private void add_to_free_list(malloc_meta *new_)
{
malloc_meta **list_head = &List_heads[order(GET_SIZE(new_)) - MIN_SHIFT];
SET_FREE(new_);
new_->Data.Free.Next = *list_head;
new_->Data.Free.Prev = null;
if ((*list_head) != null)
{
(*list_head)->Data.Free.Prev = new_;
}
*list_head = new_;
}
void add_to_free_list(malloc_meta *new_)
{
malloc_meta **list_head = &list_heads[order(GET_SIZE(new_)) - MIN_SHIFT];;
SET_FREE(new_);
new_->data.free.next = *list_head;
new_->data.free.prev = null;
if ((*list_head) != null)
{
(*list_head)->data.free.prev = new_;
}
*list_head = new_;
}
private void remove_from_free_list(malloc_meta *to_del)
{
malloc_meta **list_head = &List_heads[order(GET_SIZE(to_del)) - MIN_SHIFT];
SET_INUSE(to_del);
if (*list_head == to_del)
{
*list_head = to_del->Data.Free.Next;
}
if (to_del->Data.Free.Next != null)
{
to_del->Data.Free.Next->Data.Free.Prev = to_del->Data.Free.Prev;
}
if (to_del->Data.Free.Prev != null)
{
to_del->Data.Free.Prev->Data.Free.Next = to_del->Data.Free.Next;
}
}
