[FFmpeg-devel] [PATCH 1/6] avutil/common: use unsigned int in GET_UTF8

Paul B Mahol onemda at gmail.com
Thu Jan 30 12:41:01 EET 2020


bug in commit message, otherwise lgtm

On 1/30/20, Marton Balint <cus at passwd.hu> wrote:
> Right shift of signed value is impelentation defined.
>
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>  libavutil/common.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavutil/common.h b/libavutil/common.h
> index f09f0b486b..5568754bb9 100644
> --- a/libavutil/common.h
> +++ b/libavutil/common.h
> @@ -389,7 +389,7 @@ static av_always_inline av_const int
> av_parity_c(uint32_t v)
>          if ((val & 0xc0) == 0x80 || val >= 0xFE)\
>              ERROR\
>          while (val & top) {\
> -            int tmp= (GET_BYTE) - 128;\
> +            unsigned int tmp = (GET_BYTE) - 128;\
>              if(tmp>>6)\
>                  ERROR\
>              val= (val<<6) + tmp;\
> --
> 2.16.4
>
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