X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_driver.c;h=5b7a89e386a5170c8ac4ebb5095d059a99444621;hp=27f9fbad49fb2f4a1a4d03a6bad2f4c9592991f0;hb=1bdf9cf11520edfe2b931ead0335e7a1734792a8;hpb=7c4bc0fa99a1be37a14aa19a5943a549570954c4

diff --git a/menu/m_driver.c b/menu/m_driver.c
index 27f9fbad..5b7a89e3 100644
--- a/menu/m_driver.c
+++ b/menu/m_driver.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -37,7 +37,7 @@
 
 #include "menu.priv.h"
 
-MODULE_ID("$Id: m_driver.c,v 1.26 2008/07/05 20:54:33 tom Exp $")
+MODULE_ID("$Id: m_driver.c,v 1.28 2009/02/28 21:02:46 juergen Exp $")
 
 /* Macros */
 
@@ -197,7 +197,7 @@ _nc_Match_Next_Character_In_Item_Name
 
 /*---------------------------------------------------------------------------
 |   Facility      :  libnmenu
-|   Function      :  int menu_driver(MENU *menu, int c)
+|   Function      :  int menu_driver(MENU* menu, int c)
 |
 |   Description   :  Central dispatcher for the menu. Translates the logical
 |                    request 'c' into a menu action.
@@ -303,7 +303,7 @@ menu_driver(MENU * menu, int c)
 	  else
 	    {
 	      my_top_row += rdiff;
-	      while (rdiff-- > 0 && item != (ITEM *) 0)
+	      while (rdiff-- > 0 && item != 0 && item->down != 0)
 		item = item->down;
 	    }
 	  break;
@@ -316,7 +316,7 @@ menu_driver(MENU * menu, int c)
 	  else
 	    {
 	      my_top_row -= rdiff;
-	      while (rdiff-- && item != (ITEM *) 0)
+	      while (rdiff-- > 0 && item != 0 && item->up != 0)
 		item = item->up;
 	    }
 	  break;