Merge remote branch 'origin/4.6' into qt-master-from-4.6

Conflicts:
	tools/assistant/lib/qhelpsearchindexreader_clucene_p.h

9 files changed, 87 insertions, 71 deletions

diff --git a/src/corelib/arch/qatomic_s390.h b/src/corelib/arch/qatomic_s390.h
index 21f5037..273c17b 100644
--- a/src/corelib/arch/qatomic_s390.h
+++ b/src/corelib/arch/qatomic_s390.h
@@ -366,11 +366,9 @@ template <typename T>
 Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
 {
 #ifndef __s390x__
-    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr",
-                             "", "bcr 15,0\n");
+    return (T*)__CS_OLD_LOOP(&_q_value, (int)newValue, "lr", "", "");
 #else
-    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr",
-                              "", "bcr 15,0\n");
+    return (T*)__CSG_OLD_LOOP(&_q_value, (long)newValue, "lgr", "", "");
 #endif
 }
 
@@ -378,9 +376,9 @@ template <typename T>
 Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
 {
 #ifndef __s390x__
-    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr", "", "");
+    return (T*)__CS_OLD_LOOP(&_q_value, (int)newValue, "lr", "", "bcr 15,0 \n");
 #else
-    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr", "", "");
+    return (T*)__CSG_OLD_LOOP(&_q_value, (long)newValue, "lgr", "", "bcr 15,0 \n");
 #endif
 }
 
@@ -388,11 +386,9 @@ template <typename T>
 Q_INLINE_TEMPLATE T* QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
 {
 #ifndef __s390x__
-    return (T*)__CS_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (int)newValue, "lr",
-                             "bcr 15,0 \n", "");
+    return (T*)__CS_OLD_LOOP(&_q_value, (int)newValue, "lr", "bcr 15,0 \n", "");
 #else
-    return (T*)__CSG_OLD_LOOP(reinterpret_cast<volatile long*>(_q_value), (long)newValue, "lgr",
-                              "bcr 15,0\n", "");
+    return (T*)__CSG_OLD_LOOP(&_q_value, (long)newValue, "lgr", "bcr 15,0\n", "");
 #endif
 }
 
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index c98c5e9..261c369 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -112,7 +112,7 @@ class QList
 public:
     inline QList() : d(&QListData::shared_null) { d->ref.ref(); }
     inline QList(const QList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach_helper(); }
-    ~QList(); // ### Qt5: make this destructor virtual
+    ~QList();
     QList<T> &operator=(const QList<T> &l);
     bool operator==(const QList<T> &l) const;
     inline bool operator!=(const QList<T> &l) const { return !(*this == l); }
diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index d0fa22d..706d2a8 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -2474,10 +2474,11 @@ void QTreeView::rowsInserted(const QModelIndex &parent, int start, int end)
 
         QVector<QTreeViewItem> insertedItems(delta);
         for (int i = 0; i < delta; ++i) {
-            insertedItems[i].index = d->model->index(i + start, 0, parent);
-            insertedItems[i].level = childLevel;
-            insertedItems[i].hasChildren = d->hasVisibleChildren(insertedItems[i].index);
-            insertedItems[i].hasMoreSiblings = !((i == delta - 1) && (parentRowCount == end +1));
+            QTreeViewItem &item = insertedItems[i];
+            item.index = d->model->index(i + start, 0, parent);
+            item.level = childLevel;
+            item.hasChildren = d->hasVisibleChildren(item.index);
+            item.hasMoreSiblings = !((i == delta - 1) && (parentRowCount == end +1));
         }
         if (d->viewItems.isEmpty())
             d->defaultItemHeight = indexRowSizeHint(insertedItems[0].index);
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 7412b06..c9a94ee 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -210,13 +210,11 @@ bool QSoftKeyManager::handleUpdateSoftKeys()
     d->requestedSoftKeyActions.clear();
     bool recursiveMerging = false;
     QWidget *source = softkeySource(NULL, recursiveMerging);
-    do {
-        if (source) {
-            bool added = appendSoftkeys(*source, level);
-            source = softkeySource(source, recursiveMerging);
-            level = added ? ++level : level;
-        }
-    } while (source);
+    while (source) {
+        if (appendSoftkeys(*source, level))
+            ++level;
+        source = softkeySource(source, recursiveMerging);
+    }
 
