34 /**

    35  * Check whether we can allocate an item in this pool. This to prevent the

    36  * need to actually construct the object and then destructing it again,

    37  * which could be *very* costly.

    38  * @return true if and only if at least ONE item can be allocated.

    39  */

    40 template<typename T, typename Tid, OldMemoryPool<T> *Tpool> bool PoolItem<T, Tid, Tpool>::CanAllocateItem()

    41 {

    42 	uint last_minus_one = Tpool->GetSize() - 1;

    43 

    44 	for (T *t = Tpool->Get(Tpool->first_free_index); t != NULL; t = (t->index < last_minus_one) ? Tpool->Get(t->index + 1U) : NULL) {

    45 		if (!t->IsValid()) return true;

    46 		Tpool->first_free_index = t->index;

    47 	}

    48 

    49 	/* Check if we can add a block to the pool */

    50 	if (Tpool->AddBlockToPool()) return CanAllocateItem();

    51 

    52 	return false;

    53 }

    54