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 /*
     SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
     SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
     SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
     SPDX-FileCopyrightText: 2018 Huzaifa Faruqui <huzaifafaruqui@gmail.com>
 
     SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 #ifndef KPMCORE_COPYSOURCESHRED_H
 #define KPMCORE_COPYSOURCESHRED_H
 
 #include "core/copysource.h"
 
 #include <QFile>
 
 class CopyTarget;
 class QString;
 
 /** A source for securely overwriting a partition (shredding).
 
     Represents a source of data (random or zeros) to copy from. Used to securely overwrite data on disk.
 
     @author Volker Lanz <vl@fidra.de>
 */
 class CopySourceShred : public CopySource
 {
 public:
     CopySourceShred(qint64 size, bool randomShred);
 
 public:
     bool open() override;
     qint64 length() const override;
 
     bool overlaps(const CopyTarget&) const override {
         return false;    /**< @return false for shred source */
     }
     qint64 firstByte() const override {
         return 0;    /**< @return 0 for shred source */
     }
     qint64 lastByte() const override {
         return length();    /**< @return equal to length for shred source. @see length() */
     }
     QString path() const override {
         return m_SourceFile.fileName();
     }
 
 protected:
     QFile& sourceFile() {
         return m_SourceFile;
     }
     const QFile& sourceFile() const {
         return m_SourceFile;
     }
     qint64 size() const {
         return m_Size;
     }
 
 private:
     qint64 m_Size;
     QFile m_SourceFile;
 };
 
 #endif