From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Emacs rewrite in a maintainable language Date: Tue, 13 Oct 2015 18:21:41 +0300 Message-ID: <838u76ztdm.fsf@gnu.org> References: <561A19AB.5060001@cumego.com> <87io6dl0h0.fsf@wanadoo.es> <87lhb82qxc.fsf@gmail.com> <878u78b3hg.fsf@fencepost.gnu.org> <87h9lwyv33.fsf@gmail.com> <561C368F.6010306@cs.ucla.edu> <87oag3xb2i.fsf@gmail.com> <20151013114630.GA4613@acm.fritz.box> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1444749771 12280 80.91.229.3 (13 Oct 2015 15:22:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 Oct 2015 15:22:51 +0000 (UTC) Cc: eggert@cs.ucla.edu, ohwoeowho@gmail.com, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 13 17:22:35 2015 Return-path: Envelope-to: ged-emacs-devel@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 1Zm1PP-0005w9-08 for ged-emacs-devel@m.gmane.org; Tue, 13 Oct 2015 17:22:35 +0200 Original-Received: from localhost ([::1]:36815 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1PO-0005eH-46 for ged-emacs-devel@m.gmane.org; Tue, 13 Oct 2015 11:22:34 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43770) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1OP-00056h-OB for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:21:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zm1OL-0002QZ-9g for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:21:33 -0400 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:38256) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1OL-0002QH-1Z for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:21:29 -0400 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0NW500I00ZWJZF00@a-mtaout23.012.net.il> for emacs-devel@gnu.org; Tue, 13 Oct 2015 18:21:27 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NW500ILAZZRUN90@a-mtaout23.012.net.il>; Tue, 13 Oct 2015 18:21:27 +0300 (IDT) In-reply-to: <20151013114630.GA4613@acm.fritz.box> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.175 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:191476 Archived-At: > Date: Tue, 13 Oct 2015 11:46:30 +0000 > From: Alan Mackenzie > Cc: Paul Eggert , emacs-devel@gnu.org > > > May I ask if there's a reason to not have a single style for const > > pointers? I get 2162 occurrences of "const char *", and 357 occurrences > > of "char const *" in the C sources. > > Yes there is. The two are semantically different. In one of them, it is > the pointer which is declared constant. In the other, it's what's > pointed at that's constant. Though I can never remember which is which. > :-( Use 'cdecl': cdecl> explain const char *p declare p as pointer to const char cdecl> explain char const *p syntax error cdecl> explain char * const p declare p as const pointer to char