/* pushing a TreeItem with a NULL item or subtree is completely valid for this function */
TreeItem push_TreeItem(lua_State *L, proto_tree *tree, proto_item *item) {
TreeItem ti = (struct _wslua_treeitem *)g_malloc(sizeof(struct _wslua_treeitem));
ti->tree = tree;
ti->item = item;
ti->expired = FALSE;
g_ptr_array_add(outstanding_TreeItem, ti);
return *(pushTreeItem(L,ti));
}
TreeItem* push_TreeItem(lua_State*L, TreeItem t) {
g_ptr_array_add(outstanding_TreeItem,t);
return pushTreeItem(L,t);
}