SDL function corrupt?

SDL Development
1

SDL 1 or 2, there is no SDL_JoystickOpened in SDL 2

2

I’m reading the same book as you. It’s from June 2013 when SDL2 had not yet been released; clearly the API changed.
Here’s how I did it:

Code:

void InputHandler::initialiseJoysticks()
{
if ( SDL_WasInit( SDL_INIT_JOYSTICK ) == 0 )
SDL_InitSubSystem( SDL_INIT_JOYSTICK );

if ( SDL_NumJoysticks() > 0 )
{
    for ( int i = 0; i < SDL_NumJoysticks(); i++ )
    {
        SDL_Joystick * joy = SDL_JoystickOpen( i );
        if ( SDL_JoystickGetAttached( joy ) == 1 )
        {
            m_joysticks.push_back( joy );
            m_joystickValues.push_back( std::make_pair( new Vector2D( 0, 0 ), new Vector2D( 0, 0 ) ) ); // add our pair

            std::vector<bool> tempButtons;
            for ( int j = 0; j != SDL_JoystickNumButtons( joy ); j++ )
                tempButtons.push_back( false );
            m_buttonStates.push_back( tempButtons );
        }
        else
            std::cout << SDL_GetError();
    }

    SDL_JoystickEventState( SDL_ENABLE );
    m_bJoysticksInitialised = true;
}

std::cout << "Initialised " << m_joysticks.size() << " joystick(s)" << std::endl;

}