loplugin:nullptr (automatic rewrite)

Change-Id: Ibdc68ac3fa6e1424337096c720c8c9605b767480

13 files changed, 64 insertions, 64 deletions

diff --git a/xmlhelp/source/cxxhelp/inc/tvread.hxx b/xmlhelp/source/cxxhelp/inc/tvread.hxx
index 62046c65d42d..9373fd6fbeff 100644
--- a/xmlhelp/source/cxxhelp/inc/tvread.hxx
+++ b/xmlhelp/source/cxxhelp/inc/tvread.hxx
@@ -166,7 +166,7 @@ namespace treeview {
         friend class TVChildTarget;
 
     public:
-        TVRead( const ConfigData& configData,TVDom* tvDom = 0 );
+        TVRead( const ConfigData& configData,TVDom* tvDom = nullptr );
 
         virtual ~TVRead();
 
diff --git a/xmlhelp/source/cxxhelp/provider/content.cxx b/xmlhelp/source/cxxhelp/provider/content.cxx
index 5604ee191ae0..d036ab961b58 100644
--- a/xmlhelp/source/cxxhelp/provider/content.cxx
+++ b/xmlhelp/source/cxxhelp/provider/content.cxx
@@ -101,7 +101,7 @@ XTYPEPROVIDER_COMMON_IMPL( Content );
 uno::Sequence< uno::Type > SAL_CALL Content::getTypes()
     throw( uno::RuntimeException, std::exception )
 {
-    static cppu::OTypeCollection* pCollection = NULL;
+    static cppu::OTypeCollection* pCollection = nullptr;
 
     if ( !pCollection )
     {
diff --git a/xmlhelp/source/cxxhelp/provider/databases.cxx b/xmlhelp/source/cxxhelp/provider/databases.cxx
index 332dbe36f17e..54825b416f48 100644
--- a/xmlhelp/source/cxxhelp/provider/databases.cxx
+++ b/xmlhelp/source/cxxhelp/provider/databases.cxx
@@ -126,9 +126,9 @@ Databases::Databases( bool showBasic,
                       Reference< uno::XComponentContext > xContext )
     : m_xContext( xContext ),
       m_bShowBasic(showBasic),
-      m_pErrorDoc( 0 ),
+      m_pErrorDoc( nullptr ),
       m_nCustomCSSDocLength( 0 ),
-      m_pCustomCSSDoc( 0 ),
+      m_pCustomCSSDoc( nullptr ),
       m_aCSS(styleSheet.toAsciiLowerCase()),
       newProdName( "$[officename]" ),
       newProdVersion( "$[officeversion]" ),
@@ -368,7 +368,7 @@ StaticModuleInformation* Databases::getStaticInformationForModule( const OUStrin
         osl::File cfgFile( getInstallPathAsURL() + key + ".cfg" );
 
         if( osl::FileBase::E_None != cfgFile.open( osl_File_OpenFlag_Read ) )
-            it->second = 0;
+            it->second = nullptr;
         else
         {
             sal_uInt32 pos = 0;
@@ -479,14 +479,14 @@ helpdatafileproxy::Hdf* Databases::getHelpDataFile( const OUString& Database,
                             const OUString* pExtensionPath )
 {
     if( Database.isEmpty() || Language.isEmpty() )
-        return 0;
+        return nullptr;
 
     osl::MutexGuard aGuard( m_aMutex );
 
     OUString aFileExt( helpText ? OUString(".ht") : OUString(".db") );
     OUString dbFileName = "/" + Database + aFileExt;
     OUString key;
-    if( pExtensionPath == NULL )
+    if( pExtensionPath == nullptr )
         key = processLang( Language ) + dbFileName;
     else
         key = *pExtensionPath + Language + dbFileName;      // make unique, don't change language
@@ -498,7 +498,7 @@ helpdatafileproxy::Hdf* Databases::getHelpDataFile( const OUString& Database,
 
     if( aPair.second && ! it->second )
     {
-        helpdatafileproxy::Hdf* pHdf = 0;
+        helpdatafileproxy::Hdf* pHdf = nullptr;
 
