Am Fr., 10. Mai 2019 um 18:13 Uhr schrieb Jun Zhao <mypopy...@gmail.com>:
>
> From: Jun Zhao <barryjz...@tencent.com>
>
> Need to check NULL before using the pointer
>
> Signed-off-by: Jun Zhao <barryjz...@tencent.com>
> ---
> libavcodec/avpacket.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
> index 8f0603d..2b20067 100644
> --- a/libavcodec/avpacket.c
> +++ b/libavcodec/avpacket.c
> @@ -522,11 +522,12 @@ fail:
>
> int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary
> **dict)
> {
> - const uint8_t *end = data + size;
> + const uint8_t *end;
> int ret = 0;
>
> if (!dict || !data || !size)
> return ret;
> + end = data + size;
Could somebody explain to me why this is necessary?
Thank you, Carl Eugen
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