From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#44320: [PATH] [27.1] Make sure send-string-to-terminal send all contents Date: Mon, 02 Nov 2020 20:35:57 +0200 Message-ID: <83o8kfd2sy.fsf@gnu.org> References: <5f9b49e9.1c69fb81.72b0f.80d6@mx.google.com> <83ft5wb0jz.fsf@gnu.org> <87mu03j3cv.fsf@gnus.org> <83v9eralri.fsf@gnu.org> <0EA6FC59-A66D-45B8-8B09-62D6A9032FBC@hxcore.ol> <83eelbepw3.fsf@gnu.org> <877dr321ya.fsf@igel.home> <83wnz3d9bz.fsf@gnu.org> <87361r1zjf.fsf@igel.home> <83v9end6s1.fsf@gnu.org> <87y2jjzmnq.fsf@igel.home> <83r1pbd4ia.fsf@gnu.org> <87lffjzlfr.fsf@igel.home> <83pn4vd3vf.fsf@gnu.org> <87h7q7zkiq.fsf@igel.home> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22211"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, sunlin7@yahoo.com, 44320@debbugs.gnu.org, lin.sun@zoom.us To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Nov 02 19:38:28 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1kZeiq-0005fB-LJ for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 02 Nov 2020 19:38:28 +0100 Original-Received: from localhost ([::1]:54822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kZeip-0002Jo-N0 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 02 Nov 2020 13:38:27 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44852) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kZehS-0001NW-DF for bug-gnu-emacs@gnu.org; Mon, 02 Nov 2020 13:37:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59275) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kZehS-0000XT-3a for bug-gnu-emacs@gnu.org; Mon, 02 Nov 2020 13:37:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kZehR-0003kA-WB for bug-gnu-emacs@gnu.org; Mon, 02 Nov 2020 13:37:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 02 Nov 2020 18:37:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44320 X-GNU-PR-Package: emacs Original-Received: via spool by 44320-submit@debbugs.gnu.org id=B44320.160434218414348 (code B ref 44320); Mon, 02 Nov 2020 18:37:01 +0000 Original-Received: (at 44320) by debbugs.gnu.org; 2 Nov 2020 18:36:24 +0000 Original-Received: from localhost ([127.0.0.1]:42588 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kZegp-0003jM-VY for submit@debbugs.gnu.org; Mon, 02 Nov 2020 13:36:24 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44640) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kZego-0003j9-N5 for 44320@debbugs.gnu.org; Mon, 02 Nov 2020 13:36:23 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:52609) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kZegi-0000Tf-Bt; Mon, 02 Nov 2020 13:36:16 -0500 Original-Received: from [176.228.60.248] (port=4539 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kZegb-0001HD-KI; Mon, 02 Nov 2020 13:36:15 -0500 In-Reply-To: <87h7q7zkiq.fsf@igel.home> (message from Andreas Schwab on Mon, 02 Nov 2020 19:22:21 +0100) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:192566 Archived-At: > From: Andreas Schwab > Cc: lin.sun@zoom.us, larsi@gnus.org, sunlin7@yahoo.com, > 44320@debbugs.gnu.org > Date: Mon, 02 Nov 2020 19:22:21 +0100 > > On Nov 02 2020, Eli Zaretskii wrote: > > > But that means 'fwrite' could return zero, if its very first call to > > 'write' got interrupted, no? > > No. When an error occurs, it returns EOF. Is EINTR considered an error for this purpose? If not, what exactly is considered an error? I don't see this clearly documented, so it could be something we cannot rely on. In fact, I don't even see in portable documentation that it will return EOF upon errors, I only see that the error indication for the stream shall be set and errno shall be set. In short, it sounds like calling fwrite in a loop will only work by sheer luck.