rtFileNativeSetAttributes-win.cpp revision d908c6ebe24341414484885c4a686811c2434755
/* $Id$ */
/** @file
* IPRT - NtSetInformationFile wrapper.
*/
/*
* Copyright (C) 2009 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
/* APIs used here require DDK headers. */
#include <wdm.h>
/* Declare ntdll exports. */
extern "C"
{
NTSYSAPI ULONG NTAPI RtlNtStatusToDosError (IN NTSTATUS Status);
NTSYSAPI NTSTATUS NTAPI NtSetInformationFile(IN HANDLE FileHandle,
OUT PIO_STATUS_BLOCK IoStatusBlock,
IN PVOID FileInformation,
IN ULONG Length,
IN FILE_INFORMATION_CLASS FileInformationClass);
}
/** Windows/NT worker.
* @todo rename to rtFileWinSetAttributes */
int rtFileNativeSetAttributes(HANDLE hFile, ULONG fAttributes)
{
IO_STATUS_BLOCK IoStatusBlock;
memset(&IoStatusBlock, 0, sizeof(IoStatusBlock));
/*
* Members that are set 0 will not be modified on the file object.
* See http://msdn.microsoft.com/en-us/library/aa491634.aspx (the struct docs)
* for details.
*/
FILE_BASIC_INFORMATION Info;
memset(&Info, 0, sizeof(Info));
Info.FileAttributes = fAttributes;
NTSTATUS Status = NtSetInformationFile(hFile,
&IoStatusBlock,
&Info,
sizeof(Info),
FileBasicInformation);
return RtlNtStatusToDosError(Status);
}