         OUString fileURL;
         if( pExtensionPath )
@@ -508,7 +508,7 @@ helpdatafileproxy::Hdf* Databases::getHelpDataFile( const OUString& Database,
 
         OUString fileNameHDFHelp( fileURL );
         //Extensions always use the new format
-        if( pExtensionPath != NULL )
+        if( pExtensionPath != nullptr )
             fileNameHDFHelp += "_";
         //SimpleFileAccess takes file URLs as arguments!!! Using filenames works accidentally but
         //fails for example when using long path names on Windows (starting with \\?\)
@@ -660,7 +660,7 @@ void KeywordInfo::KeywordElement::init( Databases *pDatabases,helpdatafileproxy:
         listAnchor[i] = anchor[i];
 
         helpdatafileproxy::HDFData aHDFData;
-        const sal_Char* pData = NULL;
+        const sal_Char* pData = nullptr;
 
         if( pHdf )
         {
@@ -773,7 +773,7 @@ KeywordInfo* Databases::getKeyword( const OUString& Database,
                 if( aHdf.startIteration() )
                 {
                     helpdatafileproxy::Hdf* pHdf = getHelpDataFile( Database,Language );
-                    if( pHdf != NULL )
+                    if( pHdf != nullptr )
                     {
                         bool bOptimizeForPerformance = true;
                         pHdf->releaseHashMap();
@@ -801,7 +801,7 @@ KeywordInfo* Databases::getKeyword( const OUString& Database,
                     }
                     aHdf.stopIteration();
 
-                    if( pHdf != NULL )
+                    if( pHdf != nullptr )
                         pHdf->releaseHashMap();
                 }
             }
@@ -824,14 +824,14 @@ Reference< XHierarchicalNameAccess > Databases::jarFile( const OUString& jar,
 {
     if( jar.isEmpty() || Language.isEmpty() )
     {
-        return Reference< XHierarchicalNameAccess >( 0 );
+        return Reference< XHierarchicalNameAccess >( nullptr );
     }
     OUString key = processLang(Language) + "/" + jar;
 
     osl::MutexGuard aGuard( m_aMutex );
 
     ZipFileTable::iterator it =
-        m_aZipFileTable.insert( ZipFileTable::value_type( key,Reference< XHierarchicalNameAccess >(0) ) ).first;
+        m_aZipFileTable.insert( ZipFileTable::value_type( key,Reference< XHierarchicalNameAccess >(nullptr) ) ).first;
 
     if( ! it->second.is() )
     {
@@ -959,7 +959,7 @@ Reference< XHierarchicalNameAccess > Databases::findJarFileForPath
 void Databases::changeCSS(const OUString& newStyleSheet)
 {
     m_aCSS = newStyleSheet.toAsciiLowerCase();
-    delete[] m_pCustomCSSDoc, m_pCustomCSSDoc = 0,m_nCustomCSSDocLength = 0;
+    delete[] m_pCustomCSSDoc, m_pCustomCSSDoc = nullptr,m_nCustomCSSDocLength = 0;
 }
 
 void Databases::cascadingStylesheet( const OUString& Language,
@@ -1089,13 +1089,13 @@ void Databases::setActiveText( const OUString& Module,
     helpdatafileproxy::HDFData aHDFData;
 
     int nSize = 0;
-    const sal_Char* pData = NULL;
+    const sal_Char* pData = nullptr;
 
