Method serial_write

serial_port/serial_port.cpp:553–590

---------------------------------------------------------*\ | serial_write | | Writes bytes to the serial port from | | Returns the number of bytes actually written | | Does not check for null-termination, so if is | | greater than the number of bytes in , it will | | read past and ma

|    read past <buffer> and may cause a segfault            |
\*---------------------------------------------------------*/
int serial_port::serial_write(char * buffer, int length)
{
    /*-----------------------------------------------------*\
    | Windows-specific code path for serial write           |
    \*-----------------------------------------------------*/
#ifdef _WIN32
    DWORD byteswritten;
    WriteFile(file_descriptor, buffer, length, &byteswritten, NULL);
    return byteswritten;
#endif

    /*-----------------------------------------------------*\
    | Linux-specific code path for serial write             |
    \*-----------------------------------------------------*/
#ifdef __linux__
    int byteswritten;
    tcdrain(file_descriptor);
    byteswritten = write(file_descriptor, buffer, length);
    tcdrain(file_descriptor);
    return byteswritten;
#endif

    /*-----------------------------------------------------*\
    | MacOS-specific code path for serial write             |
    \*-----------------------------------------------------*/
#ifdef __APPLE__
    int byteswritten;
    tcdrain(file_descriptor);
    byteswritten = write(file_descriptor, buffer, length);
    tcdrain(file_descriptor);
    return byteswritten;
#endif

    /*-----------------------------------------------------*\
    | Return 0 on unsupported platforms                     |
    \*-----------------------------------------------------*/
    return 0;
}

/*---------------------------------------------------------*\
|  serial_flush                                             |