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Check for NULL joystick in SDL_JoystickGetGUID()

This commit is contained in:
Sam Lantinga 2013-10-06 13:49:23 -07:00
parent 90a219a375
commit 8f46bcfd6d
1 changed files with 5 additions and 0 deletions
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5
src/joystick/SDL_joystick.c
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@ -763,6 +763,11 @@ SDL_JoystickGUID SDL_JoystickGetDeviceGUID(int device_index)
/* return the guid for this opened device */ /* return the guid for this opened device */
SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick * joystick) SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick * joystick)
{ {
if (!SDL_PrivateJoystickValid(joystick)) {
SDL_JoystickGUID emptyGUID;
SDL_zero( emptyGUID );
return emptyGUID;
}
return SDL_SYS_JoystickGetGUID( joystick ); return SDL_SYS_JoystickGetGUID( joystick );
} }