QtNetwork: Use Q_NULLPTR instead of 0 in all public headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Task-number: QTBUG-45291
Change-Id: I9a05d375d2d9d3ed56079ad024c89a08a290619b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

6 files changed, 12 insertions, 12 deletions

diff --git a/src/network/socket/qabstractsocket.h b/src/network/socket/qabstractsocket.h
index f3d7f13f48..b433c7e97f 100644
--- a/src/network/socket/qabstractsocket.h
+++ b/src/network/socket/qabstractsocket.h
@@ -213,7 +213,7 @@ protected:
     void setPeerAddress(const QHostAddress &address);
     void setPeerName(const QString &name);
 
-    QAbstractSocket(SocketType socketType, QAbstractSocketPrivate &dd, QObject *parent = 0);
+    QAbstractSocket(SocketType socketType, QAbstractSocketPrivate &dd, QObject *parent = Q_NULLPTR);
 
 private:
     Q_DECLARE_PRIVATE(QAbstractSocket)
diff --git a/src/network/socket/qlocalserver.h b/src/network/socket/qlocalserver.h
index a03cdb726d..24908db4aa 100644
--- a/src/network/socket/qlocalserver.h
+++ b/src/network/socket/qlocalserver.h
@@ -64,7 +64,7 @@ public:
     };
     Q_DECLARE_FLAGS(SocketOptions, SocketOption)
 
-    explicit QLocalServer(QObject *parent = 0);
+    explicit QLocalServer(QObject *parent = Q_NULLPTR);
     ~QLocalServer();
 
     void close();
@@ -80,7 +80,7 @@ public:
     static bool removeServer(const QString &name);
     QAbstractSocket::SocketError serverError() const;
     void setMaxPendingConnections(int numConnections);
-    bool waitForNewConnection(int msec = 0, bool *timedOut = 0);
+    bool waitForNewConnection(int msec = 0, bool *timedOut = Q_NULLPTR);
 
     void setSocketOptions(SocketOptions options);
     SocketOptions socketOptions() const;
diff --git a/src/network/socket/qlocalsocket.h b/src/network/socket/qlocalsocket.h
index a4d8405912..4b39a7c562 100644
--- a/src/network/socket/qlocalsocket.h
+++ b/src/network/socket/qlocalsocket.h
@@ -73,7 +73,7 @@ public:
         ClosingState = QAbstractSocket::ClosingState
     };
 
-    QLocalSocket(QObject *parent = 0);
+    QLocalSocket(QObject *parent = Q_NULLPTR);
     ~QLocalSocket();
 
     void connectToServer(OpenMode openMode = ReadWrite);
diff --git a/src/network/socket/qtcpserver.h b/src/network/socket/qtcpserver.h
index 8c7537a9b1..dd7b12c96a 100644
--- a/src/network/socket/qtcpserver.h
+++ b/src/network/socket/qtcpserver.h
@@ -51,7 +51,7 @@ class Q_NETWORK_EXPORT QTcpServer : public QObject
 {
     Q_OBJECT
 public:
-    explicit QTcpServer(QObject *parent = 0);
+    explicit QTcpServer(QObject *parent = Q_NULLPTR);
     virtual ~QTcpServer();
 
     bool listen(const QHostAddress &address = QHostAddress::Any, quint16 port = 0);
@@ -68,7 +68,7 @@ public:
     qintptr socketDescriptor() const;
     bool setSocketDescriptor(qintptr socketDescriptor);
 
-    bool waitForNewConnection(int msec = 0, bool *timedOut = 0);
+    bool waitForNewConnection(int msec = 0, bool *timedOut = Q_NULLPTR);
     virtual bool hasPendingConnections() const;
     virtual QTcpSocket *nextPendingConnection();
 
@@ -87,7 +87,7 @@ protected:
     virtual void incomingConnection(qintptr handle);
     void addPendingConnection(QTcpSocket* socket);
 
-    QTcpServer(QTcpServerPrivate &dd, QObject *parent = 0);
+    QTcpServer(QTcpServerPrivate &dd, QObject *parent = Q_NULLPTR);
 
 Q_SIGNALS:
     void newConnection();
diff --git a/src/network/socket/qtcpsocket.h b/src/network/socket/qtcpsocket.h
index bf5370c976..8e3cb5946f 100644
--- a/src/network/socket/qtcpsocket.h
+++ b/src/network/socket/qtcpsocket.h
@@ -46,13 +46,13 @@ class Q_NETWORK_EXPORT QTcpSocket : public QAbstractSocket
 {
     Q_OBJECT
 public:
-    explicit QTcpSocket(QObject *parent = 0);
+    explicit QTcpSocket(QObject *parent = Q_NULLPTR);
     virtual ~QTcpSocket();
 
 protected:
-    QTcpSocket(QTcpSocketPrivate &dd, QObject *parent = 0);
+    QTcpSocket(QTcpSocketPrivate &dd, QObject *parent = Q_NULLPTR);
     QTcpSocket(QAbstractSocket::SocketType socketType, QTcpSocketPrivate &dd,
-               QObject *parent = 0);
+               QObject *parent = Q_NULLPTR);
 
 private:
     Q_DISABLE_COPY(QTcpSocket)
diff --git a/src/network/socket/qudpsocket.h b/src/network/socket/qudpsocket.h
index fcf16fb345..e902984b4f 100644
--- a/src/network/socket/qudpsocket.h
+++ b/src/network/socket/qudpsocket.h
@@ -49,7 +49,7 @@ class Q_NETWORK_EXPORT QUdpSocket : public QAbstractSocket
 {
     Q_OBJECT
 public:
-    explicit QUdpSocket(QObject *parent = 0);
+    explicit QUdpSocket(QObject *parent = Q_NULLPTR);
     virtual ~QUdpSocket();
 
 #ifndef QT_NO_NETWORKINTERFACE
@@ -66,7 +66,7 @@ public:
 
     bool hasPendingDatagrams() const;
     qint64 pendingDatagramSize() const;
-    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *host = 0, quint16 *port = 0);
+    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *host = Q_NULLPTR, quint16 *port = Q_NULLPTR);
     qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &host, quint16 port);
     inline qint64 writeDatagram(const QByteArray &datagram, const QHostAddress &host, quint16 port)
         { return writeDatagram(datagram.constData(), datagram.size(), host, port); }