-- --
-- B o d y --
-- --
--- --
--- Copyright (C) 1992-2001 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. --
+-- 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. --
-- --
--- 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. --
+-- 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 Interfaces.C.Strings; use Interfaces.C.Strings;
with System; use System;
-with Unchecked_Conversion;
+with Ada.Unchecked_Conversion;
package body Interfaces.C.Pointers is
type Addr is mod Memory_Size;
- function To_Pointer is new Unchecked_Conversion (Addr, Pointer);
- function To_Addr is new Unchecked_Conversion (Pointer, Addr);
- function To_Addr is new Unchecked_Conversion (ptrdiff_t, Addr);
- function To_Ptrdiff is new Unchecked_Conversion (Addr, ptrdiff_t);
+ function To_Pointer is new Ada.Unchecked_Conversion (Addr, Pointer);
+ function To_Addr is new Ada.Unchecked_Conversion (Pointer, Addr);
+ function To_Addr is new Ada.Unchecked_Conversion (ptrdiff_t, Addr);
+ function To_Ptrdiff is new Ada.Unchecked_Conversion (Addr, ptrdiff_t);
Elmt_Size : constant ptrdiff_t :=
(Element_Array'Component_Size
-- "+" --
---------
- function "+" (Left : in Pointer; Right : in ptrdiff_t) return Pointer is
+ function "+" (Left : Pointer; Right : ptrdiff_t) return Pointer is
begin
if Left = null then
raise Pointer_Error;
return To_Pointer (To_Addr (Left) + To_Addr (Elmt_Size * Right));
end "+";
- function "+" (Left : in ptrdiff_t; Right : in Pointer) return Pointer is
+ function "+" (Left : ptrdiff_t; Right : Pointer) return Pointer is
begin
if Right = null then
raise Pointer_Error;
-- "-" --
---------
- function "-" (Left : in Pointer; Right : in ptrdiff_t) return Pointer is
+ function "-" (Left : Pointer; Right : ptrdiff_t) return Pointer is
begin
if Left = null then
raise Pointer_Error;
return To_Pointer (To_Addr (Left) - To_Addr (Right * Elmt_Size));
end "-";
- function "-" (Left : in Pointer; Right : in Pointer) return ptrdiff_t is
+ function "-" (Left : Pointer; Right : Pointer) return ptrdiff_t is
begin
if Left = null or else Right = null then
raise Pointer_Error;
----------------
procedure Copy_Array
- (Source : in Pointer;
- Target : in Pointer;
- Length : in ptrdiff_t)
+ (Source : Pointer;
+ Target : Pointer;
+ Length : ptrdiff_t)
is
T : Pointer := Target;
S : Pointer := Source;
---------------------------
procedure Copy_Terminated_Array
- (Source : in Pointer;
- Target : in Pointer;
- Limit : in ptrdiff_t := ptrdiff_t'Last;
- Terminator : in Element := Default_Terminator)
+ (Source : Pointer;
+ Target : Pointer;
+ Limit : ptrdiff_t := ptrdiff_t'Last;
+ Terminator : Element := Default_Terminator)
is
S : Pointer := Source;
T : Pointer := Target;
-----------
function Value
- (Ref : in Pointer;
- Terminator : in Element := Default_Terminator)
- return Element_Array
+ (Ref : Pointer;
+ Terminator : Element := Default_Terminator) return Element_Array
is
P : Pointer;
L : constant Index_Base := Index'First;
subtype A is Element_Array (L .. H);
type PA is access A;
- function To_PA is new Unchecked_Conversion (Pointer, PA);
+ function To_PA is new Ada.Unchecked_Conversion (Pointer, PA);
begin
return To_PA (Ref).all;
end Value;
function Value
- (Ref : in Pointer;
- Length : in ptrdiff_t)
- return Element_Array
+ (Ref : Pointer;
+ Length : ptrdiff_t) return Element_Array
is
L : Index_Base;
H : Index_Base;
subtype A is Element_Array (L .. H);
type PA is access A;
- function To_PA is new Unchecked_Conversion (Pointer, PA);
+ function To_PA is new Ada.Unchecked_Conversion (Pointer, PA);
begin
return To_PA (Ref).all;
--------------------
function Virtual_Length
- (Ref : in Pointer;
- Terminator : in Element := Default_Terminator)
- return ptrdiff_t
+ (Ref : Pointer;
+ Terminator : Element := Default_Terminator) return ptrdiff_t
is
P : Pointer;
C : ptrdiff_t;
OSDN Git Service
