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Added handling of NULL as input for SDL_GameControllerMapping().

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For consistency with the similar functions getting SDL_GameController as input.
Also NULL is no SDL_GameController and therefore can not have a mapping anyway.
This commit is contained in:
Philipp Wiesemann 2014-10-26 17:53:16 +01:00
parent 81958288cc
commit 8869fe78be
1 changed files with 4 additions and 0 deletions
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4
src/joystick/SDL_gamecontroller.c
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@ -746,6 +746,10 @@ SDL_GameControllerMappingForGUID(SDL_JoystickGUID guid)
char * char *
SDL_GameControllerMapping(SDL_GameController * gamecontroller) SDL_GameControllerMapping(SDL_GameController * gamecontroller)
{ {
if (!gamecontroller) {
return NULL;
}
return SDL_GameControllerMappingForGUID(gamecontroller->mapping.guid); return SDL_GameControllerMappingForGUID(gamecontroller->mapping.guid);
} }