Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756244AbXHOH3G (ORCPT ); Wed, 15 Aug 2007 03:29:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751834AbXHOH24 (ORCPT ); Wed, 15 Aug 2007 03:28:56 -0400 Received: from sovereign.computergmbh.de ([85.214.69.204]:59480 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751125AbXHOH2z (ORCPT ); Wed, 15 Aug 2007 03:28:55 -0400 Date: Wed, 15 Aug 2007 09:28:54 +0200 (CEST) From: Jan Engelhardt To: Jason Uhlenkott cc: Arjan van de Ven , Tim Bird , linux kernel Subject: Re: kfree(0) - ok? In-Reply-To: <20070814232107.GA4265@aurum.uhlenkott.net> Message-ID: References: <46C233CB.9000602@am.sony.com> <1187132149.2618.2.camel@laptopd505.fenrus.org> <20070814232107.GA4265@aurum.uhlenkott.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 645 Lines: 21 On Aug 14 2007 16:21, Jason Uhlenkott wrote: >On Tue, Aug 14, 2007 at 15:55:48 -0700, Arjan van de Ven wrote: >> NULL is not 0 though. > >It is. Its representation isn't guaranteed to be all-bits-zero, C guarantees that. >but the constant value 0 when used in pointer context is always a >null pointer (and in fact the standard requires that NULL be >#defined as 0 or a cast thereof). > Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/