Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qtemporaryfile.h

@@ -0,0 +1,68 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QTEMPORARYFILE_H
+#define QTEMPORARYFILE_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qfile.h>
+
+#ifdef open
+#error qtemporaryfile.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_NAMESPACE
+
+
+#ifndef QT_NO_TEMPORARYFILE
+
+class QTemporaryFilePrivate;
+class QLockFilePrivate;
+
+class Q_CORE_EXPORT QTemporaryFile : public QFile
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+    Q_DECLARE_PRIVATE(QTemporaryFile)
+
+public:
+    QTemporaryFile();
+    explicit QTemporaryFile(const QString &templateName);
+#ifndef QT_NO_QOBJECT
+    explicit QTemporaryFile(QObject *parent);
+    QTemporaryFile(const QString &templateName, QObject *parent);
+#endif
+    ~QTemporaryFile();
+
+    bool autoRemove() const;
+    void setAutoRemove(bool b);
+
+    // ### Hides open(flags)
+    bool open() { return open(QIODevice::ReadWrite); }
+
+    QString fileName() const override;
+    QString fileTemplate() const;
+    void setFileTemplate(const QString &name);
+
+    // Hides QFile::rename
+    bool rename(const QString &newName);
+
+    inline static QTemporaryFile *createNativeFile(const QString &fileName)
+        { QFile file(fileName); return createNativeFile(file); }
+    static QTemporaryFile *createNativeFile(QFile &file);
+
+protected:
+    bool open(OpenMode flags) override;
+
+private:
+    friend class QFile;
+    friend class QLockFilePrivate;
+    Q_DISABLE_COPY(QTemporaryFile)
+};
+
+#endif // QT_NO_TEMPORARYFILE
+
+QT_END_NAMESPACE
+
+#endif // QTEMPORARYFILE_H