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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--                A D A . T E X T _ I O . C _ S T R E A M S                 --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with Interfaces.C_Streams; use Interfaces.C_Streams;
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with System.File_IO;
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with System.File_Control_Block;
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with Ada.Unchecked_Conversion;
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package body Ada.Text_IO.C_Streams is
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   package FIO renames System.File_IO;
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   package FCB renames System.File_Control_Block;
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   subtype AP is FCB.AFCB_Ptr;
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   function To_FCB is new Ada.Unchecked_Conversion (File_Mode, FCB.File_Mode);
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   --------------
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   -- C_Stream --
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   --------------
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   function C_Stream (F : File_Type) return FILEs is
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   begin
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      FIO.Check_File_Open (AP (F));
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      return F.Stream;
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   end C_Stream;
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   ----------
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   -- Open --
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   ----------
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   procedure Open
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     (File     : in out File_Type;
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      Mode     : File_Mode;
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      C_Stream : FILEs;
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      Form     : String := "";
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      Name     : String := "")
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   is
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      Dummy_File_Control_Block : Text_AFCB;
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      pragma Warnings (Off, Dummy_File_Control_Block);
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      --  Yes, we know this is never assigned a value, only the tag
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      --  is used for dispatching purposes, so that's expected.
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   begin
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      FIO.Open (File_Ptr  => AP (File),
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                Dummy_FCB => Dummy_File_Control_Block,
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                Mode      => To_FCB (Mode),
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                Name      => Name,
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                Form      => Form,
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                Amethod   => 'T',
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                Creat     => False,
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                Text      => True,
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                C_Stream  => C_Stream);
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   end Open;
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end Ada.Text_IO.C_Streams;

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