| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . S T R E A M S . S T R E A M _ 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.Streams.Stream_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 : Stream_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 => 'S', |
| Creat => False, |
| Text => False, |
| C_Stream => C_Stream); |
| end Open; |
| |
| end Ada.Streams.Stream_IO.C_Streams; |
