------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUNTIME COMPONENTS                          --
--                                                                          --
--                       S Y S T E M . P A C K _ 4 2                        --
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--                                 S p e c                                  --
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--                            $Revision: 1.2 $
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--          Copyright (C) 1992-1999 Free Software Foundation, Inc.          --
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-- covered by the  GNU Public License.                                      --
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-- 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). --
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------------------------------------------------------------------------------

--  Handling of packed arrays with Component_Size = 42

package System.Pack_42 is
pragma Preelaborate (Pack_42);

   Bits : constant := 42;

   type Bits_42 is mod 2 ** Bits;
   for Bits_42'Size use Bits;

   function Get_42 (Arr : System.Address; N : Natural) return Bits_42;
   --  Arr is the address of the packed array, N is the zero-based
   --  subscript. This element is extracted and returned.

   procedure Set_42 (Arr : System.Address; N : Natural; E : Bits_42);
   --  Arr is the address of the packed array, N is the zero-based
   --  subscript. This element is set to the given value.

   function GetU_42 (Arr : System.Address; N : Natural) return Bits_42;
   --  Arr is the address of the packed array, N is the zero-based
   --  subscript. This element is extracted and returned. This version
   --  is used when Arr may represent an unaligned address.

   procedure SetU_42 (Arr : System.Address; N : Natural; E : Bits_42);
   --  Arr is the address of the packed array, N is the zero-based
   --  subscript. This element is set to the given value. This version
   --  is used when Arr may represent an unaligned address

end System.Pack_42;
