Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757904AbYJXSZk (ORCPT ); Fri, 24 Oct 2008 14:25:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752667AbYJXSZb (ORCPT ); Fri, 24 Oct 2008 14:25:31 -0400 Received: from gw.goop.org ([64.81.55.164]:54061 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752729AbYJXSZa (ORCPT ); Fri, 24 Oct 2008 14:25:30 -0400 Message-ID: <49021319.4050302@goop.org> Date: Fri, 24 Oct 2008 11:25:29 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.17 (X11/20081009) MIME-Version: 1.0 To: Andreas Dilger CC: Theodore Tso , Andrew Morton , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH,RFC] ext3: Add support for non-native signed/unsigned htree hash algorithms References: <1224560624-9691-1-git-send-email-tytso@mit.edu> <1224560624-9691-2-git-send-email-tytso@mit.edu> <20081022172221.c1a8c5b5.akpm@linux-foundation.org> <20081023025646.GD10369@mit.edu> <20081023192618.GS3184@webber.adilger.int> In-Reply-To: <20081023192618.GS3184@webber.adilger.int> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 21 Andreas Dilger wrote: > >> Hmm..... is it considered safe to depend on the userspace limits.h >> header file? I guess if we trust that header file to be correct we >> could check the value of CHAR_MIN and/or CHAR_MAX as defined by >> limits.h. >> > > That would likely fail on cross-compiled environments, right? > /usr/include/limits.h uses #include_next to pick up gcc's private limits.h, so it should be safe to use in a kernel cross-build environment. (Picking up the compiler's limits.h directly would be better.) J -- 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/