From: Marijn van Vliet <marijn.vanvliet@med.kuleuven.be>
Date: Wed, 5 May 2010 13:47:14 +0000 (+0000)
Subject: Fixed segfault when requesting non-existant parent window
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;h=6d86f63cea38cf554181e810230e15aefa90a604;p=rodin%2Fchimara.git

Fixed segfault when requesting non-existant parent window


git-svn-id: http://lassie.dyndns-server.com/svn/gargoyle-gtk@269 ddfedd41-794f-dd11-ae45-00112f111e67
---

diff --git a/libchimara/window.c b/libchimara/window.c
index 011b5fb..56cbd70 100644
--- 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;
 }