home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
gnat-2.06-src.tgz
/
tar.out
/
fsf
/
gnat
/
ada
/
a-diocst.adb
< prev
next >
Wrap
Text File
|
1996-09-28
|
3KB
|
79 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . D I R E C T _ I O . C _ S T R E A M S --
-- --
-- B o d y --
-- --
-- $Revision: 1.1 $ --
-- --
-- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Interfaces.C_Streams; use Interfaces.C_Streams;
with System.File_IO;
with System.File_Control_Block;
with System.Direct_IO;
with Unchecked_Conversion;
package body Ada.Direct_IO.C_Streams is
package FIO renames System.File_IO;
package FCB renames System.File_COntrol_Block;
package DIO renames System.Direct_IO;
subtype AP is FCB.AFCB_Ptr;
function To_FCB is new 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 : in File_Mode;
C_Stream : in FILEs;
Form : in String := "")
is
File_Control_Block : DIO.Direct_AFCB;
begin
FIO.Open (File_Ptr => AP (File),
Dummy_FCB => File_Control_Block,
Mode => To_FCB (Mode),
Name => "",
Form => Form,
Amethod => 'D',
Creat => False,
Text => False,
C_Stream => C_Stream);
File.Bytes := Bytes;
end Open;
end Ada.Direct_IO.C_Streams;