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Fix some possible crashes if the default display is NULL

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Unlikely that many people will hit these, but still.
https://bugzilla.gnome.org/show_bug.cgi?id=645176
This commit is contained in:
Matthias Clasen 2011-04-08 21:20:26 -04:00
parent 32358a58f4
commit 9e6d3d969c
3 changed files with 9 additions and 3 deletions
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3
gdk/gdkdisplay.c
View File

@ -134,7 +134,8 @@ gdk_display_class_init (GdkDisplayClass *class)
static void
free_pointer_info (GdkPointerWindowInfo *info)
{
g_object_unref (info->toplevel_under_pointer);
if (info->toplevel_under_pointer)
g_object_unref (info->toplevel_under_pointer);
g_slice_free (GdkPointerWindowInfo, info);
}

6
gdk/gdkevents.c
View File

@ -605,6 +605,8 @@ gdk_event_copy (const GdkEvent *event)
void
gdk_event_free (GdkEvent *event)
{
GdkDisplay *display;
g_return_if_fail (event != NULL);
if (event->any.window)
@ -670,7 +672,9 @@ gdk_event_free (GdkEvent *event)
break;
}
_gdk_display_event_data_free (gdk_display_get_default (), event);
display = gdk_display_get_default ();
if (display)
_gdk_display_event_data_free (display, event);
g_hash_table_remove (event_hash, event);
g_slice_free (GdkEventPrivate, (GdkEventPrivate*) event);

3
gdk/x11/gdkdisplaymanager-x11.c
View File

@ -77,7 +77,8 @@ gdk_x11_display_manager_set_default_display (GdkDisplayManager *manager,
{
GDK_X11_DISPLAY_MANAGER (manager)->default_display = display;
_gdk_x11_display_make_default (display);
if (display)
_gdk_x11_display_make_default (display);
}
static void