------------------------------------------------------------------------------
-- --
--- GNAT RUNTIME COMPONENTS --
+-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . S T O R A G E _ I O --
-- --
-- B o d y --
-- --
--- --
--- Copyright (C) 1992,1993,1994 Free Software Foundation, Inc. --
+-- 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 2, or (at your option) any later ver- --
+-- 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- 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. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-with System.Address_To_Access_Conversions;
+with Ada.Unchecked_Conversion;
package body Ada.Storage_IO is
- package Element_Ops is new
- System.Address_To_Access_Conversions (Element_Type);
+ type Buffer_Ptr is access all Buffer_Type;
+ type Elmt_Ptr is access all Element_Type;
+
+ function To_Buffer_Ptr is
+ new Ada.Unchecked_Conversion (Elmt_Ptr, Buffer_Ptr);
----------
-- Read --
----------
- procedure Read (Buffer : in Buffer_Type; Item : out Element_Type) is
+ procedure Read (Buffer : Buffer_Type; Item : out Element_Type) is
begin
- Element_Ops.To_Pointer (Item'Address).all :=
- Element_Ops.To_Pointer (Buffer'Address).all;
+ To_Buffer_Ptr (Item'Unrestricted_Access).all := Buffer;
end Read;
-
-----------
-- Write --
-----------
- procedure Write (Buffer : out Buffer_Type; Item : in Element_Type) is
+ procedure Write (Buffer : out Buffer_Type; Item : Element_Type) is
begin
- Element_Ops.To_Pointer (Buffer'Address).all :=
- Element_Ops.To_Pointer (Item'Address).all;
+ Buffer := To_Buffer_Ptr (Item'Unrestricted_Access).all;
end Write;
end Ada.Storage_IO;
OSDN Git Service
