text: ﻿#ifndef QUACRC32_H
  #define QUACRC32_H
  
  /*
  Copyright (C) 2005-2014 Sergey A. Tachenov
  
  This file is part of QuaZIP.
  
  QuaZIP is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 2.1 of the License, or
  (at your option) any later version.
  
  QuaZIP is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public License
  along with QuaZIP.  If not, see <http://www.gnu.org/licenses/>.
  
  See COPYING file for the full LGPL text.
  
  Original ZIP package is copyrighted by Gilles Vollant and contributors,
  see quazip/(un)zip.h files for details. Basically it's the zlib license.
  */
  
  #include "quachecksum32.h"
  
  ///CRC32 checksum
  /** \class QuaCrc32 quacrc32.h <quazip/quacrc32.h>
  * This class wrappers the crc32 function with the QuaChecksum32 interface.
  * See QuaChecksum32 for more info.
  */
  class QuaCrc32 : public QuaChecksum32 {
  
  public:
  	QuaCrc32();
  
  	quint32 calculate(const QByteArray &data);
  
  	void reset();
  	void update(const QByteArray &buf);
  	quint32 value();
  
  private:
  	quint32 checksum;
  };
  
  #endif //QUACRC32_H
  