dict_set, avio_open, av_oformat_next.
 */
+av_warn_unused_result
 int avformat_write_header(AVFormatContext *s, AVDictionary **options);

 /**