------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . D I R E C T _ I O . C _ S T R E A M S -- -- -- -- B o d y -- -- -- -- -- -- Copyright (C) 1992-1998 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- -- -- 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. -- -- -- -- 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 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;