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#10257: 23.3.1 Cygwin: network drives - file is write protected (false positive) Date: Wed, 14 Dec 2011 19:21:47 +0200 Message-ID: <83hb132hn8.fsf@gnu.org> References: <4EE76B6E.7070904@cornell.edu> <4EE7B2A9.6060308@cornell.edu> <4EE8178F.5040004@cornell.edu> <87liqf1t04.fsf@picasso.cante.net> <4EE89590.2040503@cornell.edu> <4EE89CAB.8080301@cornell.edu> <20111214141521.GE22678@picasso.cante.net> <4EE8B2DB.70707@cornell.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1323883374 11370 80.91.229.12 (14 Dec 2011 17:22:54 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 14 Dec 2011 17:22:54 +0000 (UTC) Cc: 10257@debbugs.gnu.org, jari.aalto@cante.net To: Ken Brown Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 14 18:22:48 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 1RasXX-0003Xs-9x for geb-bug-gnu-emacs@m.gmane.org; Wed, 14 Dec 2011 18:22:47 +0100 Original-Received: from localhost ([::1]:44981 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RasXW-00034o-Au for geb-bug-gnu-emacs@m.gmane.org; Wed, 14 Dec 2011 12:22:46 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:33546) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RasXP-00034N-3a for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2011 12:22:44 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RasXN-00048B-Mj for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2011 12:22:39 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37342) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RasXN-00047x-Kx for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2011 12:22:37 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RasYj-0003bz-S2 for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2011 12:24:01 -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: Wed, 14 Dec 2011 17:24:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10257 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10257-submit@debbugs.gnu.org id=B10257.132388339813829 (code B ref 10257); Wed, 14 Dec 2011 17:24:01 +0000 Original-Received: (at 10257) by debbugs.gnu.org; 14 Dec 2011 17:23:18 +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 1RasY2-0003b0-Es for submit@debbugs.gnu.org; Wed, 14 Dec 2011 12:23:18 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RasXz-0003as-Mm for 10257@debbugs.gnu.org; Wed, 14 Dec 2011 12:23:17 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LW700H00EVBCD00@a-mtaout22.012.net.il> for 10257@debbugs.gnu.org; Wed, 14 Dec 2011 19:21:49 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.229.18.12]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LW700EVIEW9S2U0@a-mtaout22.012.net.il>; Wed, 14 Dec 2011 19:21:46 +0200 (IST) In-reply-to: <4EE8B2DB.70707@cornell.edu> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 14 Dec 2011 12:24:01 -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:54957 Archived-At: > Date: Wed, 14 Dec 2011 09:29:47 -0500 > From: Ken Brown > CC: Eli Zaretskii , 10257@debbugs.gnu.org > > So can you look into how the native Windows port implements > check_writable? It calls `access', whose implementation is in w32.c:sys_access. It mostly calls GetFileAttributes and that's it. If you want to check NT security ACLs on Cygwin, then what the native build does will not be good enough for you. But you can perhaps fall back on that if the UID and GID are bogus (see my other mail).