From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: `message' not outputting the newline "atomically" Date: Tue, 02 Jul 2019 05:28:40 +0300 Message-ID: <83lfxhdvaf.fsf@gnu.org> References: <07619925-e367-fb88-2dd8-27addb2e9052@grinta.net> <68b398b1-3790-b32f-535d-6ea2518f79b8@cs.ucla.edu> <83r27hlkix.fsf@gnu.org> <1d550142-8d66-485b-6796-981351718b53@cs.ucla.edu> <83blykjijy.fsf@gnu.org> <65c60a70-311d-bf9f-b509-d3dd80ddc511@cs.ucla.edu> <83a7e4jh5d.fsf@gnu.org> <838stnkb7y.fsf@gnu.org> <42f4e8e2-c3c6-be09-6b53-3b7b17c1302d@grinta.net> <83woh1es3x.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="211709"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel@gnu.org To: Daniele Nicolodi Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jul 02 05:53:04 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hi9qo-000stE-IA for ged-emacs-devel@m.gmane.org; Tue, 02 Jul 2019 05:53:02 +0200 Original-Received: from localhost ([::1]:48236 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hi9qn-0002fb-Gq for ged-emacs-devel@m.gmane.org; Mon, 01 Jul 2019 23:53:01 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49932) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hi8XQ-0008O3-SX for emacs-devel@gnu.org; Mon, 01 Jul 2019 22:28:57 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:39756) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hi8XQ-0002YL-OB; Mon, 01 Jul 2019 22:28:56 -0400 Original-Received: from [176.228.60.248] (port=4345 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hi8XP-0000d0-Cp; Mon, 01 Jul 2019 22:28:56 -0400 In-reply-to: (message from Daniele Nicolodi on Mon, 1 Jul 2019 19:01:18 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:238282 Archived-At: > From: Daniele Nicolodi > Date: Mon, 1 Jul 2019 19:01:18 +0200 > > I think you didn't understand my point, and your selective quoting makes > me thing you are trying to warp what i wrote in your favor. I was > arguing that in the case of a fprintf() with a format string that ends > in a new line there is no way to obtain a partial output, with stderr > unbuffered or line buffered. On any sane implementation of the c library > Either you will get it all or nothing. And I was saying that this is wrong. With unbuffered stderr, you _can_ obtain partial output.