--  Copyright 2008-2021 Free Software Foundation, Inc.
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program.  If not, see <http://www.gnu.org/licenses/>.

with System;

procedure Lang_Switch is
   pragma Linker_Options ("foo.o");

   function C_Procedure (Msg : String) return Integer;
   pragma Import(C, C_Procedure, "c_procedure");

   procedure Ada_Procedure (Msg : String) is
      C_Msg : String (1 .. 1024);
      Tmp_Int : Integer;
   begin
      C_Msg  (1 .. Msg'length   + 1) := Msg & Ascii.Nul;
      Tmp_Int := C_Procedure (Msg => C_Msg);
   end Ada_Procedure;

begin
   Ada_Procedure ("msg");
end Lang_Switch;