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Fixed segfault when requesting non-existant parent window
[projects/chimara/chimara.git]
/
libchimara
/
window.c
diff --git
a/libchimara/window.c
b/libchimara/window.c
index 011b5fbf99ee6859f45940d1ba82ddf14452d5ee..56cbd700e6d66f2a5d9b2f496073a18fcf91eb05 100644
(file)
--- a/
libchimara/window.c
+++ b/
libchimara/window.c
@@
-170,7
+170,11
@@
winid_t
glk_window_get_parent(winid_t win)
{
VALID_WINDOW(win, return NULL);
+
/* Value will also be NULL if win is the root window */
+ if(win->window_node->parent == NULL)
+ return NULL;
+
return (winid_t)win->window_node->parent->data;
}