X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fvideo%2Fsdl%2Fsdl_texture.hpp;h=97c38cb9531813df14ecccaacb71028178d59108;hb=c1277f5b7db9f55d1d28f658b4e804f32b76f0ce;hp=9f3a66737acde77c648258b897de88755d0eecca;hpb=12a28b64dcce9c7ff706451b4f3aecd201cc8a5f;p=supertux.git

diff --git a/src/video/sdl/sdl_texture.hpp b/src/video/sdl/sdl_texture.hpp
index 9f3a66737..97c38cb95 100644
--- a/src/video/sdl/sdl_texture.hpp
+++ b/src/video/sdl/sdl_texture.hpp
@@ -60,16 +60,22 @@ protected:
       memset(data, 0, CACHE_SIZE * sizeof(SDL_Surface *));
     }
 
+    ColorCache(const ColorCache&);
+
     ~ColorCache()
     {
       std::for_each(data, data + CACHE_SIZE, SDL_FreeSurface);
     }
 
-    void operator = (const ColorCache &other)
+    ColorCache& operator=(const ColorCache &other)
     {
-      std::for_each(other.data, other.data + CACHE_SIZE, ref);
-      std::for_each(data, data + CACHE_SIZE, SDL_FreeSurface);
-      memcpy(data, other.data, CACHE_SIZE * sizeof(SDL_Surface *));
+      if (this != &other)
+      {
+        std::for_each(other.data, other.data + CACHE_SIZE, ref);
+        std::for_each(data, data + CACHE_SIZE, SDL_FreeSurface);
+        memcpy(data, other.data, CACHE_SIZE * sizeof(SDL_Surface *));
+      }
+      return *this;
     }
 
     SDL_Surface *&operator [] (const Color &color)