QuaZIP  quazip-0-6-2
quaadler32.h
1 #ifndef QUAADLER32_H
2 #define QUAADLER32_H
3 
4 /*
5 Copyright (C) 2010 Adam Walczak
6 Copyright (C) 2005-2014 Sergey A. Tachenov
7 
8 This file is part of QuaZIP.
9 
10 QuaZIP is free software: you can redistribute it and/or modify
11 it under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation, either version 3 of the License, or
13 (at your option) any later version.
14 
15 QuaZIP is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU Lesser General Public License for more details.
19 
20 You should have received a copy of the GNU Lesser General Public License
21 along with QuaZIP. If not, see <http://www.gnu.org/licenses/>.
22 
23 See COPYING file for the full LGPL text.
24 
25 Original ZIP package is copyrighted by Gilles Vollant and contributors,
26 see quazip/(un)zip.h files for details. Basically it's the zlib license.
27 */
28 
29 #include <QByteArray>
30 
31 #include "quachecksum32.h"
32 
34 
38 class QUAZIP_EXPORT QuaAdler32 : public QuaChecksum32
39 {
40 
41 public:
42  QuaAdler32();
43 
44  quint32 calculate(const QByteArray &data);
45 
46  void reset();
47  void update(const QByteArray &buf);
48  quint32 value();
49 
50 private:
51  quint32 checksum;
52 };
53 
54 #endif //QUAADLER32_H
Adler32 checksum.
Definition: quaadler32.h:38
virtual quint32 calculate(const QByteArray &data)=0
Calculates the checksum for data.
virtual quint32 value()=0
Value of the checksum calculated for the stream passed throw update().
Checksum interface.
Definition: quachecksum32.h:52
virtual void update(const QByteArray &buf)=0
Updates the calculated checksum for the stream.
virtual void reset()=0
Resets the calculation on a checksun for a stream.