1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                              G N A T V S N                               --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--       Copyright (C) 2002-2009 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
32package body Gnatvsn is
33
34   ----------------------
35   -- Copyright_Holder --
36   ----------------------
37
38   function Copyright_Holder return String is
39   begin
40      return "Free Software Foundation, Inc.";
41   end Copyright_Holder;
42
43   ------------------------
44   -- Gnat_Free_Software --
45   ------------------------
46
47   function Gnat_Free_Software return String is
48   begin
49      return
50        "This is free software; see the source for copying conditions." &
51        ASCII.LF &
52        "There is NO warranty; not even for MERCHANTABILITY or FITNESS" &
53        " FOR A PARTICULAR PURPOSE.";
54   end Gnat_Free_Software;
55
56   type char_array is array (Natural range <>) of aliased Character;
57   Version_String : char_array (0 .. Ver_Len_Max - 1);
58   --  Import the C string defined in the (language-independent) source file
59   --  version.c using the zero-based convention of the C language.
60   --  The size is not the real one, which does not matter since we will
61   --  check for the nul character in Gnat_Version_String.
62   pragma Import (C, Version_String, "version_string");
63
64   -------------------------
65   -- Gnat_Version_String --
66   -------------------------
67
68   function Gnat_Version_String return String is
69      S : String (1 .. Ver_Len_Max);
70      Pos : Natural := 0;
71   begin
72      loop
73         exit when Version_String (Pos) = ASCII.NUL;
74
75         S (Pos + 1) := Version_String (Pos);
76         Pos := Pos + 1;
77
78         exit when Pos = Ver_Len_Max;
79      end loop;
80
81      return S (1 .. Pos);
82   end Gnat_Version_String;
83
84end Gnatvsn;
85