gcc/ada/s-vercon.adb

   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
  32 with System.Unsigned_Types; use System.Unsigned_Types;
  33
  34 package 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
  58 end System.Version_Control;