From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Problem report #24 Date: Tue, 11 Apr 2006 10:29:28 -0400 Message-ID: <87odz889u5.fsf-monnier+emacs@gnu.org> References: <200604101850.k3AIo62n005320@scanner2.ics.uci.edu> <443B5416.20301@swipnet.se> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1144765980 15527 80.91.229.2 (11 Apr 2006 14:33:00 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 11 Apr 2006 14:33:00 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 11 16:32:56 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FTJtz-0004Gn-SM for ged-emacs-devel@m.gmane.org; Tue, 11 Apr 2006 16:31:32 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTJtz-0001Br-AL for ged-emacs-devel@m.gmane.org; Tue, 11 Apr 2006 10:31:31 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FTJtW-00013B-BJ for emacs-devel@gnu.org; Tue, 11 Apr 2006 10:31:02 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FTJtV-00012e-K0 for emacs-devel@gnu.org; Tue, 11 Apr 2006 10:31:01 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTJtV-00012R-33 for emacs-devel@gnu.org; Tue, 11 Apr 2006 10:31:01 -0400 Original-Received: from [209.226.175.184] (helo=tomts22-srv.bellnexxia.net) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FTJyN-0000Pe-I8 for emacs-devel@gnu.org; Tue, 11 Apr 2006 10:36:03 -0400 Original-Received: from alfajor ([70.55.147.51]) by tomts22-srv.bellnexxia.net (InterMail vM.5.01.06.13 201-253-122-130-113-20050324) with ESMTP id <20060411143059.VSAV10262.tomts22-srv.bellnexxia.net@alfajor>; Tue, 11 Apr 2006 10:30:59 -0400 Original-Received: by alfajor (Postfix, from userid 1000) id 9A76DD82F9; Tue, 11 Apr 2006 10:29:28 -0400 (EDT) Original-To: "Jan D." In-Reply-To: <443B5416.20301@swipnet.se> (Jan D.'s message of "Tue, 11 Apr 2006 09:00:38 +0200") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) 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:52661 Archived-At: >>> Event assign_zero: Variable "f" assigned value 0. >>> Also see events: [var_deref_model] >> >>> 3022 f = NULL; >>> 3023 face = Qnil; >>> 3024 } >>> 3025 >>> 3026 /* Determine the width standard for comparison with the fonts we find. */ >>> 3027 >> >>> At conditional (1): "face == Qnil" taking false path >> >>> 3028 if (NILP (face)) >>> 3029 size = 0; >>> 3030 else >>> 3031 { >>> 3032 /* This is of limited utility since it works with character >>> 3033 widths. Keep it for compatibility. --gerd. */ >> >>> Event var_deref_model: Variable "f" tracked as NULL was passed to a function that dereferences it. [model] >>> Also see events: [assign_zero] >> If f is NULL, then face=Qnil, so the false path of face==Qnil won't >> be taken. >> > face could be Qnil upon entry to the function? Sure, no problem: the problem report is when f==NULL and face!=Qnil. Stefan