Function queue_remove

mysys/queues.c:251–259

	/* Returns pointer to removed element */

uchar *queue_remove(register QUEUE *queue, uint idx)
{
  uchar *element;
  DBUG_ASSERT(idx < queue->max_elements);
  element= queue->root[++idx];  /* Intern index starts from 1 */
  queue->root[idx]= queue->root[queue->elements--];
  _downheap(queue, idx);
  return element;
}

	/* Fix when element on top has been replaced */