Imported QuaZIP library to daemon sources

1 files changed, 52 insertions, 0 deletions

diff --git a/daemon/quazip/quacrc32.cpp b/daemon/quazip/quacrc32.cpp
new file mode 100644
index 0000000..7e1c57d
--- /dev/null
+++ b/daemon/quazip/quacrc32.cpp
@@ -0,0 +1,52 @@
+/*
+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 3 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 "quacrc32.h"
+
+#include "zlib.h"
+
+QuaCrc32::QuaCrc32()
+{
+	reset();
+}
+
+quint32 QuaCrc32::calculate(const QByteArray &data)
+{
+	return crc32( crc32(0L, Z_NULL, 0), (const Bytef*)data.data(), data.size() );
+}
+
+void QuaCrc32::reset()
+{
+	checksum = crc32(0L, Z_NULL, 0);
+}
+
+void QuaCrc32::update(const QByteArray &buf)
+{
+	checksum = crc32( checksum, (const Bytef*)buf.data(), buf.size() );
+}
+
+quint32 QuaCrc32::value()
+{
+	return checksum;
+}