From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Richard M Stallman Newsgroups: gmane.emacs.devel Subject: Re: emacs' turn: remove useless if-before-free tests Date: Mon, 02 Jun 2008 06:54:48 -0400 Message-ID: References: <87fxryjv2n.fsf@rho.meyering.net> <87k5h9grpu.fsf@rho.meyering.net> Reply-To: rms@gnu.org NNTP-Posting-Host: lo.gmane.org Content-Type: text/plain; charset=ISO-8859-15 X-Trace: ger.gmane.org 1212404232 4784 80.91.229.12 (2 Jun 2008 10:57:12 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 2 Jun 2008 10:57:12 +0000 (UTC) Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Jim Meyering Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 02 12:57:53 2008 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1K37jX-0001Bo-UK for ged-emacs-devel@m.gmane.org; Mon, 02 Jun 2008 12:57:48 +0200 Original-Received: from localhost ([127.0.0.1]:44993 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K37il-0005uf-Ok for ged-emacs-devel@m.gmane.org; Mon, 02 Jun 2008 06:56:59 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1K37iS-0005ka-PT for emacs-devel@gnu.org; Mon, 02 Jun 2008 06:56:40 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1K37iR-0005jJ-GO for emacs-devel@gnu.org; Mon, 02 Jun 2008 06:56:39 -0400 Original-Received: from [199.232.76.173] (port=48924 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K37iR-0005j6-9U for emacs-devel@gnu.org; Mon, 02 Jun 2008 06:56:39 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]:40568) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1K37iR-000666-0z for emacs-devel@gnu.org; Mon, 02 Jun 2008 06:56:39 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.67) (envelope-from ) id 1K37ge-0001jY-9P; Mon, 02 Jun 2008 06:54:48 -0400 In-reply-to: <87k5h9grpu.fsf@rho.meyering.net> (message from Jim Meyering on Sun, 01 Jun 2008 16:22:37 +0200) X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:98223 Archived-At: Why *not* remove them? It is an unnecessary change and a risk of breaking on some platform. By contrsat, making xfree accept a null argument is unproblematic, since the function and its callers are 100% under our control.