From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#40000: 27.0.60; next-single-char-property-change hangs on bad argument Date: Mon, 13 Apr 2020 18:54:24 +0300 Message-ID: <83pncbidov.fsf@gnu.org> References: <87d08b333i.fsf@gmail.com> <83tv1niira.fsf@gnu.org> <878siz31ta.fsf@gmail.com> <83sgh7ihj2.fsf@gnu.org> <874ktn2yph.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="94030"; mail-complaints-to="usenet@ciao.gmane.io" Cc: casouri@gmail.com, 40000@debbugs.gnu.org To: Federico Tedin Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 13 17:55:10 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 1jO1QU-000OMX-3A for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 13 Apr 2020 17:55:10 +0200 Original-Received: from localhost ([::1]:45656 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jO1QT-000143-2b for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 13 Apr 2020 11:55:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57215) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jO1QM-00013i-N7 for bug-gnu-emacs@gnu.org; Mon, 13 Apr 2020 11:55:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jO1QL-0000MK-Qz for bug-gnu-emacs@gnu.org; Mon, 13 Apr 2020 11:55:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48991) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jO1QL-0000ME-Nx for bug-gnu-emacs@gnu.org; Mon, 13 Apr 2020 11:55:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jO1QL-0006WQ-Na for bug-gnu-emacs@gnu.org; Mon, 13 Apr 2020 11:55:01 -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, 13 Apr 2020 15:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40000 X-GNU-PR-Package: emacs Original-Received: via spool by 40000-submit@debbugs.gnu.org id=B40000.158679328025038 (code B ref 40000); Mon, 13 Apr 2020 15:55:01 +0000 Original-Received: (at 40000) by debbugs.gnu.org; 13 Apr 2020 15:54:40 +0000 Original-Received: from localhost ([127.0.0.1]:60537 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jO1Q0-0006Vm-Ia for submit@debbugs.gnu.org; Mon, 13 Apr 2020 11:54:40 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42069) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jO1Py-0006VX-Lw for 40000@debbugs.gnu.org; Mon, 13 Apr 2020 11:54:39 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50477) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jO1Pt-0008Vs-6C; Mon, 13 Apr 2020 11:54:33 -0400 Original-Received: from [176.228.60.248] (port=2825 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jO1Ps-0001YS-Ka; Mon, 13 Apr 2020 11:54:32 -0400 In-Reply-To: <874ktn2yph.fsf@gmail.com> (message from Federico Tedin on Mon, 13 Apr 2020 17:27:06 +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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:178315 Archived-At: > From: Federico Tedin > Cc: casouri@gmail.com, 40000@debbugs.gnu.org > Date: Mon, 13 Apr 2020 17:27:06 +0200 > > I agree that the function should always return equal or smaller than the > last valid position. In case of buffers, fixing LIMIT > (point-max) is > OK because the function wasn't defined for that case anyways, as you > mentioned. However I'm not sure if my patch should fix the case for > strings where LIMIT > (length object), since that would mean that the > returned value would now be (length object) instead of LIMIT. And calls > to this function with these types of values could already exist, since > in this case the function did not hang. Then we'd need to clearly document the behavior in each case, I guess.