clang-cl loplugin: desktop

Change-Id: If2f5bfa6c05098c5362cd6c7b546520dc01ee821
Reviewed-on: https://gerrit.libreoffice.org/29871
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

15 files changed, 113 insertions, 138 deletions

diff --git a/desktop/source/app/app.cxx b/desktop/source/app/app.cxx
index 6be6d6139bfa..6396a239f3cb 100644
--- a/desktop/source/app/app.cxx
+++ b/desktop/source/app/app.cxx
@@ -2070,7 +2070,7 @@ void Desktop::OpenClients()
 #if defined UNX
             aHelpURLBuffer.append("&System=UNX");
 #elif defined WNT
-            aHelpURLBuffer.appendAscii("&System=WIN");
+            aHelpURLBuffer.append("&System=WIN");
 #endif
             Application::GetHelp()->Start(
                 aHelpURLBuffer.makeStringAndClear(), nullptr);
@@ -2664,7 +2664,7 @@ void Desktop::CheckFirstRun( )
         HKEY hKey;
         if ( ERROR_SUCCESS == RegOpenKey( HKEY_LOCAL_MACHINE,  "Software\\LibreOffice", &hKey ) )
         {
-            if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("RunQuickstartAtFirstStart"), NULL, NULL, (LPBYTE)szValue, &nValueSize ) )
+            if ( ERROR_SUCCESS == RegQueryValueEx( hKey, TEXT("RunQuickstartAtFirstStart"), nullptr, nullptr, reinterpret_cast<LPBYTE>(szValue), &nValueSize ) )
             {
                 css::uno::Reference< css::uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
                 css::office::Quickstart::createAutoStart(xContext, true/*Quickstart*/, true/*bAutostart*/);
diff --git a/desktop/source/app/cmdlinehelp.cxx b/desktop/source/app/cmdlinehelp.cxx
index a674b5e156d1..c8226c6d3bbc 100644
--- a/desktop/source/app/cmdlinehelp.cxx
+++ b/desktop/source/app/cmdlinehelp.cxx
@@ -173,12 +173,12 @@ namespace desktop
                     RTL_TEXTENCODING_ASCII_US).getStr());
 #else
         // rest gets a dialog box
-        CmdlineHelpDialog aDlg;
-        aDlg.m_pftHead->SetText(aHelpMessage_version + aHelpMessage_head);
-        aDlg.m_pftLeft->SetText(aHelpMessage_left);
-        aDlg.m_pftRight->SetText(aHelpMessage_right);
-        aDlg.m_pftBottom->SetText(aHelpMessage_bottom);
-        aDlg.Execute();
+        ScopedVclPtrInstance<CmdlineHelpDialog> aDlg;
+        aDlg->m_pftHead->SetText(aHelpMessage_version + aHelpMessage_head);
+        aDlg->m_pftLeft->SetText(aHelpMessage_left);
+        aDlg->m_pftRight->SetText(aHelpMessage_right);
+        aDlg->m_pftBottom->SetText(aHelpMessage_bottom);
+        aDlg->Execute();
 #endif
     }
 
@@ -190,24 +190,38 @@ namespace desktop
         fprintf(stdout, "%s", OUStringToOString(aVersionMsg, RTL_TEXTENCODING_ASCII_US).getStr());
 #else
         // Just re-use the help dialog for now.
-        CmdlineHelpDialog aDlg;
-        aDlg.m_pftHead->SetText(aVersionMsg);
-        aDlg.m_pftLeft->SetText("");
-        aDlg.m_pftRight->SetText("");
-        aDlg.m_pftBottom->SetText("");
-        aDlg.Execute();
+        ScopedVclPtrInstance<CmdlineHelpDialog> aDlg;
+        aDlg->m_pftHead->SetText(aVersionMsg);
+        aDlg->m_pftLeft->SetText("");
+        aDlg->m_pftRight->SetText("");
+        aDlg->m_pftBottom->SetText("");
+        aDlg->Execute();
 #endif
     }
 
