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

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    /* -*- 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>
    #include <assert.h>

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

    #include <systools/win32/uwinapi.h>
    #include <../tools/seterror.hxx>

    #ifdef DEBUG
    inline void OutputDebugStringFormat( LPCSTR pFormat, ... )
    {
        CHAR    buffer[1024];
        va_list args;

        va_start( args, pFormat );
        StringCchVPrintfA( buffer, sizeof(buffer), pFormat, args );
        OutputDebugStringA( buffer );
        va_end(args);
    }
    #else
    static inline void OutputDebugStringFormat( LPCSTR, ... )
    {
    }
    #endif

    static 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;
    }

    static BOOL RemoveCompleteDirectory( std::_tstring sPath )
    {
        bool bDirectoryRemoved = true;

        std::_tstring sPattern = sPath + TEXT("\\") + TEXT("*.*");
        WIN32_FIND_DATA aFindData;

        // Finding all content in sPath

        HANDLE hFindContent = FindFirstFile( sPattern.c_str(), &aFindData );

        if ( hFindContent != INVALID_HANDLE_VALUE )
        {
            bool fNextFile = false;
            std::_tstring sCurrentDir = TEXT(".");
            std::_tstring sParentDir = TEXT("..");

            do
            {
                std::_tstring sFileName = aFindData.cFileName;

                if (( strcmp(sFileName.c_str(),sCurrentDir.c_str()) != 0 ) &&
                    ( strcmp(sFileName.c_str(),sParentDir.c_str()) != 0 ))
                {
                    std::_tstring sCompleteFileName = sPath + TEXT("\\") + sFileName;

                    if ( aFindData.dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY )
                    {
                        RemoveCompleteDirectory(sCompleteFileName);
                    }
                    else
                    {
                        DeleteFile( sCompleteFileName.c_str() );
                    }
                }

                fNextFile = FindNextFile( hFindContent, &aFindData );

            } while ( fNextFile );

            FindClose( hFindContent );

            // empty directory can be removed now
            // RemoveDirectory is only successful, if the last handle to the directory is closed
            // -> first removing content -> closing handle -> remove empty directory

            if( !( RemoveDirectory(sPath.c_str()) ) )
            {
                bDirectoryRemoved = false;
            }
        }

        return bDirectoryRemoved;
    }

    extern "C" UINT __stdcall RenamePrgFolder( MSIHANDLE handle )<--- The function 'RenamePrgFolder' is never used.
    {
        std::_tstring sOfficeInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));

        std::_tstring sRenameSrc = sOfficeInstallPath + TEXT("program");
        std::_tstring sRenameDst = sOfficeInstallPath + TEXT("program_old");

        bool bSuccess = MoveFile( sRenameSrc.c_str(), sRenameDst.c_str() );
        if ( !bSuccess )
        {
            TCHAR sAppend[2] = TEXT("0");
            for ( int i = 0; i < 10; i++ )
            {
                sRenameDst = sOfficeInstallPath + TEXT("program_old") + sAppend;
                bSuccess = MoveFile( sRenameSrc.c_str(), sRenameDst.c_str() );
                if ( bSuccess )
                    break;
                sAppend[0] += 1;
            }
        }

        return ERROR_SUCCESS;
    }

    extern "C" UINT __stdcall RemovePrgFolder( MSIHANDLE handle )<--- The function 'RemovePrgFolder' is never used.
    {
        std::_tstring sOfficeInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
        std::_tstring sRemoveDir = sOfficeInstallPath + TEXT("program_old");

        RemoveCompleteDirectory( sRemoveDir );

        TCHAR sAppend[2] = TEXT("0");
        for ( int i = 0; i < 10; i++ )
        {
            sRemoveDir = sOfficeInstallPath + TEXT("program_old") + sAppend;
            RemoveCompleteDirectory( sRemoveDir );
            sAppend[0] += 1;
        }

        return ERROR_SUCCESS;
    }

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