struct Daten 
{
	int i;
	float f;
	double d;
	char c;	

	Daten(int i )
	{
		this->i = i;
		f = i;
		d = i;
	}
	bool operator==(const Daten& a) const
	{
		return (this->i==a.i && this->f == a.f && this->d == a.d && this->c == a.c);
	}
};

bool SmartStructBuffer::WriteToFile(const std::string&  filename)
{
	fstream myFile( filename,ios::binary | ios::out);
	if(!myFile.is_open())
	{
		cerr << "Fehler beim Цffnen der Datei " << &filename << endl;
		return false;
	}
	else
	{
		myFile.write((char*)&m_maxSize, sizeof(m_maxSize));
		myFile.write((char*)&m_size, sizeof(m_size));
		myFile.write(m_buff, m_size );
	}
	myFile.close();
	return true;
}
bool SmartStructBuffer::ReadFromFile(const std::string& filename)
{
	fstream myFile (filename, ios::binary | ios::in);
	if(!myFile.is_open())
	{
		cerr << "Fehler beim Цffnen der Datei " << &filename << endl;
		return false;
	}
	else
	{
		myFile.read((char*)&m_maxSize, sizeof(m_maxSize));
		myFile.read((char*)&m_size, m_size);

		delete[] m_buff;

		m_buff = new char [m_maxSize];

		myFile.read(m_buff, m_size);
	}
	myFile.close();
	return true;
}

int SmartStructBuffer::ReadFromFileAtPos(const std::string& filename, int datenStrNr, int anzahl, Daten** pOutDaten)
{
	fstream myFile (filename, ios::binary | ios::in);
	if(!myFile.is_open())
	{
		cerr << "Fehler beim &#214;ffnen der Datei " << &filename << endl;
		return false;
	}
	else
	{
		myFile.read((char*)&m_maxSize, sizeof(m_maxSize));
		myFile.read((char*)&m_size, m_size);

	}

	return 0;
}

int main()
{
	SmartStructBuffer sb(sizeof(Daten));

	const int IT = 5;
	for(int i = 0; i < IT; i++)
	{
		Daten s(i);
		sb.Add(s);
	}
	const std::string& pFILENAME = "C:\\Users\\Inna\\Documents\\01.bin";
	sb.WriteToFile(pFILENAME);

	SmartStructBuffer sb2(123);
	sb2.ReadFromFile(pFILENAME);	

	assert(sb.GetmaxSize() == sb2.GetmaxSize());

	for(int i =0; i < sb2.GetSize()/sizeof(SmartStructBuffer); i++)
	{
		assert(sb[i] == sb2[i]);
	}

	Daten* pOut;
	//ReadFromFileAtPos(pFILENAME,3,2, &pOut);
	return 0;
}