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Date:      Fri, 17 May 2002 11:03:41 +0000
From:      "J. Mallett" <jmallett@FreeBSD.ORG>
To:        Brian Somers <brian@Awfulhak.org>
Cc:        Mike Barcroft <mike@FreeBSD.org>, "J. Mallett" <jmallett@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/usr.bin/tee tee.c
Message-ID:  <20020517110339.GB9781@FreeBSD.ORG>
In-Reply-To: <200205171041.g4HAfGWs090869@hak.lan.Awfulhak.org>
References:  <20020516231106.G66219@espresso.q9media.com> <200205171041.g4HAfGWs090869@hak.lan.Awfulhak.org>

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On Fri, May 17, 2002 at 11:41:16AM +0100, Brian Somers wrote:
> > J. Mallett <jmallett@FreeBSD.org> writes:
> > > jmallett    2002/05/16 19:28:47 PDT
> > > 
> > >   Modified files:
> > >     usr.bin/tee          tee.c 
> > >   Log:
> > >   Remove spurious casts in malloc(3)'s argument.
> > 
> > Okay.
> > 
> > >   Use `return' instead of `exit' at the bottom of main().
> > 
> > This part is wrong.  The usual style for BSD software is to identify
> > exit points with explicit exit() calls.
> 
> I think this has been discussed a number of times on the lists.  No 
> decision was made either way.  style(9) says nothing about it.
> 
> Personally I prefer return because of the C++ implications, but 
> that's a weak argument.  I suspect the sysinstall crunch stuff 
> prefers return too (but that's a guess).
> 
> So the ``wrongness'' was in changing exit to return, not the use of 
> either.  It's up to the individual which they use, but people 
> shouldn't change from one to the other without a good reason.

So control of the main() function doesn't end without a return as the
compiler thinks because it doesn't realise exit() eats program flow.

Still though, I can back it out.
-- 
jmallett@FreeBSD.org   | C, MIPS, POSIX, UNIX, BSD, IRC Geek.
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