blob: 846bd2ecb6653bfb724bfa8c5d7a3d961843e68e [file] [log] [blame]
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . W W D _ C H A R --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2022, 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;