- if (r->ws == NULL) {
- fprintf(stderr, "illegal ws\n");
- abort();
- }
- if (r->ws->cur_layout == NULL) {
- fprintf(stderr, "illegal cur_layout\n");
- abort();
- }
- if (r->ws->cur_layout->l_stack == NULL) {
- fprintf(stderr, "illegal l_stack\n");
- abort();
- }