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Diffstat (limited to '')
-rw-r--r-- | setup_native/source/win32/customactions/tools/checkversion.cxx | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/setup_native/source/win32/customactions/tools/checkversion.cxx b/setup_native/source/win32/customactions/tools/checkversion.cxx new file mode 100644 index 000000000..3f0b30f3c --- /dev/null +++ b/setup_native/source/win32/customactions/tools/checkversion.cxx @@ -0,0 +1,98 @@ +/* -*- 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; +} + + +#ifdef DEBUG +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: */ |