------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--                      S Y S T E M . W W D _ C H A R                       --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

package body System.WWd_Char is

   --------------------------
   -- Wide_Width_Character --
   --------------------------

   function Wide_Width_Character (Lo, Hi : Character) return Natural is
      W : Natural;

   begin
      W := 0;
      for C in Lo .. Hi loop
         declare
            S : constant Wide_String := Character'Wide_Image (C);
         begin
            W := Natural'Max (W, S'Length);
         end;
      end loop;

      return W;
   end Wide_Width_Character;

   -------------------------------
   -- Wide_Wide_Width_Character --
   -------------------------------

   function Wide_Wide_Width_Character (Lo, Hi : Character) return Natural is
      W : Natural;

   begin
      W := 0;
      for C in Lo .. Hi loop
         declare
            S : constant String := Character'Image (C);
         begin
            W := Natural'Max (W, S'Length);
         end;
      end loop;

      return W;
   end Wide_Wide_Width_Character;

end System.WWd_Char;
