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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT LIBRARY COMPONENTS                          --
--                                                                          --
--   A D A . S T R I N G S . E Q U A L _ C A S E _ I N S E N S I T I V E    --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 2004-2009, 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/>.                                          --
--                                                                          --
-- This unit was originally developed by Matthew J Heaney.                  --
------------------------------------------------------------------------------
 
with Ada.Characters.Handling;  use Ada.Characters.Handling;
 
function Ada.Strings.Equal_Case_Insensitive
  (Left, Right : String) return Boolean
is
   LI : Integer := Left'First;
   RI : Integer := Right'First;
 
begin
   if Left'Length /= Right'Length then
      return False;
   end if;
 
   if Left'Length = 0 then
      return True;
   end if;
 
   loop
      if To_Lower (Left (LI)) /= To_Lower (Right (RI)) then
         return False;
      end if;
 
      if LI = Left'Last then
         return True;
      end if;
 
      LI := LI + 1;
      RI := RI + 1;
   end loop;
end Ada.Strings.Equal_Case_Insensitive;