shithub: choc

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Display a meaningful message when trying to start with an invalid
Joystick ID.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 890

--- a/src/i_joystick.c

+++ b/src/i_joystick.c

@@ -75,6 +75,13 @@

         return;

     }

+    if (joystick_index < 0 || joystick_index >= SDL_NumJoysticks())

+    {

+        printf("I_InitJoystick: Invalid joystick ID: %i\n", joystick_index);

+        SDL_QuitSubSystem(SDL_INIT_JOYSTICK);

+        return;

+    }

+

     // Open the joystick

     joystick = SDL_JoystickOpen(joystick_index);