From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#7547: 24.0.50; verify-visited-file-modtime no longer returns t for non-existent file Date: Wed, 12 Jan 2011 09:45:46 +0100 Message-ID: References: <87wrnqnyqg.fsf%lukasz.stelmach@iem.pw.edu.pl> <5kfwuafkhw.fsf@fencepost.gnu.org> <74wrmad9hx.fsf@fencepost.gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1294822473 15791 80.91.229.12 (12 Jan 2011 08:54:33 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 12 Jan 2011 08:54:33 +0000 (UTC) Cc: 7547@debbugs.gnu.org To: Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 12 09:54:28 2011 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 1PcwTK-0003ga-W2 for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Jan 2011 09:54:27 +0100 Original-Received: from localhost ([127.0.0.1]:53912 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PcwTJ-0003SY-LG for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Jan 2011 03:54:25 -0500 Original-Received: from [140.186.70.92] (port=52031 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PcwTD-0003SR-0Y for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2011 03:54:22 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PcwT8-00023Y-7O for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2011 03:54:18 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:40247) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PcwT8-00023G-5w for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2011 03:54:14 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1PcwEQ-0005Tb-0K; Wed, 12 Jan 2011 03:39:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 Jan 2011 08:39:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7547 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 7547-submit@debbugs.gnu.org id=B7547.129482150020998 (code B ref 7547); Wed, 12 Jan 2011 08:39:01 +0000 Original-Received: (at 7547) by debbugs.gnu.org; 12 Jan 2011 08:38:20 +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 1PcwDj-0005Sd-Lg for submit@debbugs.gnu.org; Wed, 12 Jan 2011 03:38:19 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.9]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PcwDh-0005SS-Vr for 7547@debbugs.gnu.org; Wed, 12 Jan 2011 03:38:18 -0500 Original-Received: from frontend1.mail.m-online.net (unknown [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 86F251C013C3; Wed, 12 Jan 2011 09:45:47 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.8.164]) by mail.m-online.net (Postfix) with ESMTP id 5979C1C0012D; Wed, 12 Jan 2011 09:45:47 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.180]) by localhost (dynscan1.mail.m-online.net [192.168.8.164]) (amavisd-new, port 10024) with ESMTP id fnQlA4EypM2h; Wed, 12 Jan 2011 09:45:46 +0100 (CET) Original-Received: from hase (ppp-93-104-151-163.dynamic.mnet-online.de [93.104.151.163]) by mail.mnet-online.de (Postfix) with ESMTP; Wed, 12 Jan 2011 09:45:46 +0100 (CET) X-Yow: Sorry, wrong ZIP CODE!! In-Reply-To: <74wrmad9hx.fsf@fencepost.gnu.org> (Glenn Morris's message of "Tue, 11 Jan 2011 23:35:54 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 12 Jan 2011 03:39:02 -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:43284 Archived-At: Glenn Morris writes: > Andreas Schwab wrote: > >>> && (st.st_mtime == b->modtime + 1 >>> || st.st_mtime == b->modtime - 1))) >>> && (st.st_size == b->modtime_size >>> ! || b->modtime_size < 0 || st.st_mtime < 0)) >> >> time_t may be unsigned, thus (time_t)-1 may be > 0. > > I don't understand this comment. This will do the wrong thing if time_t is unsigned. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."