Removed SDL_bool in favor of plain bool

We require stdbool.h in the build environment, so we might as well use the plain bool type.

If your environment doesn't have stdbool.h, this simple replacement will suffice:
typedef signed char bool;

include/SDL3/SDL_joystick.h

@@ -190,13 +190,13 @@ extern SDL_DECLSPEC void SDLCALL SDL_UnlockJoysticks(void) SDL_RELEASE(SDL_joyst
 /**
  * Return whether a joystick is currently connected.
  *
- * \returns SDL_TRUE if a joystick is connected, SDL_FALSE otherwise.
+ * \returns true if a joystick is connected, false otherwise.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_GetJoysticks
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_HasJoystick(void);
+extern SDL_DECLSPEC bool SDLCALL SDL_HasJoystick(void);
 
 /**
  * Get a list of currently connected joysticks.
@@ -450,11 +450,11 @@ typedef struct SDL_VirtualJoystickDesc
     void *userdata;     /**< User data pointer passed to callbacks */
     void (SDLCALL *Update)(void *userdata); /**< Called when the joystick state should be updated */
     void (SDLCALL *SetPlayerIndex)(void *userdata, int player_index); /**< Called when the player index is set */
-    SDL_bool (SDLCALL *Rumble)(void *userdata, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble); /**< Implements SDL_RumbleJoystick() */
-    SDL_bool (SDLCALL *RumbleTriggers)(void *userdata, Uint16 left_rumble, Uint16 right_rumble); /**< Implements SDL_RumbleJoystickTriggers() */
-    SDL_bool (SDLCALL *SetLED)(void *userdata, Uint8 red, Uint8 green, Uint8 blue); /**< Implements SDL_SetJoystickLED() */
-    SDL_bool (SDLCALL *SendEffect)(void *userdata, const void *data, int size); /**< Implements SDL_SendJoystickEffect() */
-    SDL_bool (SDLCALL *SetSensorsEnabled)(void *userdata, SDL_bool enabled); /**< Implements SDL_SetGamepadSensorEnabled() */
+    bool (SDLCALL *Rumble)(void *userdata, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble); /**< Implements SDL_RumbleJoystick() */
+    bool (SDLCALL *RumbleTriggers)(void *userdata, Uint16 left_rumble, Uint16 right_rumble); /**< Implements SDL_RumbleJoystickTriggers() */
+    bool (SDLCALL *SetLED)(void *userdata, Uint8 red, Uint8 green, Uint8 blue); /**< Implements SDL_SetJoystickLED() */
+    bool (SDLCALL *SendEffect)(void *userdata, const void *data, int size); /**< Implements SDL_SendJoystickEffect() */
+    bool (SDLCALL *SetSensorsEnabled)(void *userdata, bool enabled); /**< Implements SDL_SetGamepadSensorEnabled() */
     void (SDLCALL *Cleanup)(void *userdata); /**< Cleans up the userdata when the joystick is detached */
 } SDL_VirtualJoystickDesc;
 
@@ -486,24 +486,24 @@ extern SDL_DECLSPEC SDL_JoystickID SDLCALL SDL_AttachVirtualJoystick(const SDL_V
  *
  * \param instance_id the joystick instance ID, previously returned from
  *                    SDL_AttachVirtualJoystick().
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_AttachVirtualJoystick
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_DetachVirtualJoystick(SDL_JoystickID instance_id);
+extern SDL_DECLSPEC bool SDLCALL SDL_DetachVirtualJoystick(SDL_JoystickID instance_id);
 
 /**
  * Query whether or not a joystick is virtual.
  *
  * \param instance_id the joystick instance ID.
- * \returns SDL_TRUE if the joystick is virtual, SDL_FALSE otherwise.
+ * \returns true if the joystick is virtual, false otherwise.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_IsJoystickVirtual(SDL_JoystickID instance_id);
+extern SDL_DECLSPEC bool SDLCALL SDL_IsJoystickVirtual(SDL_JoystickID instance_id);
 
 /**
  * Set the state of an axis on an opened virtual joystick.
@@ -521,12 +521,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_IsJoystickVirtual(SDL_JoystickID instan
  * \param joystick the virtual joystick on which to set state.
  * \param axis the index of the axis on the virtual joystick to update.
  * \param value the new value for the specified axis.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value);
 
 /**
  * Generate ball motion on an opened virtual joystick.
@@ -541,12 +541,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualAxis(SDL_Joystick *jo
  * \param ball the index of the ball on the virtual joystick to update.
  * \param xrel the relative motion on the X axis.
  * \param yrel the relative motion on the Y axis.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualBall(SDL_Joystick *joystick, int ball, Sint16 xrel, Sint16 yrel);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickVirtualBall(SDL_Joystick *joystick, int ball, Sint16 xrel, Sint16 yrel);
 
