From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#15825: unidata-gen seems messed up somehow Date: Fri, 08 Nov 2013 00:07:43 -0800 Organization: UCLA Computer Science Department Message-ID: <527C9BCF.1060504@cs.ucla.edu> References: <83mwlg5gf5.fsf@gnu.org> <83iow35o5v.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1383898098 2182 80.91.229.3 (8 Nov 2013 08:08:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 8 Nov 2013 08:08:18 +0000 (UTC) Cc: 15825@debbugs.gnu.org To: Eli Zaretskii , Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 08 09:08:22 2013 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 1Veh77-0007U5-6K for geb-bug-gnu-emacs@m.gmane.org; Fri, 08 Nov 2013 09:08:21 +0100 Original-Received: from localhost ([::1]:44208 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Veh76-0004g5-JT for geb-bug-gnu-emacs@m.gmane.org; Fri, 08 Nov 2013 03:08:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42708) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Veh6w-0004ft-IA for bug-gnu-emacs@gnu.org; Fri, 08 Nov 2013 03:08:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Veh6p-0001Lh-94 for bug-gnu-emacs@gnu.org; Fri, 08 Nov 2013 03:08:10 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54951) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Veh6p-0001Lc-5O for bug-gnu-emacs@gnu.org; Fri, 08 Nov 2013 03:08:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Veh6o-00011U-84 for bug-gnu-emacs@gnu.org; Fri, 08 Nov 2013 03:08:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 08 Nov 2013 08:08:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15825 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15825-submit@debbugs.gnu.org id=B15825.13838980733914 (code B ref 15825); Fri, 08 Nov 2013 08:08:02 +0000 Original-Received: (at 15825) by debbugs.gnu.org; 8 Nov 2013 08:07:53 +0000 Original-Received: from localhost ([127.0.0.1]:40737 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Veh6e-000113-1i for submit@debbugs.gnu.org; Fri, 08 Nov 2013 03:07:52 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:59734) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Veh6b-00010l-JW for 15825@debbugs.gnu.org; Fri, 08 Nov 2013 03:07:50 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id CA44F39E8105; Fri, 8 Nov 2013 00:07:43 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VJFVVznSlq2J; Fri, 8 Nov 2013 00:07:43 -0800 (PST) Original-Received: from [192.168.1.9] (pool-108-0-233-62.lsanca.fios.verizon.net [108.0.233.62]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 6F68E39E80F8; Fri, 8 Nov 2013 00:07:43 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 In-Reply-To: <83iow35o5v.fsf@gnu.org> X-Enigmail-Version: 1.6 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:80129 Archived-At: Eli Zaretskii wrote: > What does 'sizeof' return for a struct that has array[0] at the end? For something like this: struct s { ...; int data[]; }; C99 says sizeof (struct s) == offsetof (struct s, data). C89 doesn't have this concept, so for portability we do this in C89: struct s { ...; int data[1]; }; and use offsetof (struct s, data) instead of sizeof (struct s), as the latter's wrong for C89.