# Cppcheck report - LibreOffice: setup_native/source/win32/customactions/shellextensions/migrateinstallpath.cxx

      1
      2
      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
     17
     18
     19
     20
     21
     22
     23
     24
     25
     26
     27
     28
     29
     30
     31
     32
     33
     34
     35
     36
     37
     38
     39
     40
     41
     42
     43
     44
     45
     46
     47
     48
     49
     50
     51
     52
     53
     54
     55
     56
     57
     58
     59
     60
     61
     62
     63
     64
     65
     66
     67
     68
     69
     70
     71
     72
     73
     74
     75
     76
     77
     78
     79
     80
     81
     82
     83
     84
     85
     86
     87
     88
     89
     90
     91
     92
     93
     94
     95
     96
     97
     98
     99
    100
    101
    102
    103
    104
    105
    106

    /* -*- 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 .
     */

    #ifdef _MSC_VER
    #pragma warning(push, 1) /* disable warnings within system headers */
    #endif
    #define WIN32_LEAN_AND_MEAN
    #include <windows.h>
    #include <msiquery.h>
    #ifdef _MSC_VER
    #pragma warning(pop)
    #endif

    #include <malloc.h>

    #ifdef UNICODE
    #define _UNICODE
    #define _tstring    wstring
    #else
    #define _tstring    string
    #endif
    #include <tchar.h>
    #include <string>

    using namespace std;

    namespace
    {
        std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
        {
            std::_tstring   result;
            TCHAR   szDummy[1] = TEXT("");
            DWORD   nChars = 0;

            if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
            {
                DWORD nBytes = ++nChars * sizeof(TCHAR);
                LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
                ZeroMemory( buffer, nBytes );
                MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
                result = buffer;
            }

            return  result;
        }
    } // namespace

    extern "C" UINT __stdcall MigrateInstallPath( MSIHANDLE handle )<--- The function 'MigrateInstallPath' is never used.
    {
        TCHAR   szValue[8192];
        DWORD   nValueSize = sizeof(szValue);
        HKEY    hKey;
        std::_tstring   sInstDir;

        std::_tstring   sManufacturer = GetMsiProperty( handle, TEXT("Manufacturer") );
        std::_tstring   sDefinedName = GetMsiProperty( handle, TEXT("DEFINEDPRODUCT") );
        std::_tstring   sUpdateVersion = GetMsiProperty( handle, TEXT("DEFINEDVERSION") );
        std::_tstring   sUpgradeCode = GetMsiProperty( handle, TEXT("UpgradeCode") );

        std::_tstring   sProductKey = "Software\\" + sManufacturer + "\\" + sDefinedName +
                                            "\\" + sUpdateVersion + "\\" + sUpgradeCode;

        if ( ERROR_SUCCESS == RegOpenKey( HKEY_CURRENT_USER,  sProductKey.c_str(), &hKey ) )
        {
            if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
            {
                sInstDir = szValue;
                MsiSetProperty(handle, TEXT("INSTALLLOCATION"), sInstDir.c_str());
                // MessageBox( NULL, sInstDir.c_str(), "Found in HKEY_CURRENT_USER", MB_OK );
            }

            RegCloseKey( hKey );
        }
        else if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  sProductKey.c_str(), &hKey ) )
        {
            if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("INSTALLLOCATION"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
            {
                sInstDir = szValue;
                MsiSetProperty(handle, TEXT("INSTALLLOCATION"), sInstDir.c_str());
                // MessageBox( NULL, sInstDir.c_str(), "Found in HKEY_LOCAL_MACHINE", MB_OK );
            }

            RegCloseKey( hKey );
        }

        return ERROR_SUCCESS;

    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */