------------------------------------------------------------------------------
--                                                                          --
--                          GNAT RUNTIME COMPONENTS                         --
--                                                                          --
--               S Y S T E M . V E R S I O N _ C O N T R O L                --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--     Copyright (C) 1992,1993,1994,1995 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. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

--  This module contains the runtime routine for implementation of the
--  Version and Body_Version attributes, as well as the string type that
--  is returned as a result of using these attributes.

with System.Unsigned_Types;

package System.Version_Control is

   pragma Pure (Version_Control);

   subtype Version_String is String (1 .. 8);
   --  Eight character string returned by Get_version_String;

   function Get_Version_String
     (V    : System.Unsigned_Types.Unsigned)
      return Version_String;
   --  The version information in the executable file is stored as unsigned
   --  integers. This routine converts the unsigned integer into an eight
   --  character string containing its hexadecimal digits (with lower case
   --  letters).

end System.Version_Control;