From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Packing of union fields and bool_bf Date: Sat, 13 Oct 2018 19:54:13 +0300 Message-ID: <834ldpvlca.fsf@gnu.org> References: <838t31vpwy.fsf@gnu.org> <87h8hpbzzr.fsf@tromey.com> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1539449543 21342 195.159.176.226 (13 Oct 2018 16:52:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 13 Oct 2018 16:52:23 +0000 (UTC) Cc: tom@tromey.com, emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Oct 13 18:52:19 2018 Return-path: Envelope-to: ged-emacs-devel@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 1gBN9G-0005Qi-4p for ged-emacs-devel@m.gmane.org; Sat, 13 Oct 2018 18:52:18 +0200 Original-Received: from localhost ([::1]:45664 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gBNBM-0006rb-M8 for ged-emacs-devel@m.gmane.org; Sat, 13 Oct 2018 12:54:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44238) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gBNBD-0006rW-6j for emacs-devel@gnu.org; Sat, 13 Oct 2018 12:54:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gBNB6-0005gK-VC for emacs-devel@gnu.org; Sat, 13 Oct 2018 12:54:17 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33046) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gBNB6-0005gG-Le; Sat, 13 Oct 2018 12:54:12 -0400 Original-Received: from [176.228.60.248] (port=4392 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gBNB5-0007FH-EL; Sat, 13 Oct 2018 12:54:12 -0400 In-reply-to: (message from Paul Eggert on Sat, 13 Oct 2018 11:22:31 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:230373 Archived-At: > Cc: emacs-devel@gnu.org > From: Paul Eggert > Date: Sat, 13 Oct 2018 11:22:31 -0500 > > > Adjacent bit fields are packed into the same 1-, 2-, or 4-byte > > allocation unit if the integral types are the same size > > > It's silly to require the integral types to be the same size, since the > actual size is given by the number of bits in the bitfield. But if it's > the Microsoft API we can't change it. Does the attached patch work > around the problem? Yes, I installed something similar (__MINGW32__ instead of DOS_NT, as I don't think the MSDOS build needs this). Thanks.