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.bugs Subject: bug#12440: 24.2; process-send-string only sends 4K for long strings Date: Mon, 07 Oct 2019 19:45:11 +0300 Message-ID: <83lftwzeqw.fsf@gnu.org> References: <6xzk4tvuof.fsf@blau.inf.tu-dresden.de> <87ftk47gkb.fsf@gnus.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="89138"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 12440@debbugs.gnu.org, tews@os.inf.tu-dresden.de To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 07 18:46:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1iHW9E-000N59-09 for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 Oct 2019 18:46:12 +0200 Original-Received: from localhost ([::1]:47724 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHW9C-0007AU-NJ for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 Oct 2019 12:46:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34124) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHW95-0007AJ-6S for bug-gnu-emacs@gnu.org; Mon, 07 Oct 2019 12:46:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHW94-0001jb-9C for bug-gnu-emacs@gnu.org; Mon, 07 Oct 2019 12:46:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40206) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iHW94-0001jX-5X for bug-gnu-emacs@gnu.org; Mon, 07 Oct 2019 12:46:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iHW94-0001Bi-1U for bug-gnu-emacs@gnu.org; Mon, 07 Oct 2019 12:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 07 Oct 2019 16:46:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12440 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: confirmed Original-Received: via spool by 12440-submit@debbugs.gnu.org id=B12440.15704667254508 (code B ref 12440); Mon, 07 Oct 2019 16:46:01 +0000 Original-Received: (at 12440) by debbugs.gnu.org; 7 Oct 2019 16:45:25 +0000 Original-Received: from localhost ([127.0.0.1]:49027 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHW8S-0001Ac-RZ for submit@debbugs.gnu.org; Mon, 07 Oct 2019 12:45:25 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:53232) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHW8R-0001AN-20 for 12440@debbugs.gnu.org; Mon, 07 Oct 2019 12:45:23 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53883) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iHW8L-0001XS-9y; Mon, 07 Oct 2019 12:45:17 -0400 Original-Received: from [176.228.60.248] (port=2898 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iHW8K-0007hu-Di; Mon, 07 Oct 2019 12:45:17 -0400 In-reply-to: <87ftk47gkb.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon, 07 Oct 2019 16:53:24 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:168559 Archived-At: > From: Lars Ingebrigtsen > Date: Mon, 07 Oct 2019 16:53:24 +0200 > Cc: 12440@debbugs.gnu.org > > Hendrik Tews writes: > > > in Emacs 24.2, the following code > > > > (let* ((process-connection-type t) > > (process (start-process "cat" (current-buffer) "cat"))) > > (process-send-string process (format "%s\n" (make-string 6000 ?a)))) > > > > inserts only 4095 characters in the current buffer. Setting > > process-connection-type to nil will insert all characters. > > I can confirm that this bug is still present in Emacs 27. > > It's odd that this doesn't cause more problems than it does in practice, > but I guess it's rare that we talk to processes this way. IMO, when a Lisp program intends to communicate with a subprocess this way, it should indeed set process-connect-type to nil. It makes no sense to me to use PTYs to communicate massive amounts of data in batch-like manner.