unsigned long long const dataSize = d->Size - ((d->End - d->Buffer) + 1);
if (d->Fd.Read(d->End, dataSize, &Actual) == false)
return false;
unsigned long long const dataSize = d->Size - ((d->End - d->Buffer) + 1);
if (d->Fd.Read(d->End, dataSize, &Actual) == false)
return false;