Don't warp the mouse when a video mode hasn't been set

libsdl-org · Feb 7, 2003 · 6bfc19e · 6bfc19e
1 parent 2cd27b5
commit 6bfc19e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/video/SDL_cursor.c b/src/video/SDL_cursor.c
@@ -295,6 +295,11 @@ void SDL_WarpMouse (Uint16 x, Uint16 y)
 	SDL_VideoDevice *video = current_video;
 	SDL_VideoDevice *this  = current_video;
 
+	if ( !video || !SDL_PublicSurface ) {
+		SDL_SetError("A video mode must be set before warping mouse");
+		return;
+	}
+
 	/* If we have an offset video mode, offset the mouse coordinates */
 	x += (this->screen->offset % this->screen->pitch) /
 	      this->screen->format->BytesPerPixel;