From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#29231: 26.0.90; invald file name for symbolic files Date: Sat, 11 Nov 2017 15:21:26 -0800 Organization: UCLA Computer Science Department Message-ID: References: <83efp7qk9i.fsf@gnu.org> <83wp2ypn4q.fsf@gnu.org> <837euxp53y.fsf@gnu.org> <20171111182520.GA5075@breton.holly.idiocy.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1510442531 13512 195.159.176.226 (11 Nov 2017 23:22:11 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 11 Nov 2017 23:22:11 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 Cc: Vincent Zhang , 29231@debbugs.gnu.org To: Alan Third , Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 12 00:22:06 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eDf6D-0003EC-FY for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 Nov 2017 00:22:05 +0100 Original-Received: from localhost ([::1]:47445 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eDf6K-0000ja-JV for geb-bug-gnu-emacs@m.gmane.org; Sat, 11 Nov 2017 18:22:12 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eDf6D-0000jT-HT for bug-gnu-emacs@gnu.org; Sat, 11 Nov 2017 18:22:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eDf6A-0003ba-E3 for bug-gnu-emacs@gnu.org; Sat, 11 Nov 2017 18:22:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55329) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eDf6A-0003bW-AH for bug-gnu-emacs@gnu.org; Sat, 11 Nov 2017 18:22:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eDf6A-0003H4-1O for bug-gnu-emacs@gnu.org; Sat, 11 Nov 2017 18:22:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 11 Nov 2017 23:22:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29231 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29231-submit@debbugs.gnu.org id=B29231.151044249612553 (code B ref 29231); Sat, 11 Nov 2017 23:22:01 +0000 Original-Received: (at 29231) by debbugs.gnu.org; 11 Nov 2017 23:21:36 +0000 Original-Received: from localhost ([127.0.0.1]:35777 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eDf5k-0003GP-1o for submit@debbugs.gnu.org; Sat, 11 Nov 2017 18:21:36 -0500 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:32810) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eDf5g-0003GB-Vk for 29231@debbugs.gnu.org; Sat, 11 Nov 2017 18:21:33 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id A2B5A1610CC; Sat, 11 Nov 2017 15:21:27 -0800 (PST) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 1Z1cN21UMf2P; Sat, 11 Nov 2017 15:21:26 -0800 (PST) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E0C881610DB; Sat, 11 Nov 2017 15:21:26 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id jdM9-e7ZsbES; Sat, 11 Nov 2017 15:21:26 -0800 (PST) Original-Received: from [192.168.1.9] (unknown [47.154.30.119]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id B380B1610CC; Sat, 11 Nov 2017 15:21:26 -0800 (PST) In-Reply-To: <20171111182520.GA5075@breton.holly.idiocy.org> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:139778 Archived-At: Alan Third wrote: > Only with symlinks faccessat returns success if it=E2=80=99s pointing t= o a > file and you put =E2=80=98/=E2=80=99 on the end. This is a well-known problem on macOS, and Emacs is supposed to compile a= =20 replacement fstatat function by building lib/fstatat.o and linking to tha= t, and=20 this replacement is supposed to implement the POSIX-required behavior whe= re a=20 trailing / works only on directories (or symlinks to directories, if foll= owing=20 symlinks). Evidently this replacement procedure is not working somehow. Please tell = us=20 whether the executable contains an fstatat workaround. You can do that vi= a=20 something like this: $ gdb src/temacs (gdb) disas rpl_fstatat and I'd like to see the output of the 'disas' command. Also, what are the values of the following macros in src/config.h? (The v= alues=20 on GNU/Linux are as shown.) #define LSTAT_FOLLOWS_SLASHED_SYMLINK 1 #define HAVE_FSTATAT 1 /* #undef HAVE_WORKING_FSTATAT_ZERO_FLAG */