0ae9f22fde
2006-02-13 Robert Dewar <dewar@adacore.com> * s-gloloc-mingw.adb, a-cgaaso.ads, a-stzmap.adb, a-stzmap.adb, a-stzmap.ads, a-ztcoio.adb, a-ztedit.adb, a-ztedit.ads, a-ztenau.adb, a-ztenau.ads, a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads, a-comlin.adb, a-decima.adb, a-decima.ads, a-direio.adb, a-direio.adb, a-direio.adb, a-direio.ads, a-ngcoty.adb, a-ngcoty.ads, a-nuflra.adb, a-nuflra.ads, a-sequio.adb, a-sequio.ads, a-sequio.ads, a-storio.ads, a-stream.ads, a-ststio.adb, a-ststio.adb, a-ststio.ads, a-ststio.ads, a-stwima.adb, a-stwima.adb, a-stwima.ads, a-stwise.adb, a-teioed.adb, a-teioed.ads, a-ticoau.adb, a-ticoau.ads, a-ticoio.adb, a-tasatt.ads, a-tideau.adb, a-tideau.ads, a-tideio.adb, a-tideio.ads, a-tienau.adb, a-tienau.ads, a-tienio.adb, a-tienio.ads, a-tifiio.ads, a-tiflau.adb, a-tiflau.ads, a-tiflio.adb, a-tiflio.adb, a-tiflio.ads, a-tigeau.ads, a-tiinau.adb, a-tiinau.ads, a-tiinio.adb, a-tiinio.ads, a-timoio.adb, a-timoio.ads, a-titest.adb, a-titest.ads, a-wtcoio.adb, a-wtdeau.adb, a-wtdeau.ads, a-wtdeio.adb, a-wtdeio.ads, a-wtedit.adb, a-wtedit.adb, a-wtedit.ads, a-wtenau.adb, a-wtenau.ads, a-wtenau.ads, a-wtenio.adb, a-wtenio.ads, a-wtfiio.adb, a-wtfiio.ads, a-wtflau.adb, a-wtflau.ads, a-wtflio.adb, a-wtflio.adb, a-wtflio.ads, a-wtgeau.ads, a-wtinau.adb, a-wtinau.ads, a-wtinio.adb, a-wtinio.ads, a-wtmoau.adb, a-wtmoau.ads, a-wtmoio.adb, a-wtmoio.ads, xref_lib.adb, xref_lib.ads, xr_tabls.adb, g-boubuf.adb, g-boubuf.ads, g-cgideb.adb, g-io.adb, gnatdll.adb, g-pehage.adb, i-c.ads, g-spitbo.adb, g-spitbo.ads, mdll.adb, mlib-fil.adb, mlib-utl.adb, mlib-utl.ads, prj-env.adb, prj-tree.adb, prj-tree.ads, prj-util.adb, s-arit64.adb, s-asthan.ads, s-auxdec.adb, s-auxdec.ads, s-chepoo.ads, s-direio.adb, s-direio.ads, s-errrep.adb, s-errrep.ads, s-fileio.adb, s-fileio.ads, s-finroo.adb, s-finroo.ads, s-gloloc.adb, s-gloloc.ads, s-io.adb, s-io.ads, s-rpc.adb, s-rpc.ads, s-shasto.ads, s-sequio.adb, s-stopoo.ads, s-stratt.adb, s-stratt.ads, s-taasde.adb, s-taasde.ads, s-tadert.adb, s-sequio.ads, s-taskin.adb, s-tasque.adb, s-tasque.ads, s-wchjis.ads, makegpr.adb, a-coinve.adb, a-cidlli.adb, eval_fat.adb, exp_dist.ads, exp_smem.adb, fmap.adb, g-dyntab.ads, g-expect.adb, lib-xref.ads, osint.adb, par-load.adb, restrict.adb, sinput-c.ads, a-cdlili.adb, system-vms.ads, system-vms-zcx.ads, system-vms_64.ads: Minor reformatting. From-SVN: r111023
168 lines
5.6 KiB
Ada
168 lines
5.6 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . S E Q U E N T I A L _ I O --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with System.File_IO;
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with Unchecked_Deallocation;
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package body System.Sequential_IO is
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subtype AP is FCB.AFCB_Ptr;
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package FIO renames System.File_IO;
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-------------------
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-- AFCB_Allocate --
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-------------------
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function AFCB_Allocate
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(Control_Block : Sequential_AFCB) return FCB.AFCB_Ptr
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is
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pragma Warnings (Off, Control_Block);
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begin
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return new Sequential_AFCB;
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end AFCB_Allocate;
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----------------
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-- AFCB_Close --
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----------------
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-- No special processing required for Sequential_IO close
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procedure AFCB_Close (File : access Sequential_AFCB) is
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pragma Warnings (Off, File);
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begin
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null;
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end AFCB_Close;
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---------------
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-- AFCB_Free --
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---------------
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procedure AFCB_Free (File : access Sequential_AFCB) is
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type FCB_Ptr is access all Sequential_AFCB;
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FT : FCB_Ptr := FCB_Ptr (File);
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procedure Free is new
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Unchecked_Deallocation (Sequential_AFCB, FCB_Ptr);
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begin
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Free (FT);
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end AFCB_Free;
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------------
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-- Create --
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------------
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procedure Create
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(File : in out File_Type;
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Mode : FCB.File_Mode := FCB.Out_File;
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Name : String := "";
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Form : String := "")
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is
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Dummy_File_Control_Block : Sequential_AFCB;
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pragma Warnings (Off, Dummy_File_Control_Block);
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-- Yes, we know this is never assigned a value, only the tag
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-- is used for dispatching purposes, so that's expected.
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begin
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FIO.Open (File_Ptr => AP (File),
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Dummy_FCB => Dummy_File_Control_Block,
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Mode => Mode,
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Name => Name,
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Form => Form,
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Amethod => 'Q',
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Creat => True,
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Text => False);
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end Create;
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----------
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-- Open --
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----------
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procedure Open
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(File : in out File_Type;
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Mode : FCB.File_Mode;
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Name : String;
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Form : String := "")
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is
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Dummy_File_Control_Block : Sequential_AFCB;
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pragma Warnings (Off, Dummy_File_Control_Block);
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-- Yes, we know this is never assigned a value, only the tag
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-- is used for dispatching purposes, so that's expected.
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begin
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FIO.Open (File_Ptr => AP (File),
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Dummy_FCB => Dummy_File_Control_Block,
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Mode => Mode,
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Name => Name,
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Form => Form,
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Amethod => 'Q',
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Creat => False,
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Text => False);
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end Open;
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----------
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-- Read --
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----------
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-- Not used, since Sequential_IO files are not used as streams
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procedure Read
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(File : in out Sequential_AFCB;
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Item : out Ada.Streams.Stream_Element_Array;
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Last : out Ada.Streams.Stream_Element_Offset)
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is
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begin
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raise Program_Error;
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end Read;
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-----------
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-- Write --
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-----------
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-- Not used, since Sequential_IO files are not used as streams
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procedure Write
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(File : in out Sequential_AFCB;
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Item : Ada.Streams.Stream_Element_Array)
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is
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begin
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raise Program_Error;
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end Write;
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end System.Sequential_IO;
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