[FFmpeg-devel] [PATCH] qt-faststart: Remove unnecessary checks before calling free

[Uoti Urpala]

On Sat, 2010-05-01 at 12:34 +0100, M?ns Rullg?rd wrote:
> Alexander Strange <astrange at ithinksw.com> writes:
> 
> > On May 1, 2010, at 7:07 AM, M?ns Rullg?rd wrote:
> >
> >> Martin Storsj? <martin at martin.st> writes:
> >> 
> >>> On Fri, 30 Apr 2010, Frank Barchard wrote:
> >>> 
> >>>> On Fri, Apr 30, 2010 at 11:16 AM, Baptiste Coudurier <
> >>>> baptiste.coudurier at gmail.com> wrote:
> >>>>> Well I'd be ok, but I thought there were some systems that would
> >>>>> not handle free(NULL) out there.
> >>>> 
> >>>> 
> >>>> Agreed.
> >>> 
> >>> Hmm, ok. Out of curiosity, what systems do we support where free(NULL) 
> >>> isn't ok?
> >> 
> >> None.  I have never seen such a system.  They are a myth perpetrated
> >> by people who like justifying extraneous if statements.
> >
> > C99 requires free(NULL) to work.
> 
> Knowing that, I assumed we were talking about not-quite-C99 systems,
> of which there are many, yet even amongst these I have not seen one
> where free(NULL) does not work.

That was already required in C89.