From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-4.2 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id B6B6F1F4B4 for ; Mon, 14 Dec 2020 22:17:07 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 754AA384B0C1; Mon, 14 Dec 2020 22:17:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 754AA384B0C1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1607984226; bh=PtsctSk2DsdMlvyHCCior3bDwJSSPrVhCHZxwglxzjE=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=Onn81KdOYh43E4FZRtMvAPYBu6UMCWbGCSDGXLfHybP8kACn6MxP49saL2synJK0s U6URJrDUD/3vzVnq2M6hZIeoMQUwU7C4eLArfH5lWnKHU5YDZ3KFxmnvkaq7YFURgv r0+fCqmXz2fXXoQ7lA+A7WHZKDAvQ7RBA7ZQTX1c= Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 2AC0A384B0C1 for ; Mon, 14 Dec 2020 22:17:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 2AC0A384B0C1 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-181-ph-c0gIKO6605nldkWCidw-1; Mon, 14 Dec 2020 17:17:00 -0500 X-MC-Unique: ph-c0gIKO6605nldkWCidw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B7A00801817; Mon, 14 Dec 2020 22:16:59 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-112-228.ams2.redhat.com [10.36.112.228]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 12E7B5D9DC; Mon, 14 Dec 2020 22:16:58 +0000 (UTC) To: Martin Sebor Subject: Re: [PATCH] add support for -Wmismatched-dealloc References: <74efece7-9a4b-83ee-7fdd-475c0d514378@gmail.com> <758e723b-67cf-a211-7bc2-2ccd3fc744e5@gmail.com> Date: Mon, 14 Dec 2020 23:16:57 +0100 In-Reply-To: <758e723b-67cf-a211-7bc2-2ccd3fc744e5@gmail.com> (Martin Sebor's message of "Mon, 14 Dec 2020 14:39:56 -0700") Message-ID: <87lfe09go6.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain 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: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: GNU C Library Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" * Martin Sebor: > Florian asked this morning if getaddrinfo() and freeaddrinfo() are > covered by this change. They're not because getaddrinfo() returns > the allocated memory indirectly, via an argument. To handle those > kinds of APIs that return a pointer to the allocated object > indirectly, through an argument, the attribute will need to be > enhanced somehow. asprintf is another such function, perhaps slightly more commonly used. It would be nice if this interface pattern could be covered as well. Thanks, Florian -- Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'Neill