Add swap and move operator to QHostInfo

Also mark as shared-come-qt6,

[ChangeLog][QtNetwork][QHostInfo] Added swap() and move operator.

Change-Id: I8f422868f0487a37aeba3bc74685dc4912e9b3a4
Coverity-Id: 168204
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

2 files changed, 26 insertions, 0 deletions

diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index 46123eb8a7..d2e61778ec 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -279,6 +279,27 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 }
 
 /*!
+    \fn QHostInfo &QHostInfo::operator=(QHostInfo &&other)
+
+    Move-assigns \a other to this QHostInfo instance.
+
+    \note The moved-from object \a other is placed in a
+    partially-formed state, in which the only valid operations are
+    destruction and assignment of a new value.
+
+    \since 5.10
+*/
+
+/*!
+    \fn void QHostInfo::swap(QHostInfo &other)
+
+    Swaps host-info \other with this host-info. This operation is
+    very fast and never fails.
+
+    \since 5.10
+*/
+
+/*!
     \fn int QHostInfo::lookupHost(const QString &name, const QObject *receiver, PointerToMemberFunction function)
 
     \since 5.9
diff --git a/src/network/kernel/qhostinfo.h b/src/network/kernel/qhostinfo.h
index 00c70ae9b9..c5727bb6eb 100644
--- a/src/network/kernel/qhostinfo.h
+++ b/src/network/kernel/qhostinfo.h
@@ -63,8 +63,11 @@ public:
     explicit QHostInfo(int lookupId = -1);
     QHostInfo(const QHostInfo &d);
     QHostInfo &operator=(const QHostInfo &d);
+    QHostInfo &operator=(QHostInfo &&other) Q_DECL_NOTHROW { swap(other); return *this; }
     ~QHostInfo();
 
+    void swap(QHostInfo &other) Q_DECL_NOTHROW { qSwap(d, other.d); }
+
     QString hostName() const;
     void setHostName(const QString &name);
 
@@ -154,6 +157,8 @@ private:
                               QtPrivate::QSlotObjectBase *slotObj);
 };
 
+Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QHostInfo)
+
 QT_END_NAMESPACE
 
 Q_DECLARE_METATYPE(QHostInfo)