Small bug in gtknotebook.c

[Dave Cole <dave dccs com au>]

When trying a program of mine with gtk+-1.1.5, I encountered a
segfault in gtknotebook.c

I do not have CVS access, so could someone have a look at this patch,
then apply it if it is correct?

- Dave

--- gtk+-1.1.5/gtk/gtknotebook.c	Mon Nov 23 15:49:22 1998
+++ gtk+-1.1.5-mine/gtk/gtknotebook.c	Fri Nov 27 01:14:35 1998
@@ -912,6 +912,7 @@
 
       gtk_notebook_paint (widget, &event->area);
       if (notebook->cur_page &&
+	  notebook->cur_page->tab_label &&
 	  gtk_widget_intersect (notebook->cur_page->tab_label, 
 				&event->area, &child_area))
 	gtk_widget_draw_focus (widget);
@@ -2241,7 +2242,8 @@
 			   page->tab_label->allocation.width + 1,
 			   page->tab_label->allocation.height + 1);
 	}
-      if (gtk_widget_intersect (page->tab_label, area, &child_area))
+      if (page->tab_label &&
+	  gtk_widget_intersect (page->tab_label, area, &child_area))
 	gtk_widget_draw (page->tab_label, &child_area);
     }
 }
@@ -2421,7 +2423,7 @@
   while (children)
     {
       page = children->data;
-      if (GTK_WIDGET_MAPPED (page->tab_label))
+      if (page->tab_label && GTK_WIDGET_MAPPED (page->tab_label))
 	{
 	  x = page->allocation.x;
 	  y = page->allocation.y;


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