 #ifndef UNX
     CmdlineHelpDialog::CmdlineHelpDialog()
-    : ModalDialog( NULL, "CmdLineHelp", "desktop/ui/cmdlinehelp.ui" )
+    : ModalDialog( nullptr, "CmdLineHelp", "desktop/ui/cmdlinehelp.ui" )
     {
         get(m_pftHead, "header");
         get(m_pftLeft, "left");
         get(m_pftRight, "right");
         get(m_pftBottom, "bottom");
     }
+
+    CmdlineHelpDialog::~CmdlineHelpDialog()
+    {
+        disposeOnce();
+    }
+
+    void CmdlineHelpDialog::dispose()
+    {
+        m_pftHead.disposeAndClear();
+        m_pftLeft.disposeAndClear();
+        m_pftRight.disposeAndClear();
+        m_pftBottom.disposeAndClear();
+        ModalDialog::dispose();
+    }
 #endif
 }
 
diff --git a/desktop/source/app/cmdlinehelp.hxx b/desktop/source/app/cmdlinehelp.hxx
index d7b7233ab3ac..cbf1da41c35a 100644
--- a/desktop/source/app/cmdlinehelp.hxx
+++ b/desktop/source/app/cmdlinehelp.hxx
@@ -34,10 +34,15 @@ namespace desktop
     public:
         CmdlineHelpDialog();
 
+        ~CmdlineHelpDialog() override;
+
         VclPtr<FixedText>   m_pftHead;
         VclPtr<FixedText>   m_pftLeft;
         VclPtr<FixedText>   m_pftRight;
         VclPtr<FixedText>   m_pftBottom;
+
+    private:
+        void dispose() override;
     };
 #endif
 }
diff --git a/desktop/source/app/officeipcthread.cxx b/desktop/source/app/officeipcthread.cxx
index a5be36c03789..7a2fd4624a58 100644
--- a/desktop/source/app/officeipcthread.cxx
+++ b/desktop/source/app/officeipcthread.cxx
@@ -1136,7 +1136,7 @@ bool IpcThread::process(OString const & arguments, bool * waitProcessed) {
 #if defined UNX
                 aHelpURLBuffer.append("&System=UNX");
 #elif defined WNT
-                aHelpURLBuffer.appendAscii("&System=WIN");
+                aHelpURLBuffer.append("&System=WIN");
 #endif
                 ApplicationEvent* pAppEvent = new ApplicationEvent(
                     ApplicationEvent::Type::OpenHelpUrl,
diff --git a/desktop/source/deployment/gui/dp_gui_extensioncmdqueue.cxx b/desktop/source/deployment/gui/dp_gui_extensioncmdqueue.cxx
index 7105f899f384..8409ca9bcf1c 100644
--- a/desktop/source/deployment/gui/dp_gui_extensioncmdqueue.cxx
+++ b/desktop/source/deployment/gui/dp_gui_extensioncmdqueue.cxx
@@ -682,7 +682,7 @@ void ExtensionCmdQueue::Thread::execute()
     //Needed for use of the service "com.sun.star.system.SystemShellExecute" in
     //DialogHelper::openWebBrowser
     CoUninitialize();
-    (void) CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
+    (void) CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 #endif
     for (;;)
     {
diff --git a/desktop/source/deployment/misc/dp_misc.cxx b/desktop/source/deployment/misc/dp_misc.cxx
index 3bb4ec041a40..01f1ab95dca1 100644
--- a/desktop/source/deployment/misc/dp_misc.cxx
+++ b/desktop/source/deployment/misc/dp_misc.cxx
@@ -471,7 +471,7 @@ void writeConsoleWithStream(OUString const & sText, HANDLE stream)
 {
     DWORD nWrittenChars = 0;
     WriteFile(stream, sText.getStr(),
-        sText.getLength() * 2, &nWrittenChars, NULL);
+        sText.getLength() * 2, &nWrittenChars, nullptr);
 }
 #else
 void writeConsoleWithStream(OUString const & sText, FILE * stream)
@@ -506,7 +506,7 @@ OUString readConsole()
     sal_Unicode aBuffer[1024];
     DWORD   dwRead = 0;
     //unopkg.com feeds unopkg.exe with wchar_t|s
-    if (ReadFile( GetStdHandle(STD_INPUT_HANDLE), &aBuffer, sizeof(aBuffer), &dwRead, NULL ) )
+    if (ReadFile( GetStdHandle(STD_INPUT_HANDLE), &aBuffer, sizeof(aBuffer), &dwRead, nullptr ) )
     {
         OSL_ASSERT((dwRead % 2) == 0);
         OUString value( aBuffer, dwRead / 2);
diff --git a/desktop/source/deployment/misc/lockfile.cxx b/desktop/source/deployment/misc/lockfile.cxx
index f33cd703fa5d..fa30bf256fee 100644
--- a/desktop/source/deployment/misc/lockfile.cxx
+++ b/desktop/source/deployment/misc/lockfile.cxx
@@ -46,9 +46,9 @@ static OString impl_getHostname()
        prevent windows from connecting to the net to get its own
        hostname by using the netbios name
        */
-    sal_Int32 sz = MAX_COMPUTERNAME_LENGTH + 1;
+    DWORD sz = MAX_COMPUTERNAME_LENGTH + 1;
     char* szHost = new char[sz];
-    if (GetComputerName(szHost, (LPDWORD)&sz))
+    if (GetComputerName(szHost, &sz))
         aHost = OString(szHost);
     else
         aHost = OString("UNKNOWN");
diff --git a/desktop/win32/source/QuickStart/QuickStart.cxx b/desktop/win32/source/QuickStart/QuickStart.cxx
index 5bf3fa6818bc..2c426be6c2bb 100644
--- a/desktop/win32/source/QuickStart/QuickStart.cxx
+++ b/desktop/win32/source/QuickStart/QuickStart.cxx
@@ -19,17 +19,32 @@
 
