forked from amazingfate/loongoffice
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#define UNICODE
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#ifdef _MSC_VER
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#pragma warning(push,1) // disable warnings within system headers
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#endif
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#include <windows.h>
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#include <msiquery.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#include <string.h>
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#include <malloc.h>
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#include <stdio.h>
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#include "strsafe.h"
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#include <seterror.hxx>
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BOOL GetMsiProp( MSIHANDLE hMSI, const wchar_t* pPropName, wchar_t** ppValue )
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{
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DWORD sz = 0;
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if ( MsiGetProperty( hMSI, pPropName, L"", &sz ) == ERROR_MORE_DATA )
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{
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sz++;
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DWORD nbytes = sz * sizeof( wchar_t );
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wchar_t* buff = reinterpret_cast<wchar_t*>( malloc( nbytes ) );
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ZeroMemory( buff, nbytes );
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MsiGetProperty( hMSI, pPropName, buff, &sz );
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*ppValue = buff;
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return TRUE;
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}
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return FALSE;
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}
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#ifdef DEBUG
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inline void OutputDebugStringFormat( LPCTSTR pFormat, ... )
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{
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TCHAR buffer[1024];
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va_list args;
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va_start( args, pFormat );
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StringCchVPrintf( buffer, sizeof(buffer), pFormat, args );
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OutputDebugString( buffer );
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va_end(args);
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}
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#else
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static inline void OutputDebugStringFormat( LPCTSTR, ... )
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{
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}
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#endif
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extern "C" UINT __stdcall CheckVersions( MSIHANDLE hMSI )
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{
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// MessageBox(NULL, L"CheckVersions", L"Information", MB_OK | MB_ICONINFORMATION);
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wchar_t* pVal = NULL;
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if ( GetMsiProp( hMSI, L"NEWPRODUCTS", &pVal ) && pVal )
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{
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OutputDebugStringFormat( TEXT("DEBUG: NEWPRODUCTS found [%s]"), pVal );
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if ( *pVal != 0 )
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SetMsiErrorCode( MSI_ERROR_NEW_VERSION_FOUND );
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free( pVal );
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}
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pVal = NULL;
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if ( GetMsiProp( hMSI, L"OLDPRODUCTS", &pVal ) && pVal )
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{
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OutputDebugStringFormat( TEXT("DEBUG: OLDPRODUCTS found [%s]"), pVal );
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if ( *pVal != 0 )
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SetMsiErrorCode( MSI_ERROR_OLD_VERSION_FOUND );
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free( pVal );
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}
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pVal = NULL;
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return ERROR_SUCCESS;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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