     bool bSuccess = false;
     if( !bFoundAsEmpty )
     {
-        helpdatafileproxy::Hdf* pHdf = 0;
-        while( !bSuccess && (pHdf = aDbIt.nextHdf()) != NULL )
+        helpdatafileproxy::Hdf* pHdf = nullptr;
+        while( !bSuccess && (pHdf = aDbIt.nextHdf()) != nullptr )
         {
             bSuccess = pHdf->getValueForKey( id, aHDFData );
             nSize = aHDFData.getSize();
@@ -1407,7 +1407,7 @@ void ExtensionIteratorBase::implGetLanguageVectorFromPackage( ::std::vector< OUS
 
 helpdatafileproxy::Hdf* DataBaseIterator::nextHdf( OUString* o_pExtensionPath, OUString* o_pExtensionRegistryPath )
 {
-    helpdatafileproxy::Hdf* pRetHdf = NULL;
+    helpdatafileproxy::Hdf* pRetHdf = nullptr;
 
     while( !pRetHdf && m_eState != END_REACHED )
     {
@@ -1474,10 +1474,10 @@ helpdatafileproxy::Hdf* DataBaseIterator::implGetHdfFromPackage( Reference< depl
     }
     catch ( deployment::ExtensionRemovedException&)
     {
-        return NULL;
+        return nullptr;
     }
 
-    helpdatafileproxy::Hdf* pRetHdf = NULL;
+    helpdatafileproxy::Hdf* pRetHdf = nullptr;
     if (optRegData.IsPresent && !optRegData.Value.isEmpty())
     {
         OUString aRegDataUrl = optRegData.Value + "/";
@@ -1691,14 +1691,14 @@ Reference< XHierarchicalNameAccess > JarFileIterator::implGetJarFromPackage
     catch ( Exception & )
     {}
 
-    if( xNA.is() && o_pExtensionPath != NULL )
+    if( xNA.is() && o_pExtensionPath != nullptr )
     {
         // Extract path including language from file name
         sal_Int32 nLastSlash = zipFile.lastIndexOf( '/' );
         if( nLastSlash != -1 )
             *o_pExtensionPath = zipFile.copy( 0, nLastSlash );
 
-        if( o_pExtensionRegistryPath != NULL )
+        if( o_pExtensionRegistryPath != nullptr )
         {
             OUString& rPath = *o_pExtensionPath;
             sal_Int32 nLastSlashInPath = rPath.lastIndexOf( '/', rPath.getLength() - 1 );
@@ -1826,7 +1826,7 @@ OUString IndexFolderIterator::implGetIndexFolderFromPackage( bool& o_rbTemporary
                 if( !bIsWriteAccess )
                 {
                     OUString aTempFileURL;
-                    ::osl::FileBase::RC eErr = ::osl::File::createTempFile( 0, 0, &aTempFileURL );
+                    ::osl::FileBase::RC eErr = ::osl::File::createTempFile( nullptr, nullptr, &aTempFileURL );
                     if( eErr == ::osl::FileBase::E_None )
                     {
                         OUString aTempDirURL = aTempFileURL;
diff --git a/xmlhelp/source/cxxhelp/provider/databases.hxx b/xmlhelp/source/cxxhelp/provider/databases.hxx
index 9b331cc96af2..527f08666560 100644
--- a/xmlhelp/source/cxxhelp/provider/databases.hxx
+++ b/xmlhelp/source/cxxhelp/provider/databases.hxx
@@ -162,7 +162,7 @@ namespace chelp {
 
         helpdatafileproxy::Hdf* getHelpDataFile( const OUString& Module,
                          const OUString& Language, bool helpText = false,
-                         const OUString* pExtensionPath = NULL );
+                         const OUString* pExtensionPath = nullptr );
 
         /**
          *  The following method returns the Collator for the given language-country combination
@@ -208,8 +208,8 @@ namespace chelp {
 
         com::sun::star::uno::Reference< com::sun::star::container::XHierarchicalNameAccess >
         findJarFileForPath( const OUString& jar, const OUString& Language,
-            const OUString& path, OUString* o_pExtensionPath = NULL,
-            OUString* o_pExtensionRegistryPath = NULL );
+            const OUString& path, OUString* o_pExtensionPath = nullptr,
+            OUString* o_pExtensionRegistryPath = nullptr );
 