 /**
  * Set the state of a button on an opened virtual joystick.
@@ -559,13 +559,13 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualBall(SDL_Joystick *jo
  *
  * \param joystick the virtual joystick on which to set state.
  * \param button the index of the button on the virtual joystick to update.
- * \param down SDL_TRUE if the button is pressed, SDL_FALSE otherwise.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \param down true if the button is pressed, false otherwise.
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualButton(SDL_Joystick *joystick, int button, SDL_bool down);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickVirtualButton(SDL_Joystick *joystick, int button, bool down);
 
 /**
  * Set the state of a hat on an opened virtual joystick.
@@ -579,12 +579,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualButton(SDL_Joystick *
  * \param joystick the virtual joystick on which to set state.
  * \param hat the index of the hat on the virtual joystick to update.
  * \param value the new value for the specified hat.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualHat(SDL_Joystick *joystick, int hat, Uint8 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickVirtualHat(SDL_Joystick *joystick, int hat, Uint8 value);
 
 /**
  * Set touchpad finger state on an opened virtual joystick.
@@ -599,19 +599,19 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualHat(SDL_Joystick *joy
  * \param touchpad the index of the touchpad on the virtual joystick to
  *                 update.
  * \param finger the index of the finger on the touchpad to set.
- * \param down SDL_TRUE if the finger is pressed, SDL_FALSE if the finger is
+ * \param down true if the finger is pressed, false if the finger is
  *             released.
  * \param x the x coordinate of the finger on the touchpad, normalized 0 to 1,
  *          with the origin in the upper left.
  * \param y the y coordinate of the finger on the touchpad, normalized 0 to 1,
  *          with the origin in the upper left.
  * \param pressure the pressure of the finger.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualTouchpad(SDL_Joystick *joystick, int touchpad, int finger, SDL_bool down, float x, float y, float pressure);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickVirtualTouchpad(SDL_Joystick *joystick, int touchpad, int finger, bool down, float x, float y, float pressure);
 
 /**
  * Send a sensor update for an opened virtual joystick.
@@ -628,12 +628,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickVirtualTouchpad(SDL_Joystick
  *                         the sensor reading.
  * \param data the data associated with the sensor reading.
  * \param num_values the number of values pointed to by `data`.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SendJoystickVirtualSensorData(SDL_Joystick *joystick, SDL_SensorType type, Uint64 sensor_timestamp, const float *data, int num_values);
+extern SDL_DECLSPEC bool SDLCALL SDL_SendJoystickVirtualSensorData(SDL_Joystick *joystick, SDL_SensorType type, Uint64 sensor_timestamp, const float *data, int num_values);
 
 /**
  * Get the properties associated with a joystick.
@@ -712,14 +712,14 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetJoystickPlayerIndex(SDL_Joystick *joystic
  * \param joystick the SDL_Joystick obtained from SDL_OpenJoystick().
  * \param player_index player index to assign to this joystick, or -1 to clear
  *                     the player index and turn off player LEDs.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_GetJoystickPlayerIndex
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickPlayerIndex(SDL_Joystick *joystick, int player_index);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickPlayerIndex(SDL_Joystick *joystick, int player_index);
 
 /**
  * Get the implementation-dependent GUID for the joystick.
@@ -841,12 +841,12 @@ extern SDL_DECLSPEC void SDLCALL SDL_GetJoystickGUIDInfo(SDL_GUID guid, Uint16 *
  * Get the status of a specified joystick.
  *
  * \param joystick the joystick to query.
- * \returns SDL_TRUE if the joystick has been opened, SDL_FALSE if it has not;
+ * \returns true if the joystick has been opened, false if it has not;
  *          call SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_JoystickConnected(SDL_Joystick *joystick);
+extern SDL_DECLSPEC bool SDLCALL SDL_JoystickConnected(SDL_Joystick *joystick);
 
 /**
  * Get the instance ID of an opened joystick.
@@ -946,7 +946,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetNumJoystickButtons(SDL_Joystick *joystick
  * \sa SDL_JoystickEventsEnabled
  * \sa SDL_UpdateJoysticks
  */
-extern SDL_DECLSPEC void SDLCALL SDL_SetJoystickEventsEnabled(SDL_bool enabled);
+extern SDL_DECLSPEC void SDLCALL SDL_SetJoystickEventsEnabled(bool enabled);
 
