public long Reallocate(long pos, long oldSize, long newSize)
{
StorageImpl db = (StorageImpl)Storage;
if (((newSize + StorageImpl.dbAllocationQuantum - 1) & ~(StorageImpl.dbAllocationQuantum - 1))
> ((oldSize + StorageImpl.dbAllocationQuantum - 1) & ~(StorageImpl.dbAllocationQuantum - 1)))
{
long newPos = db.allocate(newSize, 0);
db.cloneBitmap(pos, oldSize);
db.free(pos, oldSize);
pos = newPos;
}
return(pos);
}