| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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 -- |
| -- -- |
| -- $Revision: 1.3 $ -- |
| -- -- |
| -- 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. -- |
| -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Interfaces.C_Streams; use Interfaces.C_Streams; |
| with System.File_IO; |
| with System.File_Control_Block; |
| with 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 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 : Text_AFCB; |
| |
| begin |
| FIO.Open (File_Ptr => AP (File), |
| Dummy_FCB => File_Control_Block, |
| Mode => To_FCB (Mode), |
| Name => "", |
| Form => Form, |
| Amethod => 'T', |
| Creat => False, |
| Text => True, |
| C_Stream => C_Stream); |
| end Open; |
| |
| end Ada.Text_IO.C_Streams; |