 // QuickStart.cpp : Defines the entry point for the application.
 
+#include <sal/config.h>
+
+#if defined _MSC_VER
+#pragma warning(push, 1)
+#endif
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <shellapi.h>
+#if defined _MSC_VER
+#pragma warning(pop)
+#endif
 
-#include "StdAfx.h"
 #include "resource.h"
 #include <systools/win32/uwinapi.h>
 #include <systools/win32/qswin32.h>
+
 #include <stdio.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <memory.h>
+#include <tchar.h>
 
 bool SofficeRuns()
 {
     // check for soffice by searching the communication window
-    return ( FindWindowEx( NULL, NULL, QUICKSTART_CLASSNAME, NULL ) == NULL ) ? false : true;
+    return FindWindowEx( nullptr, nullptr, QUICKSTART_CLASSNAME, nullptr ) != nullptr;
 }
 
 bool launchSoffice( )
@@ -39,7 +54,7 @@ bool launchSoffice( )
         char filename[_MAX_PATH + 1];
 
         filename[_MAX_PATH] = 0;
-        GetModuleFileName( NULL, filename, _MAX_PATH ); // soffice resides in the same dir
+        GetModuleFileName( nullptr, filename, _MAX_PATH ); // soffice resides in the same dir
         char *p = strrchr( filename, '\\' );
         if ( !p )
             return false;
@@ -72,7 +87,7 @@ int APIENTRY WinMain(HINSTANCE /*hInstance*/,
     {
         if ( 0 == strcmp( __argv[i], "--killtray" ) )
         {
-            HWND hwndTray = FindWindow( QUICKSTART_CLASSNAME, NULL );
+            HWND hwndTray = FindWindow( QUICKSTART_CLASSNAME, nullptr );
 
