gcc/ada/s-vercon.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                          GNAT RUNTIME COMPONENTS                         --
   4 --                                                                          --
   5 --               S Y S T E M . V E R S I O N _ C O N T R O L                --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.2 $                              --
  10 --                                                                          --
  11 --     Copyright (C) 1992,1993,1994,1995 Free Software Foundation, Inc.     --
  12 --                                                                          --
  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  14 -- terms of the  GNU General Public License as published  by the Free Soft- --
  15 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  16 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- for  more details.  You should have  received  a copy of the GNU General --
  20 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- As a special exception,  if other files  instantiate  generics from this --
  25 -- unit, or you link  this unit with other files  to produce an executable, --
  26 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  27 -- covered  by the  GNU  General  Public  License.  This exception does not --
  28 -- however invalidate  any other reasons why  the executable file  might be --
  29 -- covered by the  GNU Public License.                                      --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 with System.Unsigned_Types; use System.Unsigned_Types;
  37 package body System.Version_Control is
  38
  39    ------------------------
  40    -- Get_Version_String --
  41    ------------------------
  42
  43    function Get_Version_String
  44      (V    : System.Unsigned_Types.Unsigned)
  45       return Version_String
  46    is
  47       S : Version_String;
  48       D : Unsigned := V;
  49       H : array (Unsigned range 0 .. 15) of Character := "0123456789abcdef";
  50
  51    begin
  52       for J in reverse 1 .. 8 loop
  53          S (J) := H (D mod 16);
  54          D := D / 16;
  55       end loop;
  56
  57       return S;
  58    end Get_Version_String;
  59
  60 end System.Version_Control;