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fix SDL_GetJoystickInstanceID() return code upon failure 

Reference issue: https://github.com/libsdl-org/SDL/issues/7051
This commit is contained in:
Ozkan Sezer 2023-01-11 21:56:50 +03:00
parent 21a1508ceb
commit 0621a67350
2 changed files with 3 additions and 3 deletions
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4
include/SDL3/SDL_joystick.h
View File

@ -652,8 +652,8 @@ extern DECLSPEC SDL_bool SDLCALL SDL_JoystickConnected(SDL_Joystick *joystick);
* Get the instance ID of an opened joystick.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the instance ID of the specified joystick on success or a negative
* error code on failure; call SDL_GetError() for more information.
* \returns the instance ID of the specified joystick on success or 0 on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 3.0.0.
*

2
src/joystick/SDL_joystick.c
View File

@ -932,7 +932,7 @@ SDL_JoystickID SDL_GetJoystickInstanceID(SDL_Joystick *joystick)
SDL_LockJoysticks();
{
CHECK_JOYSTICK_MAGIC(joystick, -1);
CHECK_JOYSTICK_MAGIC(joystick, 0);
retval = joystick->instance_id;
}