Replace the zeroing of pointers with nullptr

src/base/net/downloadmanager.cpp

@@ -51,7 +51,7 @@ namespace
     class NetworkCookieJar: public QNetworkCookieJar
     {
     public:
-        explicit NetworkCookieJar(QObject *parent = 0)
+        explicit NetworkCookieJar(QObject *parent = nullptr)
             : QNetworkCookieJar(parent)
         {
             QDateTime now = QDateTime::currentDateTime();
@@ -107,7 +107,7 @@ namespace
 
 using namespace Net;
 
-DownloadManager *DownloadManager::m_instance = 0;
+DownloadManager *DownloadManager::m_instance = nullptr;
 
 DownloadManager::DownloadManager(QObject *parent)
     : QObject(parent)
@@ -128,7 +128,7 @@ void DownloadManager::freeInstance()
 {
     if (m_instance) {
         delete m_instance;
-        m_instance = 0;
+        m_instance = nullptr;
     }
 }
 

src/base/net/downloadmanager.h

@@ -64,7 +64,7 @@ namespace Net
     #endif
 
     private:
-        explicit DownloadManager(QObject *parent = 0);
+        explicit DownloadManager(QObject *parent = nullptr);
 
         void applyProxySettings();
 

src/base/net/private/geoipdatabase.cpp

@@ -91,7 +91,7 @@ GeoIPDatabase::GeoIPDatabase(quint32 size)
 
 GeoIPDatabase *GeoIPDatabase::load(const QString &filename, QString &error)
 {
-    GeoIPDatabase *db = 0;
+    GeoIPDatabase *db = nullptr;
     QFile file(filename);
     if (file.size() > MAX_FILE_SIZE) {
         error = tr("Unsupported database file size.");
@@ -122,7 +122,7 @@ GeoIPDatabase *GeoIPDatabase::load(const QString &filename, QString &error)
 
 GeoIPDatabase *GeoIPDatabase::load(const QByteArray &data, QString &error)
 {
-    GeoIPDatabase *db = 0;
+    GeoIPDatabase *db = nullptr;
     if (data.size() > MAX_FILE_SIZE) {
         error = tr("Unsupported database file size.");
         return 0;

src/base/net/proxyconfigurationmanager.cpp

@@ -80,7 +80,7 @@ void ProxyConfigurationManager::freeInstance()
 {
     if (m_instance) {
         delete m_instance;
-        m_instance = 0;
+        m_instance = nullptr;
     }
 }
 

src/base/net/reverseresolution.h

@@ -47,7 +47,7 @@ namespace Net
         Q_DISABLE_COPY(ReverseResolution)
 
     public:
-        explicit ReverseResolution(QObject *parent = 0);
+        explicit ReverseResolution(QObject *parent = nullptr);
         ~ReverseResolution();
 
         void resolve(const QString &ip);