Method Write

UTCP/src/UT_Queue.cpp:206–227

Write Writes data to the write pointer and adjusts the write pointer. PARAM: pbBuffer - pointer to the buffer to receive write data count - the number of bytes to write RETURN: The actual number of bytes written ************************************************/

    The actual number of bytes written
************************************************/
int CUT_FIFO_Queue::Write(LPBYTE pbBuffer, unsigned int count) {

    int nNumToWrite = (std::min)(GetFreeSize(), (int)count);
    int nNumWritten = 0;

    if(m_iWritePointer + nNumToWrite > m_cbBuffer) {

        int nNumAtEnd = m_cbBuffer - m_iWritePointer;

        memcpy(m_pbBuffer + m_iWritePointer, pbBuffer, nNumAtEnd);
        nNumWritten += nNumAtEnd;
        nNumToWrite -= nNumAtEnd;
        m_iWritePointer = 0 ;
    }

    memcpy(m_pbBuffer + m_iWritePointer, pbBuffer + nNumWritten, nNumToWrite);

    nNumWritten += nNumToWrite;
    m_iWritePointer += nNumToWrite;

    return nNumWritten;
}