From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#9318: 23.3.50; The first call of encode-coding-region() returns wrong result Date: Mon, 05 Dec 2011 01:11:53 -0800 Organization: UCLA Computer Science Department Message-ID: <4EDC8AD9.3050004@cs.ucla.edu> References: <20110818090129.DC129360038@msa102.auone-net.jp> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1323076361 3850 80.91.229.12 (5 Dec 2011 09:12:41 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 5 Dec 2011 09:12:41 +0000 (UTC) Cc: 9318@debbugs.gnu.org To: Kenichi Handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 05 10:12:37 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RXUbF-0006q8-1K for geb-bug-gnu-emacs@m.gmane.org; Mon, 05 Dec 2011 10:12:37 +0100 Original-Received: from localhost ([::1]:38903 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RXUbD-0005Bl-S4 for geb-bug-gnu-emacs@m.gmane.org; Mon, 05 Dec 2011 04:12:35 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:33131) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RXUb9-0005B5-SG for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2011 04:12:32 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RXUb8-0003IQ-Pb for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2011 04:12:31 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:53041) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RXUb8-0003II-OA for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2011 04:12:30 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RXUbd-0008Gm-Jc for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2011 04:13:01 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <20110818090129.DC129360038@msa102.auone-net.jp> Resent-From: Paul Eggert Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 05 Dec 2011 09:13:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9318 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 9318-submit@debbugs.gnu.org id=B9318.132307635131726 (code B ref 9318); Mon, 05 Dec 2011 09:13:01 +0000 Original-Received: (at 9318) by debbugs.gnu.org; 5 Dec 2011 09:12:31 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RXUb9-0008Ff-AK for submit@debbugs.gnu.org; Mon, 05 Dec 2011 04:12:31 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RXUb6-0008FW-Rh for 9318@debbugs.gnu.org; Mon, 05 Dec 2011 04:12:30 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id E73AE39E800B; Mon, 5 Dec 2011 01:11:56 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sncBg7NJIn5O; Mon, 5 Dec 2011 01:11:56 -0800 (PST) Original-Received: from [192.168.1.10] (pool-71-189-109-235.lsanca.fios.verizon.net [71.189.109.235]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 865C839E8008; Mon, 5 Dec 2011 01:11:56 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20111124 Thunderbird/8.0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Mon, 05 Dec 2011 04:13:01 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:54706 Archived-At: That patch (bzr 106613) causes Emacs to use an uninitialized variable; I found this via static checking with GCC. I installed the following further patch, which I think is right and anyway does not introduce a bug -- can you please check it? Thanks. * coding.c (encode_designation_at_bol): Don't use uninitialized local variable (Bug#9318). === modified file 'src/coding.c' --- src/coding.c 2011-12-05 07:03:31 +0000 +++ src/coding.c 2011-12-05 09:00:44 +0000 @@ -4356,7 +4356,7 @@ int *charbuf, int *charbuf_end, unsigned char *dst) { - unsigned char *orig; + unsigned char *orig = dst; struct charset *charset; /* Table of charsets to be designated to each graphic register. */ int r[4];