From 0e338ba3e0fa03b28664448af0cea686c5e6c26d Mon Sep 17 00:00:00 2001
From: Mike Newman <MikeGTN@src.gnome.org>
Date: Fri, 17 Jan 2003 07:46:11 +0000
Subject: Fix a segfault in the --list if no data is supplied to populate the
 tree.

---
 src/tree.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/tree.c')

diff --git a/src/tree.c b/src/tree.c
index 29b38c6..c19b180 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -124,7 +124,13 @@ zenity_tree (ZenityData *data, ZenityTreeData *tree_data)
 	        data->exit_code = -1;
                 return;
         }
-	
+
+	if (tree_data->data == NULL) {
+		g_printerr (_("No contents specified for --list\n"));
+		data->exit_code = -1;
+		return;
+	}
+
 	glade_xml_signal_autoconnect (glade_dialog);
 
 	dialog = glade_xml_get_widget (glade_dialog, "zenity_tree_dialog");
-- 
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