X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_internal.h;h=ea311b6be9014a8d9ade3785e0548c2004d5bc65;hb=13bc069810e3f513a9aa6cd44e8a37d02c7baabf;hp=9cfe936f51c121ddd54c35db1e1ed7be33eedd00;hpb=224638013a9db16bbbe6e3ff05d6cac9a939c262;p=freeglut

diff --git a/src/freeglut_internal.h b/src/freeglut_internal.h
index 9cfe936..ea311b6 100644
--- a/src/freeglut_internal.h
+++ b/src/freeglut_internal.h
@@ -389,13 +389,14 @@ struct tagSFG_WindowState
  *
  */
 #define INVOKE_WCB(window,cbname,arg_list)    \
+do                                            \
 {                                             \
     if( FETCH_WCB( window, cbname ) )         \
     {                                         \
         fgSetWindow( &window );               \
         FETCH_WCB( window, cbname ) arg_list; \
     }                                         \
-}
+} while( 0 )
 
 /*
  * The window callbacks the user can supply us with. Should be kept portable.
@@ -697,6 +698,7 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
 
 /*
  * Window creation, opening, closing and destruction.
+ * Also CallBack clearing/initialization.
  * Defined in freeglut_structure.c, freeglut_window.c.
  */
 SFG_Window* fgCreateWindow( SFG_Window* parent, const char* title,
@@ -710,6 +712,7 @@ void        fgAddToWindowDestroyList ( SFG_Window* window,
                                        GLboolean needToClose ) ;
 void        fgCloseWindows ();
 void        fgDestroyWindow( SFG_Window* window, GLboolean needToClose );
+void        fgClearCallBacks( SFG_Window *window );
 
 /*
  * Menu creation and destruction. Defined in freeglut_structure.c