         /**
          *  Maps a given language-locale combination to language.
@@ -395,7 +395,7 @@ namespace chelp {
                 , m_bHelpText( bHelpText )
         {}
 
-        helpdatafileproxy::Hdf* nextHdf( OUString* o_pExtensionPath = NULL, OUString* o_pExtensionRegistryPath = NULL );
+        helpdatafileproxy::Hdf* nextHdf( OUString* o_pExtensionPath = nullptr, OUString* o_pExtensionRegistryPath = nullptr );
 
     private:
         helpdatafileproxy::Hdf* implGetHdfFromPackage(
@@ -432,12 +432,12 @@ namespace chelp {
 
         com::sun::star::uno::Reference< com::sun::star::container::XHierarchicalNameAccess >
             nextJarFile( com::sun::star::uno::Reference< com::sun::star::deployment::XPackage >& o_xParentPackageBundle,
-                            OUString* o_pExtensionPath = NULL, OUString* o_pExtensionRegistryPath = NULL );
+                            OUString* o_pExtensionPath = nullptr, OUString* o_pExtensionRegistryPath = nullptr );
 
     private:
         com::sun::star::uno::Reference< com::sun::star::container::XHierarchicalNameAccess >
             implGetJarFromPackage(com::sun::star::uno::Reference< com::sun::star::deployment::XPackage > xPackage,
-                OUString* o_pExtensionPath = NULL, OUString* o_pExtensionRegistryPath = NULL );
+                OUString* o_pExtensionPath = nullptr, OUString* o_pExtensionRegistryPath = nullptr );
 
     }; // end class JarFileIterator
 
diff --git a/xmlhelp/source/cxxhelp/provider/db.cxx b/xmlhelp/source/cxxhelp/provider/db.cxx
index 93b0c65614a2..c978b6e432b8 100644
--- a/xmlhelp/source/cxxhelp/provider/db.cxx
+++ b/xmlhelp/source/cxxhelp/provider/db.cxx
@@ -67,13 +67,13 @@ void Hdf::createHashMap( bool bOptimizeForPerformance )
     releaseHashMap();
     if( bOptimizeForPerformance )
     {
-        if( m_pStringToDataMap != NULL )
+        if( m_pStringToDataMap != nullptr )
             return;
         m_pStringToDataMap = new StringToDataMap();
     }
     else
     {
-        if( m_pStringToValPosMap != NULL )
+        if( m_pStringToValPosMap != nullptr )
             return;
         m_pStringToValPosMap = new StringToValPosMap();
     }
@@ -124,15 +124,15 @@ void Hdf::createHashMap( bool bOptimizeForPerformance )
 
 void Hdf::releaseHashMap()
 {
-    if( m_pStringToDataMap != NULL )
+    if( m_pStringToDataMap != nullptr )
     {
         delete m_pStringToDataMap;
-        m_pStringToDataMap = NULL;
+        m_pStringToDataMap = nullptr;
     }
-    if( m_pStringToValPosMap != NULL )
+    if( m_pStringToValPosMap != nullptr )
     {
         delete m_pStringToValPosMap;
-        m_pStringToValPosMap = NULL;
+        m_pStringToValPosMap = nullptr;
     }
 }
 
@@ -146,13 +146,13 @@ bool Hdf::getValueForKey( const OString& rKey, HDFData& rValue )
     try
     {
 
-    if( m_pStringToDataMap == NULL && m_pStringToValPosMap == NULL )
+    if( m_pStringToDataMap == nullptr && m_pStringToValPosMap == nullptr )
     {
         bool bOptimizeForPerformance = false;
         createHashMap( bOptimizeForPerformance );
     }
 
