From: Olivier Galibert <galibert@pobox.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
git@vger.kernel.org, Mark Wooding <mdw@distorted.org.uk>
Subject: Re: [PATCH] Trivial warning fix for imap-send.c
Date: Mon, 13 Mar 2006 17:37:07 +0100 [thread overview]
Message-ID: <20060313163707.GB87487@dspnet.fr.eu.org> (raw)
In-Reply-To: <44151330.7020905@zytor.com>
On Sun, Mar 12, 2006 at 10:37:36PM -0800, H. Peter Anvin wrote:
> On "real" machines, the biggest reason you'd care is that a lot of
> compilers, *especially* in C++ mode, really still define NULL as "0";
> ostensibly because defining it as "((void *)0)" breaks some obscure C++
> casting rule.
Not obscure, just a religious issue. Somehow in the creation of the
C++ standard the definition of void * got changed from "generic
pointer" to something else I've been unable to fathom. That
definition, whatever it is, justifies forbidding implicit casts from
void * to anything else. Some of the priests of the new definition
consider the existence in C of a usable generic pointer type to be a
failing of the language too.
OG.
next prev parent reply other threads:[~2006-03-13 16:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-11 19:29 [PATCH] Trivial warning fix for imap-send.c Art Haas
2006-03-12 10:44 ` Mark Wooding
2006-03-12 11:27 ` Junio C Hamano
2006-03-12 13:59 ` [PATCH] Use explicit pointers for execl...() sentinels Mark Wooding
2006-03-12 15:13 ` Timo Hirvonen
2006-03-12 17:32 ` Mark Wooding
2006-03-12 18:08 ` Timo Hirvonen
2006-03-13 3:31 ` Jeff King
2006-03-13 4:12 ` Horst von Brand
2006-03-14 0:42 ` [OT] " Jeff King
2006-03-12 16:57 ` [PATCH] Trivial warning fix for imap-send.c Linus Torvalds
2006-03-12 18:01 ` Mark Wooding
2006-03-12 19:20 ` A Large Angry SCM
2006-03-13 2:59 ` H. Peter Anvin
2006-03-13 4:36 ` A Large Angry SCM
2006-03-13 5:22 ` Linus Torvalds
2006-03-13 6:37 ` H. Peter Anvin
2006-03-13 6:46 ` Linus Torvalds
2006-03-13 16:37 ` Olivier Galibert [this message]
2006-03-13 3:38 ` Jeff King
2006-03-13 4:14 ` Horst von Brand
2006-03-13 16:26 ` Linus Torvalds
2006-03-13 6:41 ` H. Peter Anvin
2006-03-12 21:51 ` Horst von Brand
2006-03-12 23:02 ` Linus Torvalds
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