Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263696AbTIHWOP (ORCPT ); Mon, 8 Sep 2003 18:14:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263697AbTIHWOP (ORCPT ); Mon, 8 Sep 2003 18:14:15 -0400 Received: from aneto.able.es ([212.97.163.22]:64663 "EHLO aneto.able.es") by vger.kernel.org with ESMTP id S263696AbTIHWOL (ORCPT ); Mon, 8 Sep 2003 18:14:11 -0400 Date: Tue, 9 Sep 2003 00:13:59 +0200 From: "J.A. Magallon" To: Andreas Schwab Cc: Alan Cox , Rolf Eike Beer , Linux Kernel Mailing List Subject: Re: [2.4.23-pre3] Possible bug in fs/buffer.c Message-ID: <20030908221359.GA2376@werewolf.able.es> References: <200309081715.09657@bilbo.math.uni-mannheim.de> <1063036721.21084.55.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: 7BIT In-Reply-To: ; from schwab@suse.de on Mon, Sep 08, 2003 at 18:04:45 +0200 X-Mailer: Balsa 2.0.14 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1056 Lines: 22 On 09.08, Andreas Schwab wrote: > Alan Cox writes: > > > On Llu, 2003-09-08 at 16:42, Andreas Schwab wrote: > >> It's neither ugly, nor bogus. The only 100% reliable way to assign the > >> maximum value to an unsigned integer is to use -1. > > > > Its not 100% reliable either 8). > > Could you please elaborate? Casting -1 to an unsigned type is guaranteed > to yield the maximum value for that type, at least since C89, but I think > even K&R C did get it right. > Would not be much cleaner to do use ~0UL ? -- J.A. Magallon \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.2 (Cooker) for i586 Linux 2.4.23-pre2-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-1mdk)) - 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/