Checksum.h++

Go to the documentation of this file.

/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2009  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_Checksum_hxx
#define __ccxx_Checksum_hxx

#include <commonc++/Common.h++>

namespace ccxx {

class Checksum
{
  public:

  virtual ~Checksum() throw();

  virtual void update(const byte_t *buf, size_t len) throw() = 0;

  uint32_t finish() throw();

  void reset() throw();

  protected:

  Checksum() throw();

  uint32_t _sum;

  private:
  CCXX_COPY_DECLS(Checksum);
};

}; // namespace ccxx

#endif // __ccxx_Checksum_hxx

/* end of header file */