Core classes, examples, demos: Some changes from string to char

Reviewed-by: Peter Hartmann

10 files changed, 15 insertions, 14 deletions

diff --git a/examples/network/network-chat/chatdialog.cpp b/examples/network/network-chat/chatdialog.cpp
index d8bcb30..da65270 100644
--- a/examples/network/network-chat/chatdialog.cpp
+++ b/examples/network/network-chat/chatdialog.cpp
@@ -79,7 +79,7 @@ void ChatDialog::appendMessage(const QString &from, const QString &message)
     QTextCursor cursor(textEdit->textCursor());
     cursor.movePosition(QTextCursor::End);
     QTextTable *table = cursor.insertTable(1, 2, tableFormat);
-    table->cellAt(0, 0).firstCursorPosition().insertText("<" + from + "> ");
+    table->cellAt(0, 0).firstCursorPosition().insertText('<' + from + "> ");
     table->cellAt(0, 1).firstCursorPosition().insertText(message);
     QScrollBar *bar = textEdit->verticalScrollBar();
     bar->setValue(bar->maximum());
diff --git a/examples/network/network-chat/client.cpp b/examples/network/network-chat/client.cpp
index 2b8725c..f516783 100644
--- a/examples/network/network-chat/client.cpp
+++ b/examples/network/network-chat/client.cpp
@@ -69,8 +69,8 @@ void Client::sendMessage(const QString &message)
 
 QString Client::nickName() const
 {
-    return QString(peerManager->userName()) + "@" + QHostInfo::localHostName()
-           + ":" + QString::number(server.serverPort());
+    return QString(peerManager->userName()) + '@' + QHostInfo::localHostName()
+           + ':' + QString::number(server.serverPort());
 }
 
 bool Client::hasConnection(const QHostAddress &senderIp, int senderPort) const
diff --git a/examples/network/network-chat/connection.cpp b/examples/network/network-chat/connection.cpp
index 1df8a2d..5c636b9 100644
--- a/examples/network/network-chat/connection.cpp
+++ b/examples/network/network-chat/connection.cpp
@@ -83,7 +83,7 @@ bool Connection::sendMessage(const QString &message)
         return false;
 
     QByteArray msg = message.toUtf8();
-    QByteArray data = "MESSAGE " + QByteArray::number(msg.size()) + " " + msg;
+    QByteArray data = "MESSAGE " + QByteArray::number(msg.size()) + ' ' + msg;
     return write(data) == data.size();
 }
 
@@ -118,7 +118,7 @@ void Connection::processReadyRead()
             return;
         }
 
-        username = QString(buffer) + "@" + peerAddress().toString() + ":"
+        username = QString(buffer) + '@' + peerAddress().toString() + ':'
                    + QString::number(peerPort());
         currentDataType = Undefined;
         numBytesForCurrentDataType = 0;
@@ -162,7 +162,7 @@ void Connection::sendPing()
 void Connection::sendGreetingMessage()
 {
     QByteArray greeting = greetingMessage.toUtf8();
-    QByteArray data = "GREETING " + QByteArray::number(greeting.size()) + " " + greeting;
+    QByteArray data = "GREETING " + QByteArray::number(greeting.size()) + ' ' + greeting;
     if (write(data) == data.size())
         isGreetingMessageSent = true;
 }
diff --git a/examples/network/network-chat/peermanager.cpp b/examples/network/network-chat/peermanager.cpp
index 5ad2dc7..430031b 100644
--- a/examples/network/network-chat/peermanager.cpp
+++ b/examples/network/network-chat/peermanager.cpp
@@ -61,7 +61,7 @@ PeerManager::PeerManager(Client *client)
     foreach (QString string, envVariables) {
         int index = environment.indexOf(QRegExp(string));
         if (index != -1) {
-            QStringList stringList = environment.at(index).split("=");
+            QStringList stringList = environment.at(index).split('=');
             if (stringList.size() == 2) {
                 username = stringList.at(1).toUtf8();
                 break;
diff --git a/examples/network/qftp/ftpwindow.cpp b/examples/network/qftp/ftpwindow.cpp
index ae3a2b6..3fd62f8 100644
--- a/examples/network/qftp/ftpwindow.cpp
+++ b/examples/network/qftp/ftpwindow.cpp
@@ -324,7 +324,8 @@ void FtpWindow::processItem(QTreeWidgetItem *item, int /*column*/)
     if (isDirectory.value(name)) {
         fileList->clear();
         isDirectory.clear();
-        currentPath += "/" + name;
+        currentPath += '/';
+        currentPath += name;
         ftp->cd(name);
         ftp->list();
         cdToParentButton->setEnabled(true);
diff --git a/examples/network/securesocketclient/sslclient.cpp b/examples/network/securesocketclient/sslclient.cpp
index 1422f1c..0d6a581 100644
--- a/examples/network/securesocketclient/sslclient.cpp
+++ b/examples/network/securesocketclient/sslclient.cpp
@@ -177,7 +177,7 @@ void SslClient::socketReadyRead()
 void SslClient::sendData()
 {
     QString input = form->sessionInput->text();
-    appendString(input + "\n");
+    appendString(input + '\n');
     socket->write(input.toUtf8() + "\r\n");
     form->sessionInput->clear();
 }
diff --git a/examples/network/torrent/trackerclient.cpp b/examples/network/torrent/trackerclient.cpp
index 4f23d54..2397737 100644
--- a/examples/network/torrent/trackerclient.cpp
+++ b/examples/network/torrent/trackerclient.cpp
@@ -105,7 +105,7 @@ void TrackerClient::fetchPeerList()
     QString passkey = "?";
     if (fullUrl.contains("?passkey")) {
         passkey = metaInfo.announceUrl().mid(fullUrl.indexOf("?passkey"), -1);
-        passkey += "&";
+        passkey += '&';
     }
 
     // Percent encode the hash
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index 722d6d3..9179485 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -98,7 +98,7 @@ static inline QByteArray openModeToFopenMode(QIODevice::OpenMode flags, const QS
             if (!fileName.isEmpty()
                 && QT_STAT(QFile::encodeName(fileName), &statBuf) == 0
                 && (statBuf.st_mode & S_IFMT) == S_IFREG) {
-                mode += "+";
+                mode += '+';
             } else {
                 mode = "wb+";
             }
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index 58123b2..61a95fe 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -753,7 +753,7 @@ void QNetworkAccessHttpBackend::replyHeaderChanged()
         QByteArray value = rawHeader(it->first);
         if (!value.isEmpty()) {
             if (qstricmp(it->first.constData(), "set-cookie") == 0)
-                value += "\n";
+                value += '\n';
             else
                 value += ", ";
         }
diff --git a/src/network/ssl/qsslcertificate.cpp b/src/network/ssl/qsslcertificate.cpp
index 9a9b1b5..fd647e2 100644
--- a/src/network/ssl/qsslcertificate.cpp
+++ b/src/network/ssl/qsslcertificate.cpp
@@ -634,11 +634,11 @@ QByteArray QSslCertificatePrivate::QByteArray_from_X509(X509 *x509, QSsl::Encodi
     QByteArray tmp;
     for (int i = 0; i <= array.size() - 64; i += 64) {
         tmp += QByteArray::fromRawData(array.data() + i, 64);
-        tmp += "\n";
+        tmp += '\n';
     }
     if (int remainder = array.size() % 64) {
         tmp += QByteArray::fromRawData(array.data() + array.size() - remainder, remainder);
-        tmp += "\n";
+        tmp += '\n';
     }
 
     return BEGINCERTSTRING "\n" + tmp + ENDCERTSTRING "\n";