gcc/ada/gnatvsn.adb

   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) 1992-2024, 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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 package body Gnatvsn is
  27
  28    ----------------------
  29    -- Copyright_Holder --
  30    ----------------------
  31
  32    function Copyright_Holder return String is
  33    begin
  34       return "Free Software Foundation, Inc.";
  35    end Copyright_Holder;
  36
  37    ------------------------
  38    -- Gnat_Free_Software --
  39    ------------------------
  40
  41    function Gnat_Free_Software return String is
  42    begin
  43       return
  44         "This is free software; see the source for copying conditions." &
  45         ASCII.LF &
  46         "There is NO warranty; not even for MERCHANTABILITY or FITNESS" &
  47         " FOR A PARTICULAR PURPOSE.";
  48    end Gnat_Free_Software;
  49
  50    type char_array is array (Natural range <>) of aliased Character;
  51    C_Version_String : char_array (0 .. Ver_Len_Max - 1);
  52    pragma Import (C, C_Version_String, "gnat_version_string");
  53    --  Import the C string defined in the source file version.c using the
  54    --  zero-based convention of the C language.  The size is not the real
  55    --  one, which does not matter since we will check for the nul character.
  56
  57    -------------------------
  58    -- Gnat_Version_String --
  59    -------------------------
  60
  61    function Gnat_Version_String return String is
  62       S : String (1 .. Ver_Len_Max);
  63       Pos : Natural := 0;
  64    begin
  65       loop
  66          exit when C_Version_String (Pos) = ASCII.NUL;
  67
  68          S (Pos + 1) := C_Version_String (Pos);
  69          Pos := Pos + 1;
  70
  71          exit when Pos = Ver_Len_Max;
  72       end loop;
  73
  74       return S (1 .. Pos);
  75    end Gnat_Version_String;
  76
  77 end Gnatvsn;