void free(void *ptr)
{
t_block *b;
if (ptr == NULL)
return ;
b = search_ptr(ptr);
if (b == NULL)
return ;
b = fusion_block(b);
check_page(b);
}
void free_exec(void *ptr)
{
t_block *b;
t_region *r;
if (!ptr)
return ;
if ((r = get_valid_region(ptr)) != NULL)
{
b = get_block(ptr);
b->is_free = TRUE;
if (b->prev && b->prev->is_free)
b = fusion_block(b->prev);
if (b->next && b->next->is_free)
fusion_block(b);
if (!b->next && !b->prev)
{
if (r->type == LARGE || (r->prev || r->next))
free_region(r);
}
}
}