From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: ai_flags in calls to getaddrinfo Date: Sat, 02 Jan 2021 06:40:09 +0100 Message-ID: <87lfdbaocm.fsf@gnus.org> References: <83sg7mggls.fsf@gnu.org> <87zh1sc486.fsf@gnus.org> <83r1n4g6sn.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9508"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jan 02 06:41:17 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kvZfB-0002Or-F3 for ged-emacs-devel@m.gmane-mx.org; Sat, 02 Jan 2021 06:41:17 +0100 Original-Received: from localhost ([::1]:50354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kvZfA-0001SJ-HS for ged-emacs-devel@m.gmane-mx.org; Sat, 02 Jan 2021 00:41:16 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60102) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvZeH-0000w8-L8 for emacs-devel@gnu.org; Sat, 02 Jan 2021 00:40:22 -0500 Original-Received: from quimby.gnus.org ([2a01:4f9:2b:f0f::2]:53552) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvZeC-0002Mv-C7; Sat, 02 Jan 2021 00:40:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=eLJKhIhaRf7KyPzCdu+3lfQcwmBcvxh15Qg+xDxh5NI=; b=ahJ+XdBQ9bOQG4/21aalwDSTdh FYndTLxlIC14pR545FECts/kzNXoML3rYCN+S8zp5L+UfRUAxX3MYN/xSbDjTHa/vnVrx2SVighqd Gce737XYb7rotrmTzeTid0+1G5cpJLEN8HLnKDEv+SCwb5gNKG1qCzPAMmqrYC17dTMg=; Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kvZe6-0006cy-D9; Sat, 02 Jan 2021 06:40:12 +0100 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAElBMVEXFmHT7+/vX1NS3 raOHW1v////nY4s6AAAAAWJLR0QF+G/pxwAAAAd0SU1FB+UBAgUgDIfNa8gAAAGlSURBVDjLrZRZ tuQgCIZTqWwAdAENZgHlsIA47H9NDZpUmTs89Dn9H1/CF0ABXZZ/1uPxWB/hLRY51UJ3QRciLvCL BkBmZGIgCXR6DWBCjNFHjCE652eP6ELwESK74IIYSAD6HspRjH1LLKHENsBXGQVQsLbaZnmjoQJB +yJCQwIQTGson60dfWVAK8AZgC3zXnBvy6YLgHcJZRDAEhnZ0LEssgqAZ92V7NSSnLuDRUGhfg5u 3motwgWweQWQUrYE6MoFTE0KTLbFyv/M5gS22qygJQGufHJY3bHkqFvbpUVvj5qOVy9J5T2Nlo5z 1xLTSB5faS5IfcbU+2Hdn9SDbFkKLhGe4dmBqROostZXHh1M2wWwlgL1aGdrTXp7PH2GWukEiHaA cmzHUQpeAPgEOax19YU/YF/OHDlKjhlcyWPxpvJ7rqTyx0huvGk8A1Ci5zAyCTegRD2adIY+I6r/ tGPLageeQB9GKZ/av3ko6SYzT/sYWZo+rhvF5x3j+40SIPOP1Bt5A6gW7GNHd49fLudPgL5Jg8o9 X9ewdk2vQ38Z/p/+Ahx1dyBmyh8EAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIxLTAxLTAyVDA1OjMy OjEyKzAwOjAwkPuzkQAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMS0wMS0wMlQwNTozMjoxMiswMDow MOGmCy0AAAAASUVORK5CYII= X-Now-Playing: Simple Minds's _Sparkle In The Rain_: "Street Hassle" In-Reply-To: <83r1n4g6sn.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 01 Jan 2021 14:50:32 +0200") Received-SPF: pass client-ip=2a01:4f9:2b:f0f::2; envelope-from=larsi@gnus.org; helo=quimby.gnus.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:262287 Archived-At: Eli Zaretskii writes: >> If they don't specify the protocol version, they get back either/both >> ipv6/ipv4 now (depending on the system), don't they? > > On that system, I get only the IPv4 address if I don't use AI_ALL and > AI_V4MAPPED. If I do use the two flags, I get both IPv4 and IPv6 > addresses. But the IPv6 addresses you get are presumably just the ipv4-remapped-to-ipv6 addresses? If so, that's another reason not to use AI_V4MAPPED -- Robin explained in another message how those aren't that useful. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no