static gboolean
tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
{
- PsppireSpreadsheetModel *spreadsheetModel =
- PSPPIRE_SPREADSHEET_MODEL (model);
+ PsppireSpreadsheetModel *spreadsheetModel = PSPPIRE_SPREADSHEET_MODEL (model);
+ g_assert (iter);
g_return_val_if_fail (iter->stamp == spreadsheetModel->stamp, FALSE);
- if (iter == NULL)
- return FALSE;
-
if ((intptr_t) iter->user_data >= spreadsheetModel->spreadsheet->n_sheets - 1)
{
iter->user_data = NULL;