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From: Wichert Akkerman <wichert@wiggy.net>
To: linux-kernel@vger.kernel.org
Subject: Re: {put,get}_user() side effects
Date: Tue, 6 Apr 2004 14:17:01 +0200	[thread overview]
Message-ID: <20040406121701.GG3611@wiggy.net> (raw)
In-Reply-To: <1081252228.8318.1.camel@speedy.priv.grenoble.com>

Previously Xavier Bestel wrote:
> Using ptr three times in a define has side effects if ptr is an
> expression with side effects (e.g. "p++").

As I understand it both typeof and sizeof don't evalutate their argument
but only look at its type. Which means using p++ is perfectly safe.

Wichert.

-- 
Wichert Akkerman <wichert@wiggy.net>    It is simple to make things.
http://www.wiggy.net/                   It is hard to make things simple.


  reply	other threads:[~2004-04-06 12:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1HVGV-1Wl-21@gated-at.bofh.it>
2004-04-06 11:32 ` {put,get}_user() side effects Andi Kleen
2004-04-06 11:46   ` Geert Uytterhoeven
2004-04-06 20:53     ` Horst von Brand
2004-04-06 22:53       ` Andreas Schwab
2004-04-06 11:50   ` Xavier Bestel
2004-04-06 12:17     ` Wichert Akkerman [this message]
2004-04-06 14:28   ` Xavier Bestel
2004-04-06 15:30     ` Kevin P. Fleming
2004-04-06 15:47       ` Xavier Bestel
2004-04-06 10:03 Geert Uytterhoeven
2004-04-06 10:10 ` Russell King

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