Using fread inside File::getNByte.

ByteStreamPtr File::getNByte(dword N)

{

    dword i = 0;

    int c1, c2;

	if(N == 0)

		return ByteStreamPtr(new ByteStream(0, bigendian));

    //solo un numero pari di byte

    //if(N%2 != 0 || !fileOpened) return NULL;

    if(closed) return NULL;

    //ByteStreamPtr b = new ByteStream(N, bigendian);

    byte* stream = (byte*) new byte[N];

	size_t result = fread(stream, 1, N, fp);

	byte_read += result;

	if(result != N)

		eof = true;

    for(i = 0; i<N && (c1 = getByte()) != EOI && (c2 = getByte()) != EOI; i+=2)

    {

        //File::byte_read += 2;

        stream[i] = c1;

        stream[i+1] = c2;

        /*        if(bigendian)

                {

                    //se la  macchina e' bigendian, non e' necessario effettuare scambi di byte

                    b->stream[i] = c1;

                    b->stream[i+1] = c2;

                }

                else                     //little endian

                {

                    //se la macchina lavora in little endian, per "far tornare i conti" e' necessario

                    //invertire i byte letti

                    b->stream[i] = c2;

                    b->stream[i+1] = c1;

                }*/

    }

    /*if(i != N)

    {

        ByteStreamPtr b1 = new ByteStream(i, bigendian);

        for(int j = 0; j<i; j++)

            b1->stream[j] = b->stream[j];

        delete b;

        b = b1;

    } */

    //for(; i<N; i++)

    //	b->stream[i] = 0;

    //return b;

    return ByteStreamPtr(new ByteStream(stream, i, bigendian, false));

    return ByteStreamPtr(new ByteStream(stream, result, bigendian, false));

}