-    if( m_pStringToValPosMap != NULL )
+    if( m_pStringToValPosMap != nullptr )
     {
         StringToValPosMap::const_iterator it = m_pStringToValPosMap->find( rKey );
         if( it != m_pStringToValPosMap->end() )
@@ -183,7 +183,7 @@ bool Hdf::getValueForKey( const OString& rKey, HDFData& rValue )
         }
     }
 
-    else if( m_pStringToDataMap != NULL )
+    else if( m_pStringToDataMap != nullptr )
     {
         StringToDataMap::const_iterator it = m_pStringToDataMap->find( rKey );
         if( it != m_pStringToDataMap->end() )
@@ -249,7 +249,7 @@ bool Hdf::getNextKeyAndValue( HDFData& rKey, HDFData& rValue )
 void Hdf::stopIteration()
 {
     m_aItData = Sequence<sal_Int8>();
-    m_pItData = NULL;
+    m_pItData = nullptr;
     m_nItRead = -1;
     m_iItPos = -1;
 }
diff --git a/xmlhelp/source/cxxhelp/provider/db.hxx b/xmlhelp/source/cxxhelp/provider/db.hxx
index 868f70ace854..2bcb79b1c0b6 100644
--- a/xmlhelp/source/cxxhelp/provider/db.hxx
+++ b/xmlhelp/source/cxxhelp/provider/db.hxx
@@ -39,7 +39,7 @@ namespace helpdatafileproxy {
     public:
         HDFData()
             : m_nSize( 0 )
-            , m_pBuffer( NULL )
+            , m_pBuffer( nullptr )
         {}
         ~HDFData()
             { delete [] m_pBuffer; }
@@ -76,10 +76,10 @@ namespace helpdatafileproxy {
         Hdf( const OUString& rFileURL,
             com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess3 > xSFA )
                 : m_aFileURL( rFileURL )
-                , m_pStringToDataMap( NULL )
-                , m_pStringToValPosMap( NULL )
+                , m_pStringToDataMap( nullptr )
+                , m_pStringToValPosMap( nullptr )
                 , m_xSFA( xSFA )
-                , m_pItData( NULL )
+                , m_pItData( nullptr )
                 , m_nItRead( -1 )
                 , m_iItPos( -1 )
         {
diff --git a/xmlhelp/source/cxxhelp/provider/provider.cxx b/xmlhelp/source/cxxhelp/provider/provider.cxx
index 5b16fe055032..2df4bb58b05c 100644
--- a/xmlhelp/source/cxxhelp/provider/provider.cxx
+++ b/xmlhelp/source/cxxhelp/provider/provider.cxx
@@ -49,7 +49,7 @@ ContentProvider::ContentProvider( const uno::Reference< uno::XComponentContext >
     : ::ucbhelper::ContentProviderImplHelper( rxContext )
     , isInitialized( false )
     , m_aScheme(MYUCP_URL_SCHEME)
-    , m_pDatabases( 0 )
+    , m_pDatabases( nullptr )
 {
 }
 
@@ -97,7 +97,7 @@ css::uno::Sequence< sal_Int8 > SAL_CALL ContentProvider::getImplementationId()
 css::uno::Sequence< css::uno::Type > SAL_CALL ContentProvider::getTypes()
     throw( css::uno::RuntimeException, std::exception )
 {
-    static cppu::OTypeCollection* pCollection = NULL;
+    static cppu::OTypeCollection* pCollection = nullptr;
       if ( !pCollection )
       {
         osl::Guard< osl::Mutex > aGuard( osl::Mutex::getGlobalMutex() );
diff --git a/xmlhelp/source/cxxhelp/provider/resultsetbase.cxx b/xmlhelp/source/cxxhelp/provider/resultsetbase.cxx
index d7fa6883b73b..773236bd0166 100644
--- a/xmlhelp/source/cxxhelp/provider/resultsetbase.cxx
+++ b/xmlhelp/source/cxxhelp/provider/resultsetbase.cxx
@@ -44,9 +44,9 @@ ResultSetBase::ResultSetBase( const uno::Reference< uno::XComponentContext >&  r
       m_bRowCountFinal( true ),
       m_sProperty( seq ),
       m_sSortingInfo( seqSort ),
-      m_pDisposeEventListeners( 0 ),
-      m_pRowCountListeners( 0 ),
-      m_pIsFinalListeners( 0 )
+      m_pDisposeEventListeners( nullptr ),
+      m_pRowCountListeners( nullptr ),
+      m_pIsFinalListeners( nullptr )
 {
 }
 
