98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <msiquery.h>
|
|
|
|
#include <cassert>
|
|
#include <string.h>
|
|
#include <malloc.h>
|
|
#include <stdio.h>
|
|
#include <strsafe.h>
|
|
|
|
#include "seterror.hxx"
|
|
|
|
|
|
static bool GetMsiPropW( MSIHANDLE hMSI, const wchar_t* pPropName, wchar_t** ppValue )
|
|
{
|
|
DWORD sz = 0;
|
|
if ( MsiGetPropertyW( hMSI, pPropName, const_cast<wchar_t *>(L""), &sz ) == ERROR_MORE_DATA )
|
|
{
|
|
sz++;
|
|
DWORD nbytes = sz * sizeof( wchar_t );
|
|
wchar_t* buff = static_cast<wchar_t*>( malloc( nbytes ) );
|
|
assert(buff); // Don't handle OOM conditions
|
|
ZeroMemory( buff, nbytes );
|
|
MsiGetPropertyW( hMSI, pPropName, buff, &sz );
|
|
*ppValue = buff;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
#if OSL_DEBUG_LEVEL >= 2
|
|
inline void OutputDebugStringFormatW( PCWSTR pFormat, ... )
|
|
{
|
|
WCHAR buffer[1024];
|
|
va_list args;
|
|
|
|
va_start( args, pFormat );
|
|
StringCchVPrintfW( buffer, sizeof(buffer)/sizeof(buffer[0]), pFormat, args );
|
|
OutputDebugStringW( buffer );
|
|
va_end(args);
|
|
}
|
|
#else
|
|
static void OutputDebugStringFormatW( PCWSTR, ... )
|
|
{
|
|
}
|
|
#endif
|
|
|
|
|
|
extern "C" __declspec(dllexport) UINT __stdcall CheckVersions( MSIHANDLE hMSI )
|
|
{
|
|
// MessageBoxW(NULL, L"CheckVersions", L"Information", MB_OK | MB_ICONINFORMATION);
|
|
|
|
wchar_t* pVal = nullptr;
|
|
|
|
if ( GetMsiPropW( hMSI, L"NEWPRODUCTS", &pVal ) && pVal )
|
|
{
|
|
OutputDebugStringFormatW( L"DEBUG: NEWPRODUCTS found [%s]", pVal );
|
|
if ( *pVal != 0 )
|
|
SetMsiErrorCode( MSI_ERROR_NEW_VERSION_FOUND );
|
|
free( pVal );
|
|
}
|
|
pVal = nullptr;
|
|
if ( GetMsiPropW( hMSI, L"OLDPRODUCTS", &pVal ) && pVal )
|
|
{
|
|
OutputDebugStringFormatW( L"DEBUG: OLDPRODUCTS found [%s]", pVal );
|
|
if ( *pVal != 0 )
|
|
SetMsiErrorCode( MSI_ERROR_OLD_VERSION_FOUND );
|
|
free( pVal );
|
|
}
|
|
pVal = nullptr;
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|