From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#13515: 24.3.50; file-name operating functions are broken on Japanese Windows Date: Tue, 22 Jan 2013 14:13:32 +0200 Message-ID: <834ni9o1oz.fsf@gnu.org> References: <87txqa7ikj.wl%%xmue@d1.dion.ne.jp> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-2022-jp Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1358856847 15883 80.91.229.3 (22 Jan 2013 12:14:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 22 Jan 2013 12:14:07 +0000 (UTC) Cc: 13515@debbugs.gnu.org To: Kazuhiro Ito Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 22 13:14:25 2013 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 1TxckC-0005hO-GW for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Jan 2013 13:14:24 +0100 Original-Received: from localhost ([::1]:36886 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Txcjv-0000RZ-B6 for geb-bug-gnu-emacs@m.gmane.org; Tue, 22 Jan 2013 07:14:07 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:40094) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Txcjm-0000QU-MM for bug-gnu-emacs@gnu.org; Tue, 22 Jan 2013 07:14:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Txcjh-000248-Se for bug-gnu-emacs@gnu.org; Tue, 22 Jan 2013 07:13:58 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:38807) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Txcjh-000244-Oz for bug-gnu-emacs@gnu.org; Tue, 22 Jan 2013 07:13:53 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Txcko-0005A1-Dq for bug-gnu-emacs@gnu.org; Tue, 22 Jan 2013 07:15:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 22 Jan 2013 12:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13515 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13515-submit@debbugs.gnu.org id=B13515.135885686919780 (code B ref 13515); Tue, 22 Jan 2013 12:15:02 +0000 Original-Received: (at 13515) by debbugs.gnu.org; 22 Jan 2013 12:14:29 +0000 Original-Received: from localhost ([127.0.0.1]:44271 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TxckG-00058z-RR for submit@debbugs.gnu.org; Tue, 22 Jan 2013 07:14:29 -0500 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:53867) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TxckD-00058q-Jn for 13515@debbugs.gnu.org; Tue, 22 Jan 2013 07:14:27 -0500 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0MH100D000GU0300@a-mtaout20.012.net.il> for 13515@debbugs.gnu.org; Tue, 22 Jan 2013 14:13:14 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MH100D210M10R00@a-mtaout20.012.net.il>; Tue, 22 Jan 2013 14:13:14 +0200 (IST) In-reply-to: <87txqa7ikj.wl%%xmue@d1.dion.ne.jp> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.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:70162 Archived-At: > Date: Mon, 21 Jan 2013 22:48:44 +0900 > From: Kazuhiro Ito > > The below code returns unexpected result in turnk on Windows. > > (let ((file-name-coding-system 'cp932)) > (expand-file-name "表" "C:/")) > > -> "c:/\225/" > > dostounix_filename does not support cp932 encoded string, which could > contain '\\' as the part of Kankji characters. Thanks, I will work on fixing this. > By the fix for Bug#12933, dostounix_filename could receive such > string. Before that fix, dostounix_filename would indeed accept such file names, but what it did with them was exhibiting undefined behavior, because it treated multibyte strings in Emacs internal representation as if they were simple unibyte strings. > In addition, that change also let the below code fail. > > (let ((file-name-coding-system 'cp1252)) > (expand-file-name "漢字" "C:/")) > > -> "c:/ " IMO, this snippet doesn't make sense and cannot be supported. expand-file-name calls a number of system APIs which need the file name be encoded, so using file-name-coding-system that cannot possibly encode a file name is not supposed to work. Do you have a real-life situation where such cases emerge and need to be supported?