From: Jeff Walsh <fejfighter@gmail.com>
Date: Thu, 15 Oct 2020 07:55:29 +0000 (+0200)
Subject: Fix segfault in xwidget when there is no title
X-Git-Tag: emacs-28.0.90~5629
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=2970d73a71d3c1dff016e98263c0becd12bf1781;p=emacs.git

Fix segfault in xwidget when there is no title

* src/xwidget.c (Fxwidget_webkit_title): Pass emptry string when no
title is returned (bug#43989).
---

diff --git a/src/xwidget.c b/src/xwidget.c
index 154b3e9c82c..e63191ebda9 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -793,7 +793,9 @@ DEFUN ("xwidget-webkit-title",
   WEBKIT_FN_INIT ();
 #ifdef USE_GTK
   WebKitWebView *wkwv = WEBKIT_WEB_VIEW (xw->widget_osr);
-  return build_string (webkit_web_view_get_title (wkwv));
+  const gchar *title = webkit_web_view_get_title (wkwv);
+
+  return build_string (title ? title : "");
 #elif defined NS_IMPL_COCOA
   return nsxwidget_webkit_title (xw);
 #endif