From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#7617: 24.0.50; `expand-file-name': removal of slashes Date: Sun, 12 Dec 2010 22:53:40 -0500 Message-ID: References: <7F477A16FFA145E5AB532A96F55D5CDC@us.oracle.com> <022D0B344DB64B2A9E1B771B0695237E@us.oracle.com> <83k4jeu6pf.fsf@gnu.org> <0910543A74614DBD82DA14ED1B5E4D17@us.oracle.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1292214348 7920 80.91.229.12 (13 Dec 2010 04:25:48 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 13 Dec 2010 04:25:48 +0000 (UTC) Cc: 7617@debbugs.gnu.org To: "Drew Adams" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 13 05:25:44 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PRzyq-0003mI-68 for geb-bug-gnu-emacs@m.gmane.org; Mon, 13 Dec 2010 05:25:44 +0100 Original-Received: from localhost ([127.0.0.1]:37232 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PRzyp-0000CU-MA for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 Dec 2010 23:25:43 -0500 Original-Received: from [140.186.70.92] (port=40423 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PRzyl-0000BU-1S for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2010 23:25:40 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PRzyk-0003Nd-3c for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2010 23:25:38 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48929) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PRzyk-0003NZ-0w for bug-gnu-emacs@gnu.org; Sun, 12 Dec 2010 23:25:38 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1PRzOM-0006T2-8X; Sun, 12 Dec 2010 22:48:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 13 Dec 2010 03:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7617 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 7617-submit@debbugs.gnu.org id=B7617.129221205424792 (code B ref 7617); Mon, 13 Dec 2010 03:48:02 +0000 Original-Received: (at 7617) by debbugs.gnu.org; 13 Dec 2010 03:47:34 +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 1PRzNt-0006Ro-UP for submit@debbugs.gnu.org; Sun, 12 Dec 2010 22:47:34 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181] helo=ironport2-out.pppoe.ca) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PRzNr-0006RU-EG for 7617@debbugs.gnu.org; Sun, 12 Dec 2010 22:47:32 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AisJAGsnBU1FpZA//2dsb2JhbACiZoEZecEIhUoEhGSOBQ X-IronPort-AV: E=Sophos;i="4.59,334,1288584000"; d="scan'208";a="85272046" Original-Received: from 69-165-144-63.dsl.teksavvy.com (HELO ceviche.home) ([69.165.144.63]) by ironport2-out.pppoe.ca with ESMTP/TLS/ADH-AES256-SHA; 12 Dec 2010 22:53:40 -0500 Original-Received: by ceviche.home (Postfix, from userid 20848) id 85A436616B; Sun, 12 Dec 2010 22:53:40 -0500 (EST) In-Reply-To: <0910543A74614DBD82DA14ED1B5E4D17@us.oracle.com> (Drew Adams's message of "Sun, 12 Dec 2010 12:21:31 -0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sun, 12 Dec 2010 22:48:02 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:42473 Archived-At: > I am using the function `expand*' on user input (one operation among > many), to do just what is advertised for `expand*' There-s your problem. You treat user input in a `read-file-name' as an actual file name (i.e. suitable to pass to functions like expand-file-name), whereas it is actually a different beast, closely related, but different: it has this "..// -> /" and ".../~ -> ~" rules, as well as env-var expansion (which also implies "$$ -> $" rewrite). And even these special rules depend on file-name-handlers so, e.g., they do not apply to URLs but other rules may aaply to other special filenames. I.e. the only safe thing to do is to first pass those strings through substitute-for-file-name. Stefan