             if ( hwndTray )
             {
diff --git a/desktop/win32/source/QuickStart/StdAfx.h b/desktop/win32/source/QuickStart/StdAfx.h
deleted file mode 100644
index 74dcd6708b06..000000000000
--- a/desktop/win32/source/QuickStart/StdAfx.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* -*- 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 .
- */
-// stdafx.h : include file for standard system include files,
-//  or project specific include files that are used frequently, but
-//      are changed infrequently
-
-
-#if !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_)
-#define AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_
-
-#ifdef _MSC_VER
-#pragma once
-#endif
-
-#define WIN32_LEAN_AND_MEAN     // Exclude rarely-used stuff from Windows headers
-
-
-// Windows Header Files:
-#if defined _MSC_VER
-#pragma warning(push, 1)
-#endif
-#include <windows.h>
-#include <shellapi.h>
-#if defined _MSC_VER
-#pragma warning(pop)
-#endif
-
-// C RunTime Header Files
-#include <stdlib.h>
-#include <malloc.h>
-#include <memory.h>
-#include <tchar.h>
-
-// Local Header Files
-
-// TODO: reference additional headers your program requires here
-
-//{{AFX_INSERT_LOCATION}}
-// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
-
-#endif // !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_)
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/desktop/win32/source/applauncher/launcher.cxx b/desktop/win32/source/applauncher/launcher.cxx
index 2aac505e80b7..029d1a17b28c 100644
--- a/desktop/win32/source/applauncher/launcher.cxx
+++ b/desktop/win32/source/applauncher/launcher.cxx
@@ -43,7 +43,7 @@ extern "C" int APIENTRY _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
     LPTSTR  lpCommandLine = GetCommandLine();
 
     {
-        lpCommandLine = (LPTSTR)_alloca( sizeof(_TCHAR) * (_tcslen(lpCommandLine) + _tcslen(APPLICATION_SWITCH) + 2) );
+        lpCommandLine = static_cast<LPTSTR>(_alloca( sizeof(_TCHAR) * (_tcslen(lpCommandLine) + _tcslen(APPLICATION_SWITCH) + 2) ));
 
         _tcscpy( lpCommandLine, GetCommandLine() );
         _tcscat( lpCommandLine, _T(" ") );
@@ -59,7 +59,7 @@ extern "C" int APIENTRY _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
     TCHAR   szFileName[MAX_PATH];
     TCHAR   szExt[MAX_PATH];
 
-    GetModuleFileName( NULL, szApplicationName, MAX_PATH );
+    GetModuleFileName( nullptr, szApplicationName, MAX_PATH );
     _tsplitpath( szApplicationName, szDrive, szDir, szFileName, szExt );
     _tmakepath( szApplicationName, szDrive, szDir, _T("soffice"), _T(".exe") );
 
@@ -69,12 +69,12 @@ extern "C" int APIENTRY _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
     BOOL    fSuccess = CreateProcess(
         szApplicationName,
         lpCommandLine,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         TRUE,
         0,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         &aStartupInfo,
         &aProcessInfo );
 
@@ -98,16 +98,16 @@ extern "C" int APIENTRY _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
     FormatMessage(
         FORMAT_MESSAGE_ALLOCATE_BUFFER |
         FORMAT_MESSAGE_FROM_SYSTEM,
-        NULL,
+        nullptr,
         dwError,
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-        (LPTSTR)&lpMsgBuf,
+        reinterpret_cast<LPTSTR>(&lpMsgBuf),
         0,
-        NULL
+        nullptr
     );
 
     // Display the string.
-    MessageBox( NULL, (LPCTSTR)lpMsgBuf, NULL, MB_OK | MB_ICONERROR );
+    MessageBox( nullptr, static_cast<LPCTSTR>(lpMsgBuf), nullptr, MB_OK | MB_ICONERROR );
 
