adj_head = ifg->adj_heads[irn->node_idx];
if (!adj_head)
{
- adj_head = obstack_alloc(&ifg->obst, sizeof(*adj_head));
+ adj_head = OALLOC(&ifg->obst, adj_head_t);
adj_head->irn = irn;
adj_head->first_adj_element = NULL;
adj_head->degree = 0;
{
adj_element_t *element = NULL;
- element = obstack_alloc(&ifg->obst, sizeof(*element));
+ element = OALLOC(&ifg->obst, adj_element_t);
element->next_adj_element = NULL;
element->neighbour = irn;