t = timeGetTime();
    int dataleft, dataleft2 = fileSizeInt;
    DWORD curBytesRead;
    CircularBuffer circBuf(sp->initSeqNum);

    int head, tail, seqNum;

    head = sp->initSeqNum;
    tail = sp->initSeqNum;
    seqNum = sp->initSeqNum;

    for (int i = tail; i <= (sp->fixedWindowSize + tail); i++)
    {
        if (dataleft2 > MAX_PKT_SIZE)
        {
            Packet tempPacket;
            char *tempB = new char[MAX_PKT_SIZE];

            FINHeader* finHeader = (FINHeader*) &tempB;

            finHeader->PT = sp->protocol;
            finHeader->SYN = 0;
            finHeader->OK = 1;
            finHeader->FIN = 0;
            finHeader->seq = seqNum;

            curBytesRead += MAX_PKT_SIZE;

            memcpy(sizeof(FINHeader) + tempPacket.B, B, curBytesRead);

            seqNum++;
            dataleft2 -= MAX_PKT_SIZE;

            circBuf.circularBuffer.push_back(tempPacket);
        }
        else
        {
            Packet tempPacket;
            char *tempB = new char[sizeof(FINHeader) + dataleft + 1];

            FINHeader* finHeader = (FINHeader*) tempB;

            finHeader->PT = sp->protocol;
            finHeader->SYN = 0;
            finHeader->OK = 1;
            finHeader->FIN = 0;
            finHeader->seq = seqNum;

            curBytesRead += (sizeof(FINHeader) + dataleft + 1);

            memcpy(sizeof(FINHeader) + tempPacket.B, B, dataleft2);

            seqNum++;
            dataleft2 -= dataleft2;

            circBuf.circularBuffer.push_back(tempPacket);
        }
    }