1------------------------------------------------------------------------------
2--                                                                          --
3--                          GNAT RUN-TIME 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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32with System.Unsigned_Types; use System.Unsigned_Types;
33
34package body System.Version_Control is
35
36   ------------------------
37   -- Get_Version_String --
38   ------------------------
39
40   function Get_Version_String
41     (V    : System.Unsigned_Types.Unsigned)
42      return Version_String
43   is
44      S : Version_String;
45      D : Unsigned := V;
46      H : constant array (Unsigned range 0 .. 15) of Character :=
47            "0123456789abcdef";
48
49   begin
50      for J in reverse 1 .. 8 loop
51         S (J) := H (D mod 16);
52         D := D / 16;
53      end loop;
54
55      return S;
56   end Get_Version_String;
57
58end System.Version_Control;
59