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File : s-atacco.adb


------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
-- S Y S T E M . A D D R E S S _ T O _ A C C E S S _ C O N V E R S I O N S  --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                            $Revision: 1.4 $                              --
--                                                                          --
--        Copyright (C) 1992,1993,1994 Free Software Foundation, Inc.       --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
-- for  more details.  You should have  received  a copy of the GNU General --
-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
-- MA 02111-1307, USA.                                                      --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable  to  be --
-- covered  by the  GNU  General  Public  License.  This exception does not --
-- however invalidate  any other reasons why  the executable file  might be --
-- covered by the  GNU Public License.                                      --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
--                                                                          --
------------------------------------------------------------------------------

with Unchecked_Conversion;
package body System.Address_To_Access_Conversions is

   ----------------
   -- To_Address --
   ----------------

   function To_Address (Value : Object_Pointer) return Address is
   begin
      if Value = null then
         return Null_Address;
      else
         return Value.all'Address;
      end if;
   end To_Address;

   ----------------
   -- To_Pointer --
   ----------------

   function To_Pointer (Value : Address) return Object_Pointer is
      function A_To_P is new Unchecked_Conversion (Address, Object_Pointer);

   begin
      return A_To_P (Value);
   end To_Pointer;

end System.Address_To_Access_Conversions;