     d->updateSoftKeys_sys();
     return true;
diff --git a/src/network/access/qhttpnetworkconnection.cpp b/src/network/access/qhttpnetworkconnection.cpp
index cc6a1c8..62aa2d7 100644
--- a/src/network/access/qhttpnetworkconnection.cpp
+++ b/src/network/access/qhttpnetworkconnection.cpp
@@ -404,6 +404,7 @@ QHttpNetworkReply* QHttpNetworkConnectionPrivate::queueRequest(const QHttpNetwor
     QHttpNetworkReply *reply = new QHttpNetworkReply(request.url());
     reply->setRequest(request);
     reply->d_func()->connection = q;
+    reply->d_func()->connectionChannel = &channels[0]; // will have the correct one set later
     HttpMessagePair pair = qMakePair(request, reply);
 
     switch (request.priority()) {
@@ -688,14 +689,12 @@ void QHttpNetworkConnectionPrivate::_q_startNextRequest()
         if (channels[i].resendCurrent) {
             channels[i].resendCurrent = false;
             channels[i].state = QHttpNetworkConnectionChannel::IdleState;
-            if (channels[i].reply) {
 
-                // if this is not possible, error will be emitted and connection terminated
-                if (!channels[i].resetUploadData())
-                    continue;
+            // if this is not possible, error will be emitted and connection terminated
+            if (!channels[i].resetUploadData())
+                continue;
 
-                channels[i].sendRequest();
-            }
+            channels[i].sendRequest();
         }
     }
 
@@ -861,17 +860,6 @@ QNetworkProxy QHttpNetworkConnection::transparentProxy() const
 
 // SSL support below
 #ifndef QT_NO_OPENSSL
-QSslConfiguration QHttpNetworkConnectionPrivate::sslConfiguration(const QHttpNetworkReply &reply) const
-{
-    if (!encrypt)
-        return QSslConfiguration();
-
-    for (int i = 0; i < channelCount; ++i)
-        if (channels[i].reply == &reply)
-            return static_cast<QSslSocket *>(channels[0].socket)->sslConfiguration();
-    return QSslConfiguration(); // pending or done request
-}
-
 void QHttpNetworkConnection::setSslConfiguration(const QSslConfiguration &config)
 {
     Q_D(QHttpNetworkConnection);
diff --git a/src/network/access/qhttpnetworkconnection_p.h b/src/network/access/qhttpnetworkconnection_p.h
index 03cf09c..823774e 100644
--- a/src/network/access/qhttpnetworkconnection_p.h
+++ b/src/network/access/qhttpnetworkconnection_p.h
@@ -210,11 +210,6 @@ public:
     void emitReplyError(QAbstractSocket *socket, QHttpNetworkReply *reply, QNetworkReply::NetworkError errorCode);
     bool handleAuthenticateChallenge(QAbstractSocket *socket, QHttpNetworkReply *reply, bool isProxy, bool &resend);
 
-
-#ifndef QT_NO_OPENSSL
-    QSslConfiguration sslConfiguration(const QHttpNetworkReply &reply) const;
-#endif
-
 #ifndef QT_NO_NETWORKPROXY
     QNetworkProxy networkProxy;
     void emitProxyAuthenticationRequired(const QHttpNetworkConnectionChannel *chan, const QNetworkProxy &proxy, QAuthenticator* auth);
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index 2a3036b..dbee72a 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -124,6 +124,13 @@ void QHttpNetworkConnectionChannel::close()
 
 bool QHttpNetworkConnectionChannel::sendRequest()
 {
+    if (!reply) {
+        // heh, how should that happen!
+        qWarning() << "QHttpNetworkConnectionChannel::sendRequest() called without QHttpNetworkReply";
+        state = QHttpNetworkConnectionChannel::IdleState;
+        return false;
+    }
+
     switch (state) {
     case QHttpNetworkConnectionChannel::IdleState: { // write the header
         if (!ensureConnection()) {
@@ -134,13 +141,13 @@ bool QHttpNetworkConnectionChannel::sendRequest()
         }
         written = 0; // excluding the header
         bytesTotal = 0;
-        if (reply) {
-            reply->d_func()->clear();
-            reply->d_func()->connection = connection;
-            reply->d_func()->autoDecompress = request.d->autoDecompress;
-            reply->d_func()->pipeliningUsed = false;
-        }
-        state = QHttpNetworkConnectionChannel::WritingState;
+
+        reply->d_func()->clear();
+        reply->d_func()->connection = connection;
+        reply->d_func()->connectionChannel = this;
+        reply->d_func()->autoDecompress = request.d->autoDecompress;
+        reply->d_func()->pipeliningUsed = false;
+
         pendingEncrypt = false;
         // if the url contains authentication parameters, use the new ones
         // both channels will use the new authentication parameters
@@ -174,13 +181,15 @@ bool QHttpNetworkConnectionChannel::sendRequest()
             QObject::connect(uploadByteDevice, SIGNAL(readyRead()),this, SLOT(_q_uploadDataReadyRead()));
 