     // Free the buffer.
     LocalFree( lpMsgBuf );
diff --git a/desktop/win32/source/guiloader/genericloader.cxx b/desktop/win32/source/guiloader/genericloader.cxx
index 76ee748de1a4..5398610d396e 100644
--- a/desktop/win32/source/guiloader/genericloader.cxx
+++ b/desktop/win32/source/guiloader/genericloader.cxx
@@ -69,7 +69,7 @@ static int GenericMain()
     bool hasRedirect =
         tools::buildPath(
             redirect, szIniDirectory, szIniDirectory + iniDirLen,
-            MY_STRING(L"redirect.ini")) != NULL &&
+            MY_STRING(L"redirect.ini")) != nullptr &&
         (GetBinaryType(redirect, &dummy) || // cheaper check for file existence?
          GetLastError() != ERROR_FILE_NOT_FOUND);
     LPTSTR cl1 = GetCommandLine();
@@ -101,11 +101,11 @@ static int GenericMain()
     BOOL fSuccess = CreateProcess(
         szTargetFileName,
         cl2,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         TRUE,
         0,
-        NULL,
+        nullptr,
         szIniDirectory,
         &aStartupInfo,
         &aProcessInfo );
@@ -127,7 +127,7 @@ static int GenericMain()
             {
                 MSG msg;
 
-                PeekMessage( &msg, NULL, 0, 0, PM_REMOVE );
+                PeekMessage( &msg, nullptr, 0, 0, PM_REMOVE );
             }
         } while ( WAIT_OBJECT_0 + 1 == dwWaitResult );
 
diff --git a/desktop/win32/source/guistdio/guistdio.inc b/desktop/win32/source/guistdio/guistdio.inc
index f918807ae9d5..d688db35f395 100644
--- a/desktop/win32/source/guistdio/guistdio.inc
+++ b/desktop/win32/source/guistdio/guistdio.inc
@@ -57,7 +57,7 @@ DWORD passOutputToConsole(HANDLE readPipe, HANDLE console)
 
     DWORD dwToRead = sizeof(aBuffer);
     BYTE * pBuffer = aBuffer;
-    while ( ReadFile( hReadPipe, pBuffer, dwToRead, &dwRead, NULL ) )
+    while ( ReadFile( hReadPipe, pBuffer, dwToRead, &dwRead, nullptr ) )
     {
         //If the previous ReadFile call read an odd number of bytes, then the last one was
         //put at the front of the buffer. We increase the number of read bytes by one to reflect
@@ -66,13 +66,13 @@ DWORD passOutputToConsole(HANDLE readPipe, HANDLE console)
             dwRead++;
         //We must make sure that only complete wchar_t|s are written. WriteConsolse takes
         //the number of wchar_t|s as argument. ReadFile, however, reads bytes.
-        bIncompleteWchar = (dwRead % 2) ? true : false;
+        bIncompleteWchar = (dwRead % 2) != 0;
         if (bIncompleteWchar)
         {
             //To test this case, give aBuffer a small odd size, e.g. aBuffer[3]
             //The last byte, which is the incomplete wchar_t (half of it), will not be written.
             (void) WriteConsoleW( console, aBuffer,
-                (dwRead - 1) / 2, &dwWritten, NULL );
+                (dwRead - 1) / 2, &dwWritten, nullptr );
 
             //Move the last byte to the front of the buffer, so that it is the start of the
             //next string
@@ -90,7 +90,7 @@ DWORD passOutputToConsole(HANDLE readPipe, HANDLE console)
             dwToRead = sizeof(aBuffer);
             pBuffer = aBuffer;
             (void) WriteConsoleW( console,
-                aBuffer, dwRead / 2, &dwWritten, NULL );
+                aBuffer, dwRead / 2, &dwWritten, nullptr );
         }
     }
 
@@ -102,7 +102,7 @@ DWORD passOutputToConsole(HANDLE readPipe, HANDLE console)
 #ifdef UNOPKG
 DWORD WINAPI OutputThread( LPVOID pParam )
 {
-    return passOutputToConsole((HANDLE)pParam, GetStdHandle( STD_OUTPUT_HANDLE ));
+    return passOutputToConsole(static_cast<HANDLE>(pParam), GetStdHandle( STD_OUTPUT_HANDLE ));
 }
 
