[FFmpeg-devel] [PATCH] Fix potential av_find_opt() crash if context is NULL
Sun Nov 9 19:16:25 CET 2008
Stefano Sabatini <stefano.sabatini-lala at poste.it> writes:
> On date Sunday 2008-11-09 16:29:21 +0100, Michael Niedermayer encoded:
>> On Sun, Nov 09, 2008 at 03:44:43PM +0100, Stefano Sabatini wrote:
>> > Currently sws_opts is declared as extern in cmdutils.h and defined in
>> > cmdutils.c, then used in the ff*.c tools, so the variable *does* exist
>> > semantically for every application, with or without
>> it does not exist _semantically_ in the sense that 0 has no logarithm.
> Uh, pretty weird definition of semantical existence ;-).
The variable may exist syntactically, but that does not imply that it
has any semantical meaning. Just like the logarithm of 0.
mans at mansr.com
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