@@ -366,7 +366,7 @@ ResultSetBase::getStatement(
     throw( sdbc::SQLException,
            uno::RuntimeException, std::exception )
 {
-    uno::Reference< uno::XInterface > test( 0 );
+    uno::Reference< uno::XInterface > test( nullptr );
     return test;
 }
 
diff --git a/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx b/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx
index 78c72eb0095a..92c94e09b8cd 100644
--- a/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx
+++ b/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx
@@ -342,7 +342,7 @@ ResultSetForQuery::ResultSetForQuery( const uno::Reference< uno::XComponentConte
         if( content.is() )
         {
             uno::Reference< XCommandProcessor > cmd( content,uno::UNO_QUERY );
-            cmd->execute( aCommand,0,uno::Reference< XCommandEnvironment >( 0 ) ) >>= m_aItems[m_nRow]; //TODO: check return value of operator >>=
+            cmd->execute( aCommand,0,uno::Reference< XCommandEnvironment >( nullptr ) ) >>= m_aItems[m_nRow]; //TODO: check return value of operator >>=
         }
     }
     m_nRow = 0xffffffff;
diff --git a/xmlhelp/source/cxxhelp/provider/resultsetforroot.cxx b/xmlhelp/source/cxxhelp/provider/resultsetforroot.cxx
index 46645b64a146..614e4b5f1c7d 100644
--- a/xmlhelp/source/cxxhelp/provider/resultsetforroot.cxx
+++ b/xmlhelp/source/cxxhelp/provider/resultsetforroot.cxx
@@ -65,7 +65,7 @@ ResultSetForRoot::ResultSetForRoot( const uno::Reference< uno::XComponentContext
         if( content.is() )
         {
             uno::Reference< XCommandProcessor > cmd( content,uno::UNO_QUERY );
-            cmd->execute( aCommand,0,uno::Reference< XCommandEnvironment >( 0 ) ) >>= m_aItems[i]; //TODO: check return value of operator >>=
+            cmd->execute( aCommand,0,uno::Reference< XCommandEnvironment >( nullptr ) ) >>= m_aItems[i]; //TODO: check return value of operator >>=
         }
         m_nRow = 0xffffffff;
     }
diff --git a/xmlhelp/source/cxxhelp/provider/services.cxx b/xmlhelp/source/cxxhelp/provider/services.cxx
index 204fbd7835cd..3f7e0e6b9224 100644
--- a/xmlhelp/source/cxxhelp/provider/services.cxx
+++ b/xmlhelp/source/cxxhelp/provider/services.cxx
@@ -31,7 +31,7 @@ extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL ucpchelp_component_getFactory(
     void * pServiceManager,
     SAL_UNUSED_PARAMETER void * /*pRegistryKey*/ )
 {
-    void * pRet = 0;
+    void * pRet = nullptr;
 
     uno::Reference< lang::XMultiServiceFactory > xSMgr(
         static_cast< lang::XMultiServiceFactory * >( pServiceManager ) );
diff --git a/xmlhelp/source/cxxhelp/provider/urlparameter.cxx b/xmlhelp/source/cxxhelp/provider/urlparameter.cxx
index a716d12f6500..ff4c9e21c006 100644
--- a/xmlhelp/source/cxxhelp/provider/urlparameter.cxx
+++ b/xmlhelp/source/cxxhelp/provider/urlparameter.cxx
@@ -277,7 +277,7 @@ void URLParameter::readHelpDataFile()
     DataBaseIterator aDbIt( *m_pDatabases, aModule, aLanguage, false );
     bool bSuccess = false;
 