             bytesTotal = request.contentLength();
+
+            state = QHttpNetworkConnectionChannel::WritingState; // start writing data
+            sendRequest(); //recurse
         } else {
-            state = QHttpNetworkConnectionChannel::WaitingState;
-            sendRequest();
-            break;
+            state = QHttpNetworkConnectionChannel::WaitingState; // now wait for response
+            sendRequest(); //recurse
         }
-        // write the initial chunk together with the headers
-        // fall through
+
+        break;
     }
     case QHttpNetworkConnectionChannel::WritingState:
     {
@@ -190,7 +199,7 @@ bool QHttpNetworkConnectionChannel::sendRequest()
             if (uploadByteDevice)
                 emit reply->dataSendProgress(written, bytesTotal);
             state = QHttpNetworkConnectionChannel::WaitingState; // now wait for response
-            sendRequest();
+            sendRequest(); // recurse
             break;
         }
 
@@ -278,16 +287,25 @@ void QHttpNetworkConnectionChannel::_q_receiveReply()
 {
     Q_ASSERT(socket);
 
+    if (!reply) {
+        // heh, how should that happen!
+        qWarning() << "QHttpNetworkConnectionChannel::_q_receiveReply() called without QHttpNetworkReply,"
+                << socket->bytesAvailable() << "bytes on socket.";
+        close();
+        return;
+    }
+
     qint64 bytes = 0;
     QAbstractSocket::SocketState socketState = socket->state();
 
     // connection might be closed to signal the end of data
     if (socketState == QAbstractSocket::UnconnectedState) {
         if (socket->bytesAvailable() <= 0) {
-            if (reply && reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
+            if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
                 // finish this reply. this case happens when the server did not send a content length
                 reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
                 allDone();
+                return;
             } else {
                 handleUnexpectedEOF();
                 return;
@@ -299,12 +317,13 @@ void QHttpNetworkConnectionChannel::_q_receiveReply()
 
     // read loop for the response
     while (socket->bytesAvailable()) {
-        QHttpNetworkReplyPrivate::ReplyState state = reply ? reply->d_func()->state : QHttpNetworkReplyPrivate::AllDoneState;
+        QHttpNetworkReplyPrivate::ReplyState state = reply->d_func()->state;
         switch (state) {
         case QHttpNetworkReplyPrivate::NothingDoneState: {
             // only eat whitespace on the first call
             eatWhitespace();
             state = reply->d_func()->state = QHttpNetworkReplyPrivate::ReadingStatusState;
+            // fallthrough
         }
         case QHttpNetworkReplyPrivate::ReadingStatusState: {
             qint64 statusBytes = reply->d_func()->readStatus(socket);
@@ -412,8 +431,10 @@ void QHttpNetworkConnectionChannel::_q_receiveReply()
 #endif
                 }
             }
+            // still in ReadingDataState? This function will be called again by the socket's readyRead
             if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState)
                 break;
+
             // everything done, fall through
             }
       case QHttpNetworkReplyPrivate::AllDoneState:
@@ -568,7 +589,8 @@ void QHttpNetworkConnectionChannel::allDone()
     handleStatus();
     // ### at this point there should be no more data on the socket
     // close if server requested
-    if (reply->d_func()->isConnectionCloseEnabled())
+    bool connectionCloseEnabled = reply->d_func()->isConnectionCloseEnabled();
+    if (connectionCloseEnabled)
         close();
     // queue the finished signal, this is required since we might send new requests from
     // slot connected to it. The socket will not fire readyRead signal, if we are already
@@ -579,14 +601,22 @@ void QHttpNetworkConnectionChannel::allDone()
     // in case of failures, each channel will attempt two reconnects before emitting error.
     reconnectAttempts = 2;
 
