Fixed constness of joystick data.

include/GLFW/glfw3.h

@@ -1973,7 +1973,7 @@ GLFWAPI int glfwJoystickPresent(int joy);
  *
  *  @ingroup input
  */
-GLFWAPI float* glfwGetJoystickAxes(int joy, int* count);
+GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count);
 
 /*! @brief Returns the values of all buttons of the specified joystick.
  *  @param[in] joy The joystick to query.
@@ -1985,7 +1985,7 @@ GLFWAPI float* glfwGetJoystickAxes(int joy, int* count);
  *
  *  @ingroup input
  */
-GLFWAPI unsigned char* glfwGetJoystickButtons(int joy, int* count);
+GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count);
 
 /*! @brief Returns the name of the specified joystick.
  *

src/cocoa_joystick.m

@@ -463,7 +463,7 @@ int _glfwPlatformJoystickPresent(int joy)
     return _glfw.ns.joysticks[joy].present;
 }
 
-float* _glfwPlatformGetJoystickAxes(int joy, int* count)
+const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
 {
     _GLFWjoy* joystick = _glfw.ns.joysticks + joy;
 
@@ -476,7 +476,7 @@ float* _glfwPlatformGetJoystickAxes(int joy, int* count)
     return joystick->axes;
 }
 
-unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
+const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
 {
     _GLFWjoy* joystick = _glfw.ns.joysticks + joy;
 

src/internal.h

@@ -418,12 +418,12 @@ int _glfwPlatformJoystickPresent(int joy);
 /*! @copydoc glfwGetJoystickAxes
  *  @ingroup platform
  */
-float* _glfwPlatformGetJoystickAxes(int joy, int* count);
+const float* _glfwPlatformGetJoystickAxes(int joy, int* count);
 
 /*! @copydoc glfwGetJoystickButtons
  *  @ingroup platform
  */
-unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count);
+const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count);
 
 /*! @copydoc glfwGetJoystickName
  *  @ingroup platform

src/joystick.c

@@ -48,7 +48,7 @@ GLFWAPI int glfwJoystickPresent(int joy)
     return _glfwPlatformJoystickPresent(joy);
 }
 
-GLFWAPI float* glfwGetJoystickAxes(int joy, int* count)
+GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
 {
     *count = 0;
 
@@ -63,7 +63,7 @@ GLFWAPI float* glfwGetJoystickAxes(int joy, int* count)
     return _glfwPlatformGetJoystickAxes(joy, count);
 }
 
-GLFWAPI unsigned char* glfwGetJoystickButtons(int joy, int* count)
+GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
 {
     *count = 0;
 

src/win32_joystick.c

@@ -84,7 +84,7 @@ int _glfwPlatformJoystickPresent(int joy)
     return GL_TRUE;
 }
 
-float* _glfwPlatformGetJoystickAxes(int joy, int* count)
+const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
 {
     JOYCAPS jc;
     JOYINFOEX ji;
@@ -117,7 +117,7 @@ float* _glfwPlatformGetJoystickAxes(int joy, int* count)
     return axes;
 }
 
-unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
+const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
 {
     JOYCAPS jc;
     JOYINFOEX ji;

src/x11_joystick.c

@@ -241,7 +241,7 @@ int _glfwPlatformJoystickPresent(int joy)
     return _glfw.x11.joystick[joy].present;
 }
 
-float* _glfwPlatformGetJoystickAxes(int joy, int* count)
+const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
 {
     pollJoystickEvents();
 
@@ -252,7 +252,7 @@ float* _glfwPlatformGetJoystickAxes(int joy, int* count)
     return _glfw.x11.joystick[joy].axes;
 }
 
-unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
+const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
 {
     pollJoystickEvents();
 

tests/joysticks.c

@@ -138,8 +138,8 @@ static void refresh_joysticks(void)
 
         if (glfwJoystickPresent(GLFW_JOYSTICK_1 + i))
         {
-            float* axes;
-            unsigned char* buttons;
+            const float* axes;
+            const unsigned char* buttons;
             int axis_count, button_count;
 
             free(j->name);