From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#18013: 24.3.92; Infloop in re_search_2 Date: Mon, 14 Jul 2014 12:06:55 +0200 Message-ID: References: <87oaws9sp2.fsf@geodiff-mac3.ulb.ac.be> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1405332510 11895 80.91.229.3 (14 Jul 2014 10:08:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 14 Jul 2014 10:08:30 +0000 (UTC) Cc: 18013@debbugs.gnu.org To: Nicolas Richard Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jul 14 12:08:23 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1X6dBG-0006nb-GY for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Jul 2014 12:08:22 +0200 Original-Received: from localhost ([::1]:55611 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6dBD-00045B-Tu for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Jul 2014 06:08:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49716) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6dB2-0003tj-E2 for bug-gnu-emacs@gnu.org; Mon, 14 Jul 2014 06:08:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X6dAw-0002cg-QU for bug-gnu-emacs@gnu.org; Mon, 14 Jul 2014 06:08:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:58938) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6dAw-0002cV-N7 for bug-gnu-emacs@gnu.org; Mon, 14 Jul 2014 06:08:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X6dAw-0004C4-6m for bug-gnu-emacs@gnu.org; Mon, 14 Jul 2014 06:08:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 14 Jul 2014 10:08:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18013 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18013-submit@debbugs.gnu.org id=B18013.140533242716038 (code B ref 18013); Mon, 14 Jul 2014 10:08:02 +0000 Original-Received: (at 18013) by debbugs.gnu.org; 14 Jul 2014 10:07:07 +0000 Original-Received: from localhost ([127.0.0.1]:54204 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X6d9z-0004AY-I0 for submit@debbugs.gnu.org; Mon, 14 Jul 2014 06:07:07 -0400 Original-Received: from cantor2.suse.de ([195.135.220.15]:35694 helo=mx2.suse.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X6d9t-0004A4-Lx for 18013@debbugs.gnu.org; Mon, 14 Jul 2014 06:07:01 -0400 Original-Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 95E56AB5D; Mon, 14 Jul 2014 10:06:56 +0000 (UTC) X-Yow: Yow! Is this sexual intercourse yet?? Is it, huh, is it?? In-Reply-To: <87oaws9sp2.fsf@geodiff-mac3.ulb.ac.be> (Nicolas Richard's message of "Mon, 14 Jul 2014 11:48:41 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:91526 Archived-At: Nicolas Richard writes: > I'll admit that (looking-back "[^\n]") is not exactly the canonical way > to test for (not (bolp)), but should it make an infloop ? I can't > reproduce though. I don't think it infloops, it just takes a very long time. Since this is running in a process filter interrupts are disabled, so you have to be extra careful with what you do here. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."