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1 | ------------------------------------------------------------------------------ |
2 | -- -- | |
3 | -- GNAT RUN-TIME COMPONENTS -- | |
4 | -- -- | |
5 | -- A D A . T E X T _ I O . C _ S T R E A M S -- | |
6 | -- -- | |
7 | -- B o d y -- | |
8 | -- -- | |
d23b8f57 RK |
9 | -- -- |
10 | -- Copyright (C) 1992-1998 Free Software Foundation, Inc. -- | |
11 | -- -- | |
12 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
13 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
14 | -- ware Foundation; either version 2, or (at your option) any later ver- -- | |
15 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
16 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
17 | -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- | |
18 | -- for more details. You should have received a copy of the GNU General -- | |
19 | -- Public License distributed with GNAT; see file COPYING. If not, write -- | |
20 | -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- | |
21 | -- MA 02111-1307, USA. -- | |
22 | -- -- | |
23 | -- As a special exception, if other files instantiate generics from this -- | |
24 | -- unit, or you link this unit with other files to produce an executable, -- | |
25 | -- this unit does not by itself cause the resulting executable to be -- | |
26 | -- covered by the GNU General Public License. This exception does not -- | |
27 | -- however invalidate any other reasons why the executable file might be -- | |
28 | -- covered by the GNU Public License. -- | |
29 | -- -- | |
30 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
31 | -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- | |
32 | -- -- | |
33 | ------------------------------------------------------------------------------ | |
34 | ||
35 | with Interfaces.C_Streams; use Interfaces.C_Streams; | |
36 | with System.File_IO; | |
37 | with System.File_Control_Block; | |
38 | with Unchecked_Conversion; | |
39 | ||
40 | package body Ada.Text_IO.C_Streams is | |
41 | ||
42 | package FIO renames System.File_IO; | |
43 | package FCB renames System.File_Control_Block; | |
44 | ||
45 | subtype AP is FCB.AFCB_Ptr; | |
46 | ||
47 | function To_FCB is new Unchecked_Conversion (File_Mode, FCB.File_Mode); | |
48 | ||
49 | -------------- | |
50 | -- C_Stream -- | |
51 | -------------- | |
52 | ||
53 | function C_Stream (F : File_Type) return FILEs is | |
54 | begin | |
55 | FIO.Check_File_Open (AP (F)); | |
56 | return F.Stream; | |
57 | end C_Stream; | |
58 | ||
59 | ---------- | |
60 | -- Open -- | |
61 | ---------- | |
62 | ||
63 | procedure Open | |
64 | (File : in out File_Type; | |
65 | Mode : in File_Mode; | |
66 | C_Stream : in FILEs; | |
67 | Form : in String := "") | |
68 | is | |
69 | File_Control_Block : Text_AFCB; | |
70 | ||
71 | begin | |
72 | FIO.Open (File_Ptr => AP (File), | |
73 | Dummy_FCB => File_Control_Block, | |
74 | Mode => To_FCB (Mode), | |
75 | Name => "", | |
76 | Form => Form, | |
77 | Amethod => 'T', | |
78 | Creat => False, | |
79 | Text => True, | |
80 | C_Stream => C_Stream); | |
81 | end Open; | |
82 | ||
83 | end Ada.Text_IO.C_Streams; |