1 | /* $Id: VBoxCommon.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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2 | /** @file
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3 | * VBoxCommon - Misc helper routines for install helper.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2008-2020 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #include <iprt/win/windows.h>
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23 | #include <tchar.h>
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24 | #include <stdio.h>
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25 |
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26 | #include <msi.h>
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27 | #include <msiquery.h>
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28 |
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29 |
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30 | #if (_MSC_VER < 1400) /* Provide swprintf_s to VC < 8.0. */
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31 | int swprintf_s(WCHAR *buffer, size_t cbBuffer, const WCHAR *format, ...)
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32 | {
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33 | int ret;
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34 | va_list va;
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35 | va_start(va, format);
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36 | ret = _vsnwprintf(buffer, cbBuffer, format, va);
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37 | va_end(va);
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38 | return ret;
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39 | }
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40 | #endif
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41 |
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42 | UINT VBoxGetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue, DWORD a_dwSize)
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43 | {
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44 | DWORD dwBuffer = 0;
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45 | UINT uiRet = MsiGetPropertyW(a_hModule, a_pwszName, L"", &dwBuffer);
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46 | if (uiRet == ERROR_MORE_DATA)
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47 | {
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48 | ++dwBuffer; /* On output does not include terminating null, so add 1. */
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49 |
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50 | if (dwBuffer > a_dwSize)
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51 | return ERROR_MORE_DATA;
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52 |
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53 | ZeroMemory(a_pwszValue, a_dwSize);
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54 | uiRet = MsiGetPropertyW(a_hModule, a_pwszName, a_pwszValue, &dwBuffer);
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55 | }
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56 | return uiRet;
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57 | }
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58 |
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59 | UINT VBoxSetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue)
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60 | {
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61 | return MsiSetPropertyW(a_hModule, a_pwszName, a_pwszValue);
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62 | }
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63 |
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