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#15426: 24.3.50; Multibyte filenames and directory-files in unibyte buffer Date: Fri, 20 Sep 2013 20:46:03 +0300 Message-ID: <831u4jl738.fsf@gnu.org> References: <87ob7nh22t.fsf@hochschule-trier.de> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Trace: ger.gmane.org 1379699238 5459 80.91.229.3 (20 Sep 2013 17:47:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 20 Sep 2013 17:47:18 +0000 (UTC) Cc: 15426@debbugs.gnu.org To: Andreas Politz Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Sep 20 19:47:21 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 1VN4nX-0007mu-Tq for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Sep 2013 19:47:20 +0200 Original-Received: from localhost ([::1]:57219 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VN4nX-0001K4-Gc for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Sep 2013 13:47:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33268) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VN4nM-0001I2-En for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 13:47:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VN4nG-0006oB-98 for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 13:47:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43370) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VN4nG-0006nY-5D for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 13:47:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VN4nF-0003xm-QD for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 13:47:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 20 Sep 2013 17:47:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15426 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15426-submit@debbugs.gnu.org id=B15426.137969916815161 (code B ref 15426); Fri, 20 Sep 2013 17:47:01 +0000 Original-Received: (at 15426) by debbugs.gnu.org; 20 Sep 2013 17:46:08 +0000 Original-Received: from localhost ([127.0.0.1]:51660 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VN4mO-0003wT-75 for submit@debbugs.gnu.org; Fri, 20 Sep 2013 13:46:08 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:55407) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VN4mM-0003vq-5R for 15426@debbugs.gnu.org; Fri, 20 Sep 2013 13:46:07 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MTF00100QCQB200@a-mtaout22.012.net.il> for 15426@debbugs.gnu.org; Fri, 20 Sep 2013 20:45:58 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MTF000XKQOMY7A0@a-mtaout22.012.net.il>; Fri, 20 Sep 2013 20:45:58 +0300 (IDT) In-reply-to: <87ob7nh22t.fsf@hochschule-trier.de> X-012-Sender: halo1@inter.net.il 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:78619 Archived-At: > From: Andreas Politz > Date: Fri, 20 Sep 2013 18:47:54 +0200 > > There seems to be something going wrong with the > encoding/decoding of multibyte filenames from a unibyte buffer in > recursive calls to directory-files. > > $ emacs -Q > > (setq d "/tmp/Ä") > "/tmp/Ä" > > (make-directory d t) > nil > > (toggle-enable-multibyte-characters) > t > > (car (directory-files d t)) > "/tmp/Ä/." > > (car (directory-files (car (directory-files d t)) t)) > "/tmp/\301\203\300\204/." Don't do that: inserting multibyte strings into a unibyte buffer changes the representation of the characters in the string, so you get a unibyte string. Unibyte buffers should only ever hold encoded text or binary data. Why did you need to do something like that, and in what real-life use case?