1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . T E X T _ I O . C _ S T R E A M S --
9 -- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Interfaces.C_Streams; use Interfaces.C_Streams;
34 with System.File_Control_Block;
35 with Ada.Unchecked_Conversion;
37 package body Ada.Text_IO.C_Streams is
39 package FIO renames System.File_IO;
40 package FCB renames System.File_Control_Block;
42 subtype AP is FCB.AFCB_Ptr;
44 function To_FCB is new Ada.Unchecked_Conversion (File_Mode, FCB.File_Mode);
50 function C_Stream (F : File_Type) return FILEs is
52 FIO.Check_File_Open (AP (F));
61 (File : in out File_Type;
67 Dummy_File_Control_Block : Text_AFCB;
68 pragma Warnings (Off, Dummy_File_Control_Block);
69 -- Yes, we know this is never assigned a value, only the tag
70 -- is used for dispatching purposes, so that's expected.
73 FIO.Open (File_Ptr => AP (File),
74 Dummy_FCB => Dummy_File_Control_Block,
75 Mode => To_FCB (Mode),
81 C_Stream => C_Stream);
84 end Ada.Text_IO.C_Streams;