gint column,
GValue *value)
{
+#ifndef G_DISABLE_CHECKS
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
g_return_if_fail (column < 2);
g_return_if_fail (view_model->stamp == iter->stamp);
g_return_if_fail (iter->user_data != NULL);
+#endif
if (column == 0)
{
view_column_model_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
+#ifndef G_DISABLE_CHECKS
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
g_return_val_if_fail (view_model->stamp == iter->stamp, FALSE);
g_return_val_if_fail (iter->user_data != NULL, FALSE);
+#endif
iter->user_data = ((GList *)iter->user_data)->next;
return iter->user_data != NULL;