Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/a-diocst.adb @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 ------------------------------------------------------------------------------ | |
| 2 -- -- | |
| 3 -- GNAT RUN-TIME COMPONENTS -- | |
| 4 -- -- | |
| 5 -- A D A . D I R E C T _ I O . C _ S T R E A M S -- | |
| 6 -- -- | |
| 7 -- B o d y -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1992-2017, Free Software Foundation, Inc. -- | |
| 10 -- -- | |
| 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. -- | |
| 17 -- -- | |
| 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. -- | |
| 21 -- -- | |
| 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/>. -- | |
| 26 -- -- | |
| 27 -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 29 -- -- | |
| 30 ------------------------------------------------------------------------------ | |
| 31 | |
| 32 with Interfaces.C_Streams; use Interfaces.C_Streams; | |
| 33 with System.File_IO; | |
| 34 with System.File_Control_Block; | |
| 35 with System.Direct_IO; | |
| 36 with Ada.Unchecked_Conversion; | |
| 37 | |
| 38 package body Ada.Direct_IO.C_Streams is | |
| 39 | |
| 40 package FIO renames System.File_IO; | |
| 41 package FCB renames System.File_Control_Block; | |
| 42 package DIO renames System.Direct_IO; | |
| 43 | |
| 44 subtype AP is FCB.AFCB_Ptr; | |
| 45 | |
| 46 function To_FCB is new Ada.Unchecked_Conversion (File_Mode, FCB.File_Mode); | |
| 47 | |
| 48 -------------- | |
| 49 -- C_Stream -- | |
| 50 -------------- | |
| 51 | |
| 52 function C_Stream (F : File_Type) return FILEs is | |
| 53 begin | |
| 54 FIO.Check_File_Open (AP (F)); | |
| 55 return F.Stream; | |
| 56 end C_Stream; | |
| 57 | |
| 58 ---------- | |
| 59 -- Open -- | |
| 60 ---------- | |
| 61 | |
| 62 procedure Open | |
| 63 (File : in out File_Type; | |
| 64 Mode : File_Mode; | |
| 65 C_Stream : FILEs; | |
| 66 Form : String := ""; | |
| 67 Name : String := "") | |
| 68 is | |
| 69 Dummy_File_Control_Block : DIO.Direct_AFCB; | |
| 70 pragma Warnings (Off, Dummy_File_Control_Block); | |
| 71 -- Yes, we know this is never assigned a value, only the tag | |
| 72 -- is used for dispatching purposes, so that's expected. | |
| 73 | |
| 74 begin | |
| 75 FIO.Open (File_Ptr => AP (File), | |
| 76 Dummy_FCB => Dummy_File_Control_Block, | |
| 77 Mode => To_FCB (Mode), | |
| 78 Name => Name, | |
| 79 Form => Form, | |
| 80 Amethod => 'D', | |
| 81 Creat => False, | |
| 82 Text => False, | |
| 83 C_Stream => C_Stream); | |
| 84 | |
| 85 File.Bytes := Bytes; | |
| 86 end Open; | |
| 87 | |
| 88 end Ada.Direct_IO.C_Streams; |