 #else
@@ -128,7 +128,7 @@ DWORD WINAPI OutputThread( LPVOID pParam )
 #ifdef UNOPKG
 DWORD WINAPI ErrorThread( LPVOID pParam )
 {
-    return passOutputToConsole((HANDLE)pParam, GetStdHandle( STD_ERROR_HANDLE ));
+    return passOutputToConsole(static_cast<HANDLE>(pParam), GetStdHandle( STD_ERROR_HANDLE ));
 }
 
 #else
@@ -156,7 +156,7 @@ DWORD WINAPI ErrorThread( LPVOID pParam )
 DWORD WINAPI InputThread( LPVOID pParam )
 {
     DWORD   dwRead = 0;
-    HANDLE  hWritePipe = (HANDLE)pParam;
+    HANDLE  hWritePipe = static_cast<HANDLE>(pParam);
 
     //We need to read in the complete input until we encounter a new line before
     //converting to Unicode. This is necessary because the input string can use
@@ -167,19 +167,19 @@ DWORD WINAPI InputThread( LPVOID pParam )
     //Characters may have one or multiple bytes and different byte ordering
     //can be used (little and big endian);
     int cNewLine = WideCharToMultiByte(
-        GetConsoleCP(), 0, L"\r\n", 2, NULL, 0, NULL, NULL);
+        GetConsoleCP(), 0, L"\r\n", 2, nullptr, 0, nullptr, nullptr);
     char * mbBuff = new char[cNewLine];
     WideCharToMultiByte(
-        GetConsoleCP(), 0, L"\r\n", 2, mbBuff, cNewLine, NULL, NULL);
+        GetConsoleCP(), 0, L"\r\n", 2, mbBuff, cNewLine, nullptr, nullptr);
 
     const DWORD dwBufferSize = 256;
-    char* readBuf = (char*) malloc(dwBufferSize);
+    char* readBuf = static_cast<char*>(malloc(dwBufferSize));
     int readAll = 0;
     DWORD curBufSize = dwBufferSize;
 
     while ( ReadFile( GetStdHandle( STD_INPUT_HANDLE ),
                       readBuf + readAll,
-                      curBufSize - readAll, &dwRead, NULL ) )
+                      curBufSize - readAll, &dwRead, nullptr ) )
     {
         readAll += dwRead;
         int lastBufSize = curBufSize;
@@ -187,7 +187,7 @@ DWORD WINAPI InputThread( LPVOID pParam )
         if (readAll > curBufSize * 0.7)
         {
             curBufSize *= 2;
-            readBuf = (char *) realloc(readBuf, curBufSize);
+            readBuf = static_cast<char *>(realloc(readBuf, curBufSize));
         }
 
         //If the buffer was filled completely then
@@ -206,7 +206,7 @@ DWORD WINAPI InputThread( LPVOID pParam )
         }
         //Obtain the size of the buffer for the converted string.
         int sizeWBuf = MultiByteToWideChar(
-            GetConsoleCP(), MB_PRECOMPOSED, readBuf, readAll, NULL, 0);
+            GetConsoleCP(), MB_PRECOMPOSED, readBuf, readAll, nullptr, 0);
 
         wchar_t * wideBuf = new wchar_t[sizeWBuf];
 
@@ -215,7 +215,7 @@ DWORD WINAPI InputThread( LPVOID pParam )
             GetConsoleCP(), MB_PRECOMPOSED, readBuf, readAll, wideBuf, sizeWBuf);
 
         DWORD   dwWritten;
-        (void)WriteFile( hWritePipe, wideBuf, sizeWBuf * 2, &dwWritten, NULL );
+        (void)WriteFile( hWritePipe, wideBuf, sizeWBuf * 2, &dwWritten, nullptr );
 
         delete[] wideBuf;
         readAll = 0;
@@ -297,7 +297,7 @@ int _tmain( int, _TCHAR ** )
 
