[FFmpeg-devel] [PATCH 1/3] avformat/fifo: assert on disallowed message type and state combinations

[Marton Balint]

On Thu, 9 Feb 2017, Marton Balint wrote:

> Fixes Coverity CID 1396277.
>
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
> libavformat/fifo.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/fifo.c b/libavformat/fifo.c
> index 8f525e5..2cbe5c5 100644
> --- a/libavformat/fifo.c
> +++ b/libavformat/fifo.c
> @@ -19,6 +19,7 @@
>  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>  */
> 
> +#include "libavutil/avassert.h"
> #include "libavutil/opt.h"
> #include "libavutil/time.h"
> #include "libavutil/thread.h"
> @@ -207,7 +208,7 @@ static int fifo_thread_write_trailer(FifoThreadContext *ctx)
> 
> static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg)
> {
> -    int ret;
> +    int ret = AVERROR(EINVAL);
>
>     if (!ctx->header_written) {
>         ret = fifo_thread_write_header(ctx);
> @@ -217,6 +218,7 @@ static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg
>
>     switch(msg->type) {
>     case FIFO_WRITE_HEADER:
> +        av_assert0(ret >= 0);
>         return ret;
>     case FIFO_WRITE_PACKET:
>         return fifo_thread_write_packet(ctx, &msg->pkt);
> @@ -224,6 +226,7 @@ static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg
>         return fifo_thread_flush_output(ctx);
>     }
> 
> +    av_assert0(0);
>     return AVERROR(EINVAL);
> }
>

Ping...

Thanks,
Marton