[FFmpeg-devel] [PATCH 04/10] lavf: fix usages of av_get_codec_tag_string()
Clément Bœsch
u at pkh.me
Mon Mar 27 18:43:50 EEST 2017
On Mon, Mar 27, 2017 at 05:07:34PM +0200, Nicolas George wrote:
> Le septidi 7 germinal, an CCXXV, Clement Boesch a écrit :
> > No, I can't do that, av_4cc2str() creates a temporary anonymous buffer
> > with a reduced lifetime. It can only live within the function call.
>
> I believe you are mistaken:
>
> # it has automatic storage duration associated with the enclosing block.
>
> (6.5.2.5 Compound literals, #6)
>
> It would be inconsistent otherwise: the compound literal would exist in
> the call to make_string() but disappear before the call to printf().
>
Ah, I stand corrected. Alright, will adjust the code. Thanks.
--
Clément B.
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