 /**
  * Query the state of joystick event processing.
@@ -955,14 +955,14 @@ extern SDL_DECLSPEC void SDLCALL SDL_SetJoystickEventsEnabled(SDL_bool enabled);
  * yourself and check the state of the joystick when you want joystick
  * information.
  *
- * \returns SDL_TRUE if joystick events are being processed, SDL_FALSE
+ * \returns true if joystick events are being processed, false
  *          otherwise.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_SetJoystickEventsEnabled
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_JoystickEventsEnabled(void);
+extern SDL_DECLSPEC bool SDLCALL SDL_JoystickEventsEnabled(void);
 
 /**
  * Update the current state of the open joysticks.
@@ -1008,11 +1008,11 @@ extern SDL_DECLSPEC Sint16 SDLCALL SDL_GetJoystickAxis(SDL_Joystick *joystick, i
  * \param joystick an SDL_Joystick structure containing joystick information.
  * \param axis the axis to query; the axis indices start at index 0.
  * \param state upon return, the initial value is supplied here.
- * \returns SDL_TRUE if this axis has any initial value, or SDL_FALSE if not.
+ * \returns true if this axis has any initial value, or false if not.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_GetJoystickAxisInitialState(SDL_Joystick *joystick, int axis, Sint16 *state);
+extern SDL_DECLSPEC bool SDLCALL SDL_GetJoystickAxisInitialState(SDL_Joystick *joystick, int axis, Sint16 *state);
 
 /**
  * Get the ball axis change since the last poll.
@@ -1026,14 +1026,14 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_GetJoystickAxisInitialState(SDL_Joystic
  * \param ball the ball index to query; ball indices start at index 0.
  * \param dx stores the difference in the x axis position since the last poll.
  * \param dy stores the difference in the y axis position since the last poll.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_GetNumJoystickBalls
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_GetJoystickBall(SDL_Joystick *joystick, int ball, int *dx, int *dy);
+extern SDL_DECLSPEC bool SDLCALL SDL_GetJoystickBall(SDL_Joystick *joystick, int ball, int *dx, int *dy);
 
 /**
  * Get the current state of a POV hat on a joystick.
@@ -1066,13 +1066,13 @@ extern SDL_DECLSPEC Uint8 SDLCALL SDL_GetJoystickHat(SDL_Joystick *joystick, int
  * \param joystick an SDL_Joystick structure containing joystick information.
  * \param button the button index to get the state from; indices start at
  *               index 0.
- * \returns SDL_TRUE if the button is pressed, SDL_FALSE otherwise.
+ * \returns true if the button is pressed, false otherwise.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_GetNumJoystickButtons
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_GetJoystickButton(SDL_Joystick *joystick, int button);
+extern SDL_DECLSPEC bool SDLCALL SDL_GetJoystickButton(SDL_Joystick *joystick, int button);
 
 /**
  * Start a rumble effect.
@@ -1089,11 +1089,11 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_GetJoystickButton(SDL_Joystick *joystic
  * \param high_frequency_rumble the intensity of the high frequency (right)
  *                              rumble motor, from 0 to 0xFFFF.
  * \param duration_ms the duration of the rumble effect, in milliseconds.
- * \returns SDL_TRUE, or SDL_FALSE if rumble isn't supported on this joystick.
+ * \returns true, or false if rumble isn't supported on this joystick.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_RumbleJoystick(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+extern SDL_DECLSPEC bool SDLCALL SDL_RumbleJoystick(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
 
 /**
  * Start a rumble effect in the joystick's triggers.
@@ -1115,14 +1115,14 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_RumbleJoystick(SDL_Joystick *joystick,
  * \param right_rumble the intensity of the right trigger rumble motor, from 0
  *                     to 0xFFFF.
  * \param duration_ms the duration of the rumble effect, in milliseconds.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_RumbleJoystick
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_RumbleJoystickTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble, Uint32 duration_ms);
+extern SDL_DECLSPEC bool SDLCALL SDL_RumbleJoystickTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble, Uint32 duration_ms);
 
 /**
  * Update a joystick's LED color.
@@ -1137,12 +1137,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_RumbleJoystickTriggers(SDL_Joystick *jo
  * \param red the intensity of the red LED.
  * \param green the intensity of the green LED.
  * \param blue the intensity of the blue LED.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue);
+extern SDL_DECLSPEC bool SDLCALL SDL_SetJoystickLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue);
 
 /**
  * Send a joystick specific effect packet.
@@ -1150,12 +1150,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SetJoystickLED(SDL_Joystick *joystick,
  * \param joystick the joystick to affect.
  * \param data the data to send to the joystick.
  * \param size the size of the data to send to the joystick.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_SendJoystickEffect(SDL_Joystick *joystick, const void *data, int size);
+extern SDL_DECLSPEC bool SDLCALL SDL_SendJoystickEffect(SDL_Joystick *joystick, const void *data, int size);
 
 /**
  * Close a joystick previously opened with SDL_OpenJoystick().