From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-return-103225-listarch-gcc=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 29066 invoked by alias); 24 Sep 2004 08:27:42 -0000
Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc/>
List-Post: <mailto:gcc@gcc.gnu.org>
List-Help: <http://gcc.gnu.org/ml/>
Sender: gcc-owner@gcc.gnu.org
Received: (qmail 29054 invoked from network); 24 Sep 2004 08:27:41 -0000
Received: from unknown (HELO Cantor.suse.de) (195.135.220.2)
  by sourceware.org with SMTP; 24 Sep 2004 08:27:41 -0000
Received: from hermes.suse.de (hermes-ext.suse.de [195.135.221.8])
	(using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits))
	(No client certificate requested)
	by Cantor.suse.de (Postfix) with ESMTP id 15576C61C8C;
	Fri, 24 Sep 2004 10:27:41 +0200 (CEST)
To: "Giovanni Bajo" <giovannibajo@libero.it>
Cc: <gcc@gcc.gnu.org>
Subject: Re: attribute data structure rewrite
References: <FA388EC7-0DBB-11D9-8B78-000A95B1F520@apple.com>
	<m3vfe4pk6k.fsf@merlin.cs.tamu.edu>
	<006d01c4a1dd$ffc60b70$dc4e2a97@bagio> <jemzzgm5tt.fsf@sykes.suse.de>
From: Andreas Schwab <schwab@suse.de>
X-Yow: I want EARS!  I want two ROUND BLACK EARS to make me feel warm 'n
 secure!!
Date: Fri, 24 Sep 2004 08:40:00 -0000
In-Reply-To: <jemzzgm5tt.fsf@sykes.suse.de> (Andreas Schwab's message of
 "Fri, 24 Sep 2004 10:25:34 +0200")
Message-ID: <jeisa4m5qb.fsf@sykes.suse.de>
User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-SW-Source: 2004-09/txt/msg01412.txt.bz2

Andreas Schwab <schwab@suse.de> writes:

> "Giovanni Bajo" <giovannibajo@libero.it> writes:
>
>> Anothing thing I have been shown today is that we currently reject this:
>>
>> ----------------------------------------
>> #include <stddef.h>
>> #include <stdio.h>
>>
>> struct A { char foo[10]; };
>>
>> void bar(void) {
>>     int i;
>>     for (i=0;i<10;i++)
>>         printf("%d\n", offsetof(struct A, foo[i]));
>> }
>> --------------------------------------
>>
>> but we used to accept it.  Any idea about its legality? Workarounds?
>
> offsetof (struct A, foo[0]) + i * sizeof (foo[0])

Of course, that doesn't compile either, but you get the idea. :-)

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."