VBoxCommon.cpp revision b0e88382fa6cab5a202902e8e3fbbd8a7ce5e4ed
/* $Id$ */
/** @file
* VBoxCommon - Misc helper routines for install helper.
*/
/*
* Copyright (C) 2008-2012 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <msi.h>
#include <msiquery.h>
#if (_MSC_VER < 1400) /* Provide swprintf_s to VC < 8.0. */
int swprintf_s(WCHAR *buffer, size_t cbBuffer, const WCHAR *format, ...)
{
int ret;
va_list va;
va_start(va, format);
ret = _vsnwprintf(buffer, cbBuffer, format, va);
va_end(va);
return ret;
}
#endif
UINT VBoxGetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue, DWORD a_dwSize)
{
DWORD dwBuffer = 0;
UINT uiRet = MsiGetPropertyW(a_hModule, a_pwszName, L"", &dwBuffer);
if (uiRet == ERROR_MORE_DATA)
{
++dwBuffer; /* On output does not include terminating null, so add 1. */
if (dwBuffer > a_dwSize)
return ERROR_MORE_DATA;
ZeroMemory(a_pwszValue, a_dwSize);
uiRet = MsiGetPropertyW(a_hModule, a_pwszName, a_pwszValue, &dwBuffer);
}
return uiRet;
}
UINT VBoxSetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue)
{
return MsiSetPropertyW(a_hModule, a_pwszName, a_pwszValue);
}