Add Qt libs and headers

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

@@ -0,0 +1,67 @@
+// Copyright (C) 2012 David Faure <faure@kde.org>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QSAVEFILE_H
+#define QSAVEFILE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_TEMPORARYFILE
+
+#include <QtCore/qfiledevice.h>
+#include <QtCore/qstring.h>
+
+#ifdef open
+#error qsavefile.h must be included before any header file that defines open
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractFileEngine;
+class QSaveFilePrivate;
+
+class Q_CORE_EXPORT QSaveFile : public QFileDevice
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+    Q_DECLARE_PRIVATE(QSaveFile)
+
+public:
+
+    explicit QSaveFile(const QString &name);
+#ifndef QT_NO_QOBJECT
+    explicit QSaveFile(QObject *parent = nullptr);
+    explicit QSaveFile(const QString &name, QObject *parent);
+#endif
+    ~QSaveFile();
+
+    QString fileName() const override;
+    void setFileName(const QString &name);
+
+    bool open(OpenMode flags) override;
+    bool commit();
+
+    void cancelWriting();
+
+    void setDirectWriteFallback(bool enabled);
+    bool directWriteFallback() const;
+
+protected:
+    qint64 writeData(const char *data, qint64 len) override;
+
+private:
+    void close() override;
+#if !QT_CONFIG(translation)
+    static QString tr(const char *string) { return QString::fromLatin1(string); }
+#endif
+
+private:
+    Q_DISABLE_COPY(QSaveFile)
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TEMPORARYFILE
+
+#endif // QSAVEFILE_H