From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.devel Subject: Problem report #12 Date: Sat, 08 Apr 2006 23:59:51 -0700 Message-ID: <200604090659.k396xpct005556@scanner2.ics.uci.edu> Reply-To: emacs-devel@gnu.org NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1144566108 4896 80.91.229.2 (9 Apr 2006 07:01:48 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 9 Apr 2006 07:01:48 +0000 (UTC) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Apr 09 09:01:46 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 1FSTvY-000147-1l for ged-emacs-devel@m.gmane.org; Sun, 09 Apr 2006 09:01:40 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FSTvX-0005yu-K2 for ged-emacs-devel@m.gmane.org; Sun, 09 Apr 2006 03:01:39 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FSTut-0005iF-QM for emacs-devel@gnu.org; Sun, 09 Apr 2006 03:00:59 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FSTus-0005hj-3q for emacs-devel@gnu.org; Sun, 09 Apr 2006 03:00:59 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FSTus-0005hg-0W for emacs-devel@gnu.org; Sun, 09 Apr 2006 03:00:58 -0400 Original-Received: from [128.195.1.36] (helo=scanner2.ics.uci.edu) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FSTzE-0005Yi-4D for emacs-devel@gnu.org; Sun, 09 Apr 2006 03:05:28 -0400 Original-Received: from vino.ics.uci.edu (vino.ics.uci.edu [128.195.11.198]) by scanner2.ics.uci.edu (8.13.6/8.13.5) with ESMTP id k396xpct005556 for ; Sat, 8 Apr 2006 23:59:51 -0700 (PDT) Original-To: emacs-devel@gnu.org Original-Lines: 40 X-ICS-MailScanner: Found to be clean X-ICS-MailScanner-SpamCheck: not spam (whitelisted), SpamAssassin (score=-0.84, required 5, autolearn=disabled, ALL_TRUSTED -1.44, J_CHICKENPOX_35 0.60) X-ICS-MailScanner-From: dann@vino.ics.uci.edu 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:52552 Archived-At: ERROR CID: 12 Checker: FORWARD_NULL (help) File: emacs/src/dispnew.c Function: adjust_glyph_matrix Description: Variable "w" tracked as NULL was dereferenced. Event var_compare_op: Added "w" due to comparison "w != 0" Also see events: [var_deref_op] At conditional (1): "w != 0" taking false path 631 if (w) 632 { 633 window_box (w, -1, 0, 0, &window_width, &window_height); 634 635 header_line_p = WINDOW_WANTS_HEADER_LINE_P (w); 636 header_line_changed_p = header_line_p != matrix->header_line_p; 637 } 638 matrix->header_line_p = header_line_p; 639 640 /* If POOL is null, MATRIX is a window matrix for window-based redisplay. 641 Do nothing if MATRIX' size, position, vscroll, and marginal areas 642 haven't changed. This optimization is important because preserving 643 the matrix means preventing redisplay. */ At conditional (2): "(matrix)->pool == 0" taking true path 644 if (matrix->pool == NULL) 645 { Event var_deref_op: Variable "w" tracked as NULL was dereferenced. Also see events: [var_compare_op] 646 left = margin_glyphs_to_reserve (w, dim.width, w->left_margin_cols); 647 right = margin_glyphs_to_reserve (w, dim.width, w->right_margin_cols); 648 xassert (left >= 0 && right >= 0); 649 marginal_areas_changed_p = (left != matrix->left_margin_glyphs 650 || right != matrix->right_margin_glyphs);