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From: WANG Cong <xiyou.wangcong@gmail.com>
To: Benny Halevy <bhalevy@panasas.com>
Cc: "Ming Lei" <tom.leiming@gmail.com>,
	"Jan Engelhardt" <jengelh@computergmbh.de>,
	"\"J.A. Magallón\"" <jamagallon@ono.com>,
	"Linux-Kernel," <linux-kernel@vger.kernel.org>
Subject: Re: void* arithmnetic
Date: Thu, 29 Nov 2007 20:31:39 +0800	[thread overview]
Message-ID: <20071129123139.GB2458@hacking> (raw)
In-Reply-To: <474E6C86.8090209@panasas.com>

On Thu, Nov 29, 2007 at 09:38:46AM +0200, Benny Halevy wrote:
>On Nov. 29, 2007, 3:19 +0200, "Ming Lei" <tom.leiming@gmail.com> wrote:
>> 2007/11/29, Jan Engelhardt <jengelh@computergmbh.de>:
>>> On Nov 29 2007 01:05, J.A. Magallón wrote:
>>>> Since begin of the ages the build of the nvidia driver says things like
>>>> this:
>>>>
>>> Explicitly adding -Wpointer-arith to ones own Makefile is like
>>> admitting the code might be problematic. :->
>>>
>>>
>>> I think sizeof(void *) == 1 is taken as granted as sizeof(int) >= 4
>>> these days. Sigh.
>> sizeof(void *) == 4, sizeof(void)==1, :)
>well, sizeof(void *) == sizeof(unsigned long) maybe :)

I *heard* that on Win64 sizeof(void *) > sizeof(long). But it's off-topic
here. ;-)



  reply	other threads:[~2007-11-29 12:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-29  0:05 void* arithmnetic J.A. Magallón
2007-11-29  0:22 ` Arnaldo Carvalho de Melo
2007-11-29  0:39 ` Jan Engelhardt
2007-11-29  1:19   ` Ming Lei
2007-11-29  7:38     ` Benny Halevy
2007-11-29 12:31       ` WANG Cong [this message]
2007-11-30 11:38         ` Geert Uytterhoeven

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