| 1 | /* $Id: rtFileNativeSetAttributes-win.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - NtSetInformationFile wrapper.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 | /*******************************************************************************
|
|---|
| 28 | * Header Files *
|
|---|
| 29 | *******************************************************************************/
|
|---|
| 30 | /* APIs used here require DDK headers. */
|
|---|
| 31 | #include <wdm.h>
|
|---|
| 32 |
|
|---|
| 33 | /* Declare ntdll exports. */
|
|---|
| 34 | extern "C"
|
|---|
| 35 | {
|
|---|
| 36 | NTSYSAPI ULONG NTAPI RtlNtStatusToDosError (IN NTSTATUS Status);
|
|---|
| 37 |
|
|---|
| 38 | NTSYSAPI NTSTATUS NTAPI NtSetInformationFile(IN HANDLE FileHandle,
|
|---|
| 39 | OUT PIO_STATUS_BLOCK IoStatusBlock,
|
|---|
| 40 | IN PVOID FileInformation,
|
|---|
| 41 | IN ULONG Length,
|
|---|
| 42 | IN FILE_INFORMATION_CLASS FileInformationClass);
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 | /** Windows/NT worker.
|
|---|
| 46 | * @todo rename to rtFileWinSetAttributes */
|
|---|
| 47 | int rtFileNativeSetAttributes(HANDLE hFile, ULONG fAttributes)
|
|---|
| 48 | {
|
|---|
| 49 | IO_STATUS_BLOCK IoStatusBlock;
|
|---|
| 50 | memset(&IoStatusBlock, 0, sizeof(IoStatusBlock));
|
|---|
| 51 |
|
|---|
| 52 | /*
|
|---|
| 53 | * Members that are set 0 will not be modified on the file object.
|
|---|
| 54 | * See http://msdn.microsoft.com/en-us/library/aa491634.aspx (the struct docs)
|
|---|
| 55 | * for details.
|
|---|
| 56 | */
|
|---|
| 57 | FILE_BASIC_INFORMATION Info;
|
|---|
| 58 | memset(&Info, 0, sizeof(Info));
|
|---|
| 59 | Info.FileAttributes = fAttributes;
|
|---|
| 60 |
|
|---|
| 61 | /** @todo resolve dynamically to avoid dragging in NtDll? */
|
|---|
| 62 | NTSTATUS Status = NtSetInformationFile(hFile,
|
|---|
| 63 | &IoStatusBlock,
|
|---|
| 64 | &Info,
|
|---|
| 65 | sizeof(Info),
|
|---|
| 66 | FileBasicInformation);
|
|---|
| 67 |
|
|---|
| 68 | return RtlNtStatusToDosError(Status);
|
|---|
| 69 | }
|
|---|
| 70 |
|
|---|
