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#23640: 25.1.50; Getting rid of compiler warnings Date: Tue, 7 Jun 2016 00:15:30 -0700 Organization: UCLA Computer Science Department Message-ID: <57567492.2000009@cs.ucla.edu> References: <574E9E50.6040301@cs.ucla.edu> <2b96b91c-cb05-59a5-0458-05239b26da1b@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1465283789 10500 80.91.229.3 (7 Jun 2016 07:16:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 7 Jun 2016 07:16:29 +0000 (UTC) Cc: 23640@debbugs.gnu.org, andrewjmoreton@gmail.com To: rms@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 07 09:16:16 2016 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 1bABFF-0001GL-Iq for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 7 Jun 2016 00:15:34 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id EA397161327; Tue, 7 Jun 2016 00:15:33 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:119200 Archived-At: Richard Stallman wrote: > char *ident_start =3D UNUSED; That would set ident_start to zero even when GCC warnings are disabled, w= hich=20 would be a bit slower since ident_start does not need to be initialized.=20 Unfortunately there is no syntax in C for a no-op initializer, so there's= no way=20 to define UNUSED so that it initializes ident_start when GCC warnings are= =20 enabled and leaves ident_start uninitialized otherwise.