#include "quaadler32.h"

#include "zlib.h"

QuaAdler32::QuaAdler32()

{

	reset();

}

quint32 QuaAdler32::calculate(const QByteArray &data)

{

	return adler32( adler32(0L, Z_NULL, 0), (const Bytef*)data.data(), data.size() );

}

void QuaAdler32::reset()

{

	checksum = adler32(0L, Z_NULL, 0);

}

void QuaAdler32::update(const QByteArray &buf)

{

	checksum = adler32( checksum, (const Bytef*)buf.data(), buf.size() );

}

quint32 QuaAdler32::value()

{

	return checksum;

}