allocation unit (SIZE is already guaranteed to be so).*/
new_size = HEAP_ADJUST_SIZE (new_size + MALLOC_HEADER_SIZE);
+ if (new_size < sizeof (struct heap_free_area))
+ /* Because we sometimes must use a freed block to hold a free-area node,
+ we must make sure that every allocated block can hold one. */
+ new_size = HEAP_ADJUST_SIZE (sizeof (struct heap_free_area));
+
MALLOC_DEBUG (1, "realloc: 0x%lx, %d (base = 0x%lx, total_size = %d)",
(long)mem, new_size, (long)base_mem, size);