[FFmpeg-devel] [PATCH 1/2] libwebpenc_animencoder: zero initialize the WebPAnimEncoderOptions struct

[wm4]

On Thu, 17 Mar 2016 01:03:49 -0300
James Almer <jamrial at gmail.com> wrote:

> This zeroes the WebPAnimEncoderOptions.verbose field, silencing library info messages
> printed to stderr.
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libavcodec/libwebpenc_animencoder.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/libwebpenc_animencoder.c b/libavcodec/libwebpenc_animencoder.c
> index d7437a9..35c456a 100644
> --- a/libavcodec/libwebpenc_animencoder.c
> +++ b/libavcodec/libwebpenc_animencoder.c
> @@ -41,7 +41,7 @@ static av_cold int libwebp_anim_encode_init(AVCodecContext *avctx)
>      int ret = ff_libwebp_encode_init_common(avctx);
>      if (!ret) {
>          LibWebPAnimContext *s = avctx->priv_data;
> -        WebPAnimEncoderOptions enc_options;
> +        WebPAnimEncoderOptions enc_options = { 0 };
>          WebPAnimEncoderOptionsInit(&enc_options);
>          // TODO(urvang): Expose some options on command-line perhaps.
>          s->enc = WebPAnimEncoderNew(avctx->width, avctx->height, &enc_options);

Does this mean it was reading uninitialized values from the stack?