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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
QuaAdler32
Adler32 checksum.
Definition: quaadler32.h:38
QuaChecksum32::calculate
virtual quint32 calculate(const QByteArray &data)=0
Calculates the checksum for data.
QuaChecksum32::value
virtual quint32 value()=0
Value of the checksum calculated for the stream passed throw update().
QuaChecksum32
Checksum interface.
Definition: quachecksum32.h:52
QuaChecksum32::update
virtual void update(const QByteArray &buf)=0
Updates the calculated checksum for the stream.
QuaChecksum32::reset
virtual void reset()=0
Resets the calculation on a checksun for a stream.