------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUNTIME COMPONENTS                          --
--                                                                          --
--                       S Y S T E M . I M G _ L L U                        --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--                            $Revision: 1.5 $                              --
--                                                                          --
--           Copyright (c) 1992,1993,1994 NYU, All Rights Reserved          --
--                                                                          --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software  Foundation; either version 2, or (at your option) any --
-- later version.  The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY;  without even  the implied warranty --
-- of MERCHANTABILITY  or  FITNESS FOR  A PARTICULAR PURPOSE.  See the  GNU --
-- Library  General  Public  License for  more  details.  You  should  have --
-- received  a copy of the GNU  Library  General Public License  along with --
-- the GNAT library;  see the file  COPYING.LIB.  If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.        --
--                                                                          --
------------------------------------------------------------------------------

--  This package contains the routines for supporting the Image attribute for
--  unsigned (modular) integer types larger than Size Unsigned'Size, and also
--  for conversion operations required in Text_IO.Modular_IO for such types.

with System.Unsigned_Types;

package System.Img_LLU is
pragma Preelaborate (Img_LLU);

   function Image_Long_Long_Unsigned
     (V    : System.Unsigned_Types.Long_Long_Unsigned;
      S    : access String)
      return Natural;
   --  Computes Long_Long_Unsigned'Image (V), storing the result in S (1 .. N)
   --  where N is the length of the image string. The value of N is returned as
   --  the result. The caller guarantees that the string is long enough.

   procedure Set_Image_Long_Long_Unsigned
     (V : System.Unsigned_Types.Long_Long_Unsigned;
      S : out String;
      P : in out Natural);
   --  Sets the image of V starting at S (P + 1) with no leading spaces (i.e.
   --  Text_IO format where Width = 0), starting at S (P + 1), updating P
   --  to point to the last character stored. The caller promises that the
   --  buffer is large enough and no check is made for this (Constraint_Error
   --  will not be necessarily raised if this is violated since it is perfectly
   --  valid to compile this unit with checks off).

end System.Img_LLU;
