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CodeBlocksPortable/MinGW/lib/gcc/mingw32/6.3.0/adainclude/a-tiocst.adb

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3.7 KiB
Ada

------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . T E X T _ I O . C _ S T R E A M S --
-- --
-- B o d y --
-- --
-- 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 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. --
-- --
------------------------------------------------------------------------------
with Interfaces.C_Streams; use Interfaces.C_Streams;
with System.File_IO;
with System.File_Control_Block;
with Ada.Unchecked_Conversion;
package body Ada.Text_IO.C_Streams is
package FIO renames System.File_IO;
package FCB renames System.File_Control_Block;
subtype AP is FCB.AFCB_Ptr;
function To_FCB is new Ada.Unchecked_Conversion (File_Mode, FCB.File_Mode);
--------------
-- C_Stream --
--------------
function C_Stream (F : File_Type) return FILEs is
begin
FIO.Check_File_Open (AP (F));
return F.Stream;
end C_Stream;
----------
-- Open --
----------
procedure Open
(File : in out File_Type;
Mode : File_Mode;
C_Stream : FILEs;
Form : String := "";
Name : String := "")
is
Dummy_File_Control_Block : Text_AFCB;
pragma Warnings (Off, Dummy_File_Control_Block);
-- Yes, we know this is never assigned a value, only the tag
-- is used for dispatching purposes, so that's expected.
begin
FIO.Open (File_Ptr => AP (File),
Dummy_FCB => Dummy_File_Control_Block,
Mode => To_FCB (Mode),
Name => Name,
Form => Form,
Amethod => 'T',
Creat => False,
Text => True,
C_Stream => C_Stream);
end Open;
end Ada.Text_IO.C_Streams;