VBoxCommon.cpp revision 18470279db8a9fdd714617adbe1aa8b63cc80aee
/* $Id: */
/** @file
* VBoxCommon - Misc helper routines for install helper.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* 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.
*/
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <msi.h>
#include <msiquery.h>
UINT VBoxGetProperty(MSIHANDLE a_hModule, TCHAR* a_pszName, TCHAR* a_pValue, DWORD a_dwSize)
{
UINT uiRet = ERROR_SUCCESS;
DWORD dwBuffer = 0;
uiRet = MsiGetProperty(a_hModule, a_pszName, TEXT(""), &dwBuffer);
if (ERROR_MORE_DATA == uiRet)
{
++dwBuffer; /* On output does not include terminating null, so add 1. */
if (dwBuffer > a_dwSize)
return ERROR_MORE_DATA;
ZeroMemory(a_pValue, a_dwSize);
uiRet = MsiGetProperty(a_hModule, a_pszName, a_pValue, &dwBuffer);
}
return uiRet;
}
UINT VBoxSetProperty(MSIHANDLE a_hModule, TCHAR* a_pszName, TCHAR* a_pValue)
{
return MsiSetProperty(a_hModule, a_pszName, a_pValue);
}