     HANDLE  hOutputRead, hOutputWrite;
 
-    if ( CreatePipe( &hOutputRead, &hOutputWrite, NULL, 0 ) )
+    if ( CreatePipe( &hOutputRead, &hOutputWrite, nullptr, 0 ) )
     {
         HANDLE  hTemp;
 
@@ -312,7 +312,7 @@ int _tmain( int, _TCHAR ** )
 
     HANDLE  hErrorRead, hErrorWrite;
 
-    if ( CreatePipe( &hErrorRead, &hErrorWrite, NULL, 0 ) )
+    if ( CreatePipe( &hErrorRead, &hErrorWrite, nullptr, 0 ) )
     {
         HANDLE  hTemp;
 
@@ -327,7 +327,7 @@ int _tmain( int, _TCHAR ** )
 
     HANDLE  hInputRead, hInputWrite;
 
-    if ( CreatePipe( &hInputRead, &hInputWrite, NULL, 0 ) )
+    if ( CreatePipe( &hInputRead, &hInputWrite, nullptr, 0 ) )
     {
         HANDLE  hTemp;
 
@@ -342,7 +342,7 @@ int _tmain( int, _TCHAR ** )
 
     TCHAR               szModuleFileName[MAX_PATH];
 
-    GetModuleFileName( NULL, szModuleFileName, MAX_PATH );
+    GetModuleFileName( nullptr, szModuleFileName, MAX_PATH );
     _TCHAR  *lpLastDot = _tcsrchr( szModuleFileName, '.' );
     if ( lpLastDot && 0 == _tcsicmp( lpLastDot, _T(".COM") ) )
     {
@@ -357,12 +357,12 @@ int _tmain( int, _TCHAR ** )
     BOOL    fSuccess = CreateProcess(
         szTargetFileName,
         GetCommandLine(),
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         TRUE,
         0,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         &aStartupInfo,
         &aProcessInfo );
 
@@ -381,14 +381,14 @@ int _tmain( int, _TCHAR ** )
 
         DWORD   dwOutputThreadId, dwErrorThreadId, dwInputThreadId;
 
-        HANDLE  hOutputThread = CreateThread( NULL, 0, OutputThread, (LPVOID)hOutputRead, 0, &dwOutputThreadId );
-        HANDLE  hErrorThread = CreateThread( NULL, 0, OutputThread, (LPVOID)hErrorRead, 0, &dwErrorThreadId );
-        HANDLE  hInputThread = CreateThread( NULL, 0, InputThread, (LPVOID)hInputWrite, 0, &dwInputThreadId );
+        HANDLE  hOutputThread = CreateThread( nullptr, 0, OutputThread, static_cast<LPVOID>(hOutputRead), 0, &dwOutputThreadId );
+        HANDLE  hErrorThread = CreateThread( nullptr, 0, OutputThread, static_cast<LPVOID>(hErrorRead), 0, &dwErrorThreadId );
+        HANDLE  hInputThread = CreateThread( nullptr, 0, InputThread, static_cast<LPVOID>(hInputWrite), 0, &dwInputThreadId );
 
         // Create thread that wait until child process entered input idle
 
         DWORD   dwWaitForUIThreadId;
-        HANDLE  hWaitForUIThread = CreateThread( NULL, 0, WaitForUIThread, (LPVOID)aProcessInfo.hProcess, 0, &dwWaitForUIThreadId );
+        HANDLE  hWaitForUIThread = CreateThread( nullptr, 0, WaitForUIThread, static_cast<LPVOID>(aProcessInfo.hProcess), 0, &dwWaitForUIThreadId );
 
