misc/quazip/quaadler32.cpp
author mikade
Mon, 31 Oct 2011 19:40:39 +0200
changeset 6253 d73317579ae4
parent 5752 ea95ee97c805
permissions -rw-r--r--
Add "Surfer" achievement to Space Invasion. Balance "Shield Miser" in Space Invasion. Fix disappearing ghost bug in Racer Extend waypoint limit to 8 in Racer Lengthen ghost tracking interval to improve performance in Racer. Allow users to view score between turns now that HideMission() is fixed.

#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;
}