... actually update.

libs/SDL2/include/SDL_video.h

@@ -83,6 +83,7 @@ typedef struct
  *  \sa SDL_SetWindowPosition()
  *  \sa SDL_SetWindowSize()
  *  \sa SDL_SetWindowBordered()
+ *  \sa SDL_SetWindowResizable()
  *  \sa SDL_SetWindowTitle()
  *  \sa SDL_ShowWindow()
  */
@@ -121,7 +122,7 @@ typedef enum
 /**
  *  \brief Used to indicate that you don't care what the window position is.
  */
-#define SDL_WINDOWPOS_UNDEFINED_MASK    0x1FFF0000
+#define SDL_WINDOWPOS_UNDEFINED_MASK    0x1FFF0000u
 #define SDL_WINDOWPOS_UNDEFINED_DISPLAY(X)  (SDL_WINDOWPOS_UNDEFINED_MASK|(X))
 #define SDL_WINDOWPOS_UNDEFINED         SDL_WINDOWPOS_UNDEFINED_DISPLAY(0)
 #define SDL_WINDOWPOS_ISUNDEFINED(X)    \
@@ -130,7 +131,7 @@ typedef enum
 /**
  *  \brief Used to indicate that the window position should be centered.
  */
-#define SDL_WINDOWPOS_CENTERED_MASK    0x2FFF0000
+#define SDL_WINDOWPOS_CENTERED_MASK    0x2FFF0000u
 #define SDL_WINDOWPOS_CENTERED_DISPLAY(X)  (SDL_WINDOWPOS_CENTERED_MASK|(X))
 #define SDL_WINDOWPOS_CENTERED         SDL_WINDOWPOS_CENTERED_DISPLAY(0)
 #define SDL_WINDOWPOS_ISCENTERED(X)    \
@@ -449,7 +450,7 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
  *               ::SDL_WINDOW_MINIMIZED,     ::SDL_WINDOW_INPUT_GRABBED,
  *               ::SDL_WINDOW_ALLOW_HIGHDPI.
  *
- *  \return The id of the window created, or zero if window creation failed.
+ *  \return The created window, or NULL if window creation failed.
  *
  *  If the window is created with the SDL_WINDOW_ALLOW_HIGHDPI flag, its size
  *  in pixels may differ from its size in screen coordinates on platforms with
@@ -468,7 +469,7 @@ extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindow(const char *title,
  *
  *  \param data A pointer to driver-dependent window creation data
  *
- *  \return The id of the window created, or zero if window creation failed.
+ *  \return The created window, or NULL if window creation failed.
  *
  *  \sa SDL_DestroyWindow()
  */
@@ -706,6 +707,23 @@ extern DECLSPEC void SDLCALL SDL_GetWindowMaximumSize(SDL_Window * window,
 extern DECLSPEC void SDLCALL SDL_SetWindowBordered(SDL_Window * window,
                                                    SDL_bool bordered);
 
+/**
+ *  \brief Set the user-resizable state of a window.
+ *
+ *  This will add or remove the window's SDL_WINDOW_RESIZABLE flag and
+ *  allow/disallow user resizing of the window. This is a no-op if the
+ *  window's resizable state already matches the requested state.
+ *
+ *  \param window The window of which to change the resizable state.
+ *  \param resizable SDL_TRUE to allow resizing, SDL_FALSE to disallow.
+ *
+ *  \note You can't change the resizable state of a fullscreen window.
+ *
+ *  \sa SDL_GetWindowFlags()
+ */
+extern DECLSPEC void SDLCALL SDL_SetWindowResizable(SDL_Window * window,
+                                                    SDL_bool resizable);
+
 /**
  *  \brief Show a window.
  *
@@ -789,7 +807,7 @@ extern DECLSPEC int SDLCALL SDL_UpdateWindowSurface(SDL_Window * window);
  *  \return 0 on success, or -1 on error.
  *
  *  \sa SDL_GetWindowSurface()
- *  \sa SDL_UpdateWindowSurfaceRect()
+ *  \sa SDL_UpdateWindowSurface()
  */
 extern DECLSPEC int SDLCALL SDL_UpdateWindowSurfaceRects(SDL_Window * window,
                                                          const SDL_Rect * rects,
@@ -1017,7 +1035,7 @@ extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_Window * window);
 
 
 /**
- *  \brief Returns whether the screensaver is currently enabled (default on).
+ *  \brief Returns whether the screensaver is currently enabled (default off).
  *
  *  \sa SDL_EnableScreenSaver()
  *  \sa SDL_DisableScreenSaver()