[FFmpeg-devel] [PATCH 3/3] Make opt_default(), return an error code rather than exit from the program.

Michael Niedermayer michaelni
Sun Nov 7 01:04:49 CET 2010

On Sun, Nov 07, 2010 at 12:53:35AM +0100, Stefano Sabatini wrote:
> On date Sunday 2010-11-07 00:38:48 +0100, Michael Niedermayer encoded:
> > On Sat, Nov 06, 2010 at 03:02:57PM +0100, Stefano Sabatini wrote:
> > > This allows the program to nicely handle the error, for example
> > > providing detailed error explanation to the user or cleaning up the
> > > allocated resources of the program.
> > 
> > there is plenty of code that does not check its return value
> > and i dont think adding checks everywhere is a good idea
> In general returning meaningful values *is* a good idea, but I'm
> not going to add them to all the FFmpeg codebase, but *this patch* is
> required by the previous patches in this series, to make ffmpeg prints
> something useful after opt_default() is called, rather than just
> abort.

grep for opt_default and you will see there are alot of cases where the
return value is not checked and not exiting anymore will lead to actual

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Republics decline into democracies and democracies degenerate into
despotisms. -- Aristotle
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