@@ -115,7 +115,7 @@ STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int n
 struct stbrp_rect
 {
    // reserved for your use:
-   int            id;
+   void            *id;
 
    // input:
    stbrp_coord    w, h;