From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 7B2133A64001 for ; Thu, 6 May 2021 09:19:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 7B2133A64001 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-601-hYWU2UyDPBmmVBqLkOBzmA-1; Thu, 06 May 2021 05:19:44 -0400 X-MC-Unique: hYWU2UyDPBmmVBqLkOBzmA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9ECF8189DF42; Thu, 6 May 2021 09:19:43 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-112-137.ams2.redhat.com [10.36.112.137]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6580460871; Thu, 6 May 2021 09:19:42 +0000 (UTC) From: Florian Weimer To: "JOSHI, RAHUL" Cc: "libc-help@sourceware.org" , "libc-alpha@sourceware.org" Subject: Re: Having TTL of resolved IP addresses in 'getaddrinfo' or 'getaddrinfo_a' References: <87a6p9h8vs.fsf@oldenburg.str.redhat.com> Date: Thu, 06 May 2021 11:20:00 +0200 In-Reply-To: (RAHUL JOSHI's message of "Thu, 6 May 2021 08:05:23 +0000") Message-ID: <87v97wi5hb.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-help@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-help mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2021 09:19:49 -0000 * RAHUL JOSHI: > Hi Weimer, is there any update on this?? > > https://code.woboq.org/userspace/glibc/sysdeps/posix/getaddrinfo.c.html#1068 -> here we need to allocate memory for TTL and access it by accessor function?? > > Thanks, > Rahul Probably, and maybe use some separate data structure to keep track of struct addrinfo pointer values for which the TTL field is actually available. Thanks, Florian