-    const sal_Char* pData = NULL;
+    const sal_Char* pData = nullptr;
 
     helpdatafileproxy::HDFData aHDFData;
     OUString aExtensionPath;
@@ -607,27 +607,27 @@ struct UserData {
     URLParameter*                       m_pInitial;
 };
 
-UserData *ugblData = 0;
+UserData *ugblData = nullptr;
 
 extern "C" {
 
 static int
 fileMatch(const char * URI) {
-    if ((URI != NULL) && !strncmp(URI, "file:/", 6))
+    if ((URI != nullptr) && !strncmp(URI, "file:/", 6))
         return 1;
     return 0;
 }
 
 static int
 zipMatch(const char * URI) {
-    if ((URI != NULL) && !strncmp(URI, "vnd.sun.star.zip:/", 18))
+    if ((URI != nullptr) && !strncmp(URI, "vnd.sun.star.zip:/", 18))
         return 1;
     return 0;
 }
 
 static int
 helpMatch(const char * URI) {
-    if ((URI != NULL) && !strncmp(URI, "vnd.sun.star.help:/", 19))
+    if ((URI != nullptr) && !strncmp(URI, "vnd.sun.star.help:/", 19))
         return 1;
     return 0;
 }
@@ -675,7 +675,7 @@ zipOpen(SAL_UNUSED_PARAMETER const char *) {
     {
         return new Reference<XInputStream>(xInputStream);
     }
-    return 0;
+    return nullptr;
 }
 
 static void *
@@ -710,7 +710,7 @@ helpOpen(const char * URI) {
 
     if( xInputStream.is() )
         return new Reference<XInputStream>(xInputStream);
-    return 0;
+    return nullptr;
 }
 
 static int
@@ -900,7 +900,7 @@ InputStreamTransformer::InputStreamTransformer( URLParameter* urlParam,
 
         for( int i = 0; i < last; ++i )
             parameter[i] = parString[i].getStr();
-        parameter[last] = 0;
+        parameter[last] = nullptr;
 
         OUString xslURL = pDatabases->getInstallPathAsURL();
 
@@ -925,7 +925,7 @@ InputStreamTransformer::InputStreamTransformer( URLParameter* urlParam,
         xmlDocPtr res = xsltApplyStylesheet(cur, doc, parameter);
         if (res)
         {
-            xmlChar *doc_txt_ptr=0;
+            xmlChar *doc_txt_ptr=nullptr;
             int doc_txt_len;
             xsltSaveResultToString(&doc_txt_ptr, &doc_txt_len, res, cur);
             addToBuffer(reinterpret_cast<char*>(doc_txt_ptr), doc_txt_len);
diff --git a/xmlhelp/source/treeview/tvread.cxx b/xmlhelp/source/treeview/tvread.cxx
index 27e2dafab6f6..f26c7f939aec 100644
--- a/xmlhelp/source/treeview/tvread.cxx
+++ b/xmlhelp/source/treeview/tvread.cxx
@@ -47,7 +47,7 @@ namespace treeview {
 
     public:
 
-        explicit TVDom( TVDom* arent = 0 )
+        explicit TVDom( TVDom* arent = nullptr )
             : kind( other ),
               parent( arent ),
               children( 0 )
@@ -425,7 +425,7 @@ TVChildTarget::TVChildTarget( const Reference< XComponentContext >& xContext )
         aFile.read( s,len,ret );
         aFile.close();
 
-        XML_Parser parser = XML_ParserCreate( 0 );
+        XML_Parser parser = XML_ParserCreate( nullptr );
         XML_SetElementHandler( parser,
                                start_handler,
                                end_handler );