+    detectPipeliningSupport();
+
     // now the channel can be seen as free/idle again, all signal emissions for the reply have been done
     this->state = QHttpNetworkConnectionChannel::IdleState;
 
-    detectPipeliningSupport();
+    // if it does not need to be sent again we can set it to 0
+    // the previous code did not do that and we had problems with accidental re-sending of a
+    // finished request.
+    // Note that this may trigger a segfault at some other point. But then we can fix the underlying
+    // problem.
+    if (!resendCurrent)
+        reply = 0;
 
     // move next from pipeline to current request
     if (!alreadyPipelinedRequests.isEmpty()) {
-        if (resendCurrent || reply->d_func()->isConnectionCloseEnabled() || socket->state() != QAbstractSocket::ConnectedState) {
+        if (resendCurrent || connectionCloseEnabled || socket->state() != QAbstractSocket::ConnectedState) {
             // move the pipelined ones back to the main queue
             requeueCurrentlyPipelinedRequests();
             close();
@@ -742,12 +772,11 @@ void  QHttpNetworkConnectionChannel::pipelineInto(HttpMessagePair &pair)
 
     QHttpNetworkRequest &request = pair.first;
     QHttpNetworkReply *reply = pair.second;
-    if (reply) {
-        reply->d_func()->clear();
-        reply->d_func()->connection = connection;
-        reply->d_func()->autoDecompress = request.d->autoDecompress;
-        reply->d_func()->pipeliningUsed = true;
-    }
+    reply->d_func()->clear();
+    reply->d_func()->connection = connection;
+    reply->d_func()->connectionChannel = this;
+    reply->d_func()->autoDecompress = request.d->autoDecompress;
+    reply->d_func()->pipeliningUsed = true;
 
 #ifndef QT_NO_NETWORKPROXY
     QByteArray header = QHttpNetworkRequestPrivate::header(request,
diff --git a/src/network/access/qhttpnetworkreply.cpp b/src/network/access/qhttpnetworkreply.cpp
index 512c045..984f557 100644
--- a/src/network/access/qhttpnetworkreply.cpp
+++ b/src/network/access/qhttpnetworkreply.cpp
@@ -230,6 +230,7 @@ void QHttpNetworkReplyPrivate::clear()
     currentChunkRead = 0;
     connectionCloseEnabled = true;
     connection = 0;
+    connectionChannel = 0;
 #ifndef QT_NO_COMPRESS
     if (initInflate)
         inflateEnd(&inflateStrm);
@@ -803,9 +804,15 @@ void QHttpNetworkReplyPrivate::eraseData()
 QSslConfiguration QHttpNetworkReply::sslConfiguration() const
 {
     Q_D(const QHttpNetworkReply);
-    if (d->connection)
-        return d->connection->d_func()->sslConfiguration(*this);
-    return QSslConfiguration();
+
+    if (!d->connectionChannel)
+        return QSslConfiguration();
+
+    QSslSocket *sslSocket = qobject_cast<QSslSocket*>(d->connectionChannel->socket);
+    if (!sslSocket)
+        return QSslConfiguration();
+
+    return sslSocket->sslConfiguration();
 }
 
 void QHttpNetworkReply::setSslConfiguration(const QSslConfiguration &config)
diff --git a/src/network/access/qhttpnetworkreply_p.h b/src/network/access/qhttpnetworkreply_p.h
index af9266b..fa240ec 100644
--- a/src/network/access/qhttpnetworkreply_p.h
+++ b/src/network/access/qhttpnetworkreply_p.h
@@ -86,6 +86,7 @@ static const unsigned char gz_magic[2] = {0x1f, 0x8b}; // gzip magic header
 QT_BEGIN_NAMESPACE
 
 class QHttpNetworkConnection;
+class QHttpNetworkConnectionChannel;
 class QHttpNetworkRequest;
 class QHttpNetworkConnectionPrivate;
 class QHttpNetworkReplyPrivate;
@@ -218,6 +219,7 @@ public:
     qint64 currentChunkSize;
     qint64 currentChunkRead;
     QPointer<QHttpNetworkConnection> connection;
+    QPointer<QHttpNetworkConnectionChannel> connectionChannel;
     bool initInflate;
     bool streamEnd;
 #ifndef QT_NO_COMPRESS