[FFmpeg-devel] [PATCH 1/7] avcodec/assenc: Use size_t for length of string

[Andreas Rheinhardt]

Andreas Rheinhardt:
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> ---
>  libavcodec/assenc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/assenc.c b/libavcodec/assenc.c
> index e548b9fd3b..e734522729 100644
> --- a/libavcodec/assenc.c
> +++ b/libavcodec/assenc.c
> @@ -45,7 +45,7 @@ static int ass_encode_frame(AVCodecContext *avctx,
>                              unsigned char *buf, int bufsize,
>                              const AVSubtitle *sub)
>  {
> -    int len;
> +    size_t len;
>  
>      if (sub->num_rects != 1) {
>          av_log(avctx, AV_LOG_ERROR, "Only one rect per AVSubtitle is supported in ASS.\n");
> @@ -59,7 +59,7 @@ static int ass_encode_frame(AVCodecContext *avctx,
>  
>      len = av_strlcpy(buf, sub->rects[0]->ass, bufsize);
>  
> -    if (len > bufsize - 1) {
> +    if (len >= bufsize) {
>          av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n");
>          return AVERROR_BUFFER_TOO_SMALL;
>      }

Will apply this patchset tomorrow unless there are objections.

- Andreas