From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) by sourceware.org (Postfix) with ESMTPS id 18CB23858C54; Thu, 31 Mar 2022 14:44:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 18CB23858C54 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4KTmKg1bB5z1qy4Y; Thu, 31 Mar 2022 16:44:39 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4KTmKg1FdPz1qqkG; Thu, 31 Mar 2022 16:44:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id bphN16j9kc_x; Thu, 31 Mar 2022 16:44:38 +0200 (CEST) X-Auth-Info: ZXJYpmctZq5Pz0bI291t6hBSW7bPkWcsSNkQbpQnET7SxWori3qBTnVaIG3Leyyi Received: from igel.home (ppp-46-244-178-206.dynamic.mnet-online.de [46.244.178.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Thu, 31 Mar 2022 16:44:38 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 058D92C362D; Thu, 31 Mar 2022 16:44:37 +0200 (CEST) From: Andreas Schwab To: Siddhesh Poyarekar via Libc-alpha Cc: Siddhesh Poyarekar , Iker Pedrosa Subject: Re: [PATCH v1.1] realpath: Bring back GNU extension on ENOENT and EACCES [BZ #28996] References: <20220330043502.74482-1-siddhesh@sourceware.org> X-Yow: My TOYOTA is built like a ... BAGEL with CREAM CHEESE!! Date: Thu, 31 Mar 2022 16:44:37 +0200 In-Reply-To: <20220330043502.74482-1-siddhesh@sourceware.org> (Siddhesh Poyarekar via Libc-alpha's message of "Wed, 30 Mar 2022 10:05:02 +0530") Message-ID: <87ee2iw59m.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Mar 2022 14:44:42 -0000 On Mär 30 2022, Siddhesh Poyarekar via Libc-alpha wrote: > The GNU extension for realpath states that if the path resolution fails > with ENOENT or EACCES and the resolved buffer is non-NULL, it will > contain part of the path that failed resolution. > > commit 949ad78a189194048df8a253bb31d1d11d919044 broke this when it > omitted the copy on failure. Bring it back partially to continue > supporting this GNU extension. Ok. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."