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Date:	Tue, 04 Dec 2012 22:25:15 +0200
From:	Eli Zaretskii <eliz AT gnu DOT org>
Subject:	Re: src/debug/fsdb/fullscr.c r1.12
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To:	Ozkan Sezer <sezeroz AT gmail DOT com>
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> Date: Tue, 4 Dec 2012 22:11:30 +0200
> From: Ozkan Sezer <sezeroz AT gmail DOT com>
> 
> > Why is it better to do this:
> >
> > 			    inst = unassemble_proper (j, &len);
> > 			    (void) inst; /* set, but not used. */
> >
> > instead of this:
> >
> > 			    unassemble_proper (j, &len);
> >
> > Is it "verboten" to discard the return value of a function, for some
> > reason?  Some exciting new "feature" of the latest GCC versions or
> > something?
> >
> 
> I kept the unused var only because it is referenced in the if 0'ed
> out block. Otherwise, yours is just fine too. If your version is to
> be preferred, then it is advisable to remove that if 0'ed out block
> as well.

IMO, if we want to ignore the return value, let's do that in the most
natural way, which is not assign it to any variable.  Like we do with
printf, for example, when we don't need its return value.

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