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#19302: 24.4.51; `date-to-time' fails after 2038 Date: Tue, 09 Dec 2014 21:48:51 +0200 Message-ID: <83zjawvc2k.fsf@gnu.org> References: <87vblmc377.fsf@gmail.com> <83ppbswzfq.fsf@gnu.org> <87h9x4k7qg.fsf@violet.siamics.net> <8361dkwufl.fsf@gnu.org> <834mt4wtec.fsf@gnu.org> <87a92wk5gd.fsf@violet.siamics.net> 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 1418154624 15264 80.91.229.3 (9 Dec 2014 19:50:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Dec 2014 19:50:24 +0000 (UTC) Cc: 19302@debbugs.gnu.org To: Ivan Shmakov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 09 20:50:16 2014 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 1XyQnY-0006N8-6j for geb-bug-gnu-emacs@m.gmane.org; Tue, 09 Dec 2014 20:50:16 +0100 Original-Received: from localhost ([::1]:42238 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyQnX-000589-RC for geb-bug-gnu-emacs@m.gmane.org; Tue, 09 Dec 2014 14:50:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyQnP-00054g-S3 for bug-gnu-emacs@gnu.org; Tue, 09 Dec 2014 14:50:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XyQnK-00043X-FL for bug-gnu-emacs@gnu.org; Tue, 09 Dec 2014 14:50:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34533) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyQnK-000439-Bt for bug-gnu-emacs@gnu.org; Tue, 09 Dec 2014 14:50:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XyQnK-0004pA-2Y for bug-gnu-emacs@gnu.org; Tue, 09 Dec 2014 14:50:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 09 Dec 2014 19:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19302 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19302-submit@debbugs.gnu.org id=B19302.141815454318464 (code B ref 19302); Tue, 09 Dec 2014 19:50:02 +0000 Original-Received: (at 19302) by debbugs.gnu.org; 9 Dec 2014 19:49:03 +0000 Original-Received: from localhost ([127.0.0.1]:59979 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XyQmM-0004nj-N2 for submit@debbugs.gnu.org; Tue, 09 Dec 2014 14:49:03 -0500 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:45726) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XyQmJ-0004nF-Fx for 19302@debbugs.gnu.org; Tue, 09 Dec 2014 14:49:00 -0500 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0NGB00800YSEO400@a-mtaout20.012.net.il> for 19302@debbugs.gnu.org; Tue, 09 Dec 2014 21:48:57 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NGB005HEZ1LMCA0@a-mtaout20.012.net.il>; Tue, 09 Dec 2014 21:48:57 +0200 (IST) In-reply-to: <87a92wk5gd.fsf@violet.siamics.net> 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:97105 Archived-At: > From: Ivan Shmakov > Date: Tue, 09 Dec 2014 19:07:14 +0000 > > >>>>> Eli Zaretskii writes: > >>>>> From: Lars Magne Ingebrigtsen Date: Tue, 09 Dec 2014 19:31:20 +0100 > >>>>> Eli Zaretskii writes: > > >>> So such an Emacs will be broken anyway after 2038, because it will > >>> be unable to interpret file attributes, > > I see no way a platform which uses 32-bit time_t could possibly > return file attributes pointing beyond 2038. It will try. > >>> use interval timers, etc. > > Yes. However, I’m could hardly imagine a use case for interval > timers pointing to some quarter a century in the future. Imagine you are already in the year 2038. That's the purpose of this discussion, right? > >> The problem is in parsing dates in the far future. Web pages, for > >> instance, popularly use an Expiry: header saying that the page > >> expires in the year 2100 as a synonym for "never expires". > > > So we are going now to reinvent all the strftime stuff, complete with > > localized names of months, days, etc., is that so? > > If “we” here means “the GNU project,” – then we already do that; > check lib/strftime.c, for instance. It relies on libc for its job.