         HANDLE  hObjects[] =
             {
diff --git a/desktop/win32/source/loader.cxx b/desktop/win32/source/loader.cxx
index 95327fcdbfad..948d370987b5 100644
--- a/desktop/win32/source/loader.cxx
+++ b/desktop/win32/source/loader.cxx
@@ -36,12 +36,12 @@
 namespace desktop_win32 {
 
 void getPaths(WCHAR * binPath, WCHAR * iniDirectory) {
-    if (!GetModuleFileNameW(NULL, iniDirectory, MAX_PATH)) {
-        LPWSTR buf = NULL;
+    if (!GetModuleFileNameW(nullptr, iniDirectory, MAX_PATH)) {
+        LPWSTR buf = nullptr;
         FormatMessageW(
-            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL,
-            GetLastError(), 0, reinterpret_cast< LPWSTR >(&buf), 0, NULL);
-        MessageBoxW(NULL, buf, NULL, MB_OK | MB_ICONERROR);
+            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, nullptr,
+            GetLastError(), 0, reinterpret_cast< LPWSTR >(&buf), 0, nullptr);
+        MessageBoxW(nullptr, buf, nullptr, MB_OK | MB_ICONERROR);
         LocalFree(buf);
         TerminateProcess(GetCurrentProcess(), 255);
     }
diff --git a/desktop/win32/source/officeloader/officeloader.cxx b/desktop/win32/source/officeloader/officeloader.cxx
index ea442bd48de8..25277f1ff143 100644
--- a/desktop/win32/source/officeloader/officeloader.cxx
+++ b/desktop/win32/source/officeloader/officeloader.cxx
@@ -79,9 +79,9 @@ int WINAPI _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
     DWORD   dwExitCode = (DWORD)-1;
 
     BOOL    fSuccess = FALSE;
-    LPTSTR  lpCommandLine = NULL;
+    LPTSTR  lpCommandLine = nullptr;
     int argc = 0;
-    LPTSTR * argv = NULL;
+    LPTSTR * argv = nullptr;
     bool bFirst = true;
     WCHAR cwd[MAX_PATH];
     DWORD cwdLen = GetCurrentDirectoryW(MAX_PATH, cwd);
@@ -159,11 +159,11 @@ int WINAPI _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
         fSuccess = CreateProcess(
             szTargetFileName,
             lpCommandLine,
-            NULL,
-            NULL,
+            nullptr,
+            nullptr,
             TRUE,
             0,
-            NULL,
+            nullptr,
             szIniDirectory,
             &aStartupInfo,
             &aProcessInfo );
@@ -183,7 +183,7 @@ int WINAPI _tWinMain( HINSTANCE, HINSTANCE, LPTSTR, int )
                 {
                     MSG msg;
 
-                    PeekMessage( &msg, NULL, 0, 0, PM_REMOVE );
+                    PeekMessage( &msg, nullptr, 0, 0, PM_REMOVE );
                 }
             } while ( WAIT_OBJECT_0 + 1 == dwWaitResult );
 
diff --git a/desktop/win32/source/unoinfo.cxx b/desktop/win32/source/unoinfo.cxx
index 5af29df90af7..4f8bbcc40be3 100644
--- a/desktop/win32/source/unoinfo.cxx
+++ b/desktop/win32/source/unoinfo.cxx
@@ -39,7 +39,7 @@
 namespace {
 
 wchar_t * getBrandPath(wchar_t * path) {
-    DWORD n = GetModuleFileNameW(NULL, path, MAX_PATH);
+    DWORD n = GetModuleFileNameW(nullptr, path, MAX_PATH);
     if (n == 0 || n >= MAX_PATH) {
         exit(EXIT_FAILURE);
     }
@@ -59,7 +59,7 @@ void writePath(
     wchar_t path[MAX_PATH];
     wchar_t * end = tools::buildPath(
         path, frontBegin, frontEnd, backBegin, backLength);
-    if (end == NULL) {
+    if (end == nullptr) {
         exit(EXIT_FAILURE);
     }
     std::size_t n = (end - path) * sizeof (wchar_t);