linux-kernel - Re: [PATCH] use %p for pointers

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Message-ID: <jehcy9rbyr.fsf@sykes.suse.de>
Date:	Thu, 12 Oct 2006 13:49:00 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	Nikita Danilov <nikita@...sterfs.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>, torvalds@...l.org,
	linux-kernel@...r.kernel.org, Al Viro <viro@....linux.org.uk>
Subject: Re: [PATCH] use %p for pointers

Nikita Danilov <nikita@...sterfs.com> writes:

> man 3 printf:
>
>        p      The void * pointer argument is printed in hexadeci-
>               mal (as if by %#x or %#lx).
>
> so %p already has to output '0x',

That is an detail of this particular implementation.

> it's lib/vsprintf.c to blame for non-conforming behavior.

The standard makes it completely implementation defined.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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