linux-kernel - Re: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups

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Date:	Wed, 26 Mar 2008 12:58:53 +0100
From:	Jörn Engel <joern@...fs.org>
To:	David Miller <davem@...emloft.net>
Cc:	mingo@...e.hu, apw@...dowen.org, jirislaby@...il.com,
	viro@...IV.linux.org.uk, joe@...ches.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups - formatting only

On Wed, 26 March 2008 04:48:02 -0700, David Miller wrote:
> 
> > Do you have a non-consistency based reason to prefer the longer
> > version?
> 
> Inconstent spacing fools people's eyes and leads to bugs,
> more often than not.
> 
> After 15 years of kernel development, I can remember at
> least 10 or so multi-week-debugging sessions that could
> have been curtailed had I not mis-read a poorly spaced
> C statement.
> 
> It matters in practical terms, not just consistency terms,
> trust me.

Sure, I buy that.  What I'm arguing here is why we have to be
consistently long instead of consistently short.  CodingStyle seems to
be silent on the question.  And a quick grep shows that while being in
the minority, I seem to be in a sizeable minority:
joern@...lin:/usr/src/kernel/logfs$ sgrep ' \*)' .|wc
  51687  346050 4213259
joern@...lin:/usr/src/kernel/logfs$ sgrep '[^ ]\*)' .|wc
  5838   33165  472462

What is the reason why (void *)foo is better than (void*)foo?  Just that
fact that by random chance one them them became more common in our
codebase and the minority always has to give in?

Jörn

-- 
A victorious army first wins and then seeks battle.
-- Sun Tzu
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