Method open

src/SFML/Window/NetBSD/JoystickImpl.cpp:206–243

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bool JoystickImpl::open(unsigned int index)
{
    if (isConnected(index))
    {
        // Open the joystick's file descriptor (read-only and non-blocking)
        m_file = ::open(plugged[index].c_str(), O_RDONLY | O_NONBLOCK);
        if (m_file >= 0)
        {
            // Reset the joystick state
            m_state = JoystickState();

            // Get the report descriptor
            m_desc = hid_get_report_desc(m_file);
            if (!m_desc)
            {
                ::close(m_file);
                return false;
            }

            // And the id
            if (ioctl(m_file, USB_GET_REPORT_ID, &m_id) < 0)
            {
                ::close(m_file);
                return false;
            }

            // Then allocate a buffer for data retrieval
            m_length = hid_report_size(m_desc, hid_input, m_id);
            m_buffer.resize(m_length);

            m_state.connected = true;

            return true;
        }
    }

    return false;
}


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