misc/quazip/quacrc32.cpp
author nemo
Mon, 03 Sep 2012 00:00:54 -0400
changeset 7656 e7bef1a4fda7
parent 5752 ea95ee97c805
permissions -rw-r--r--
So, unc0rr won't let me revert to pre-e496587db93e, but reverting db731c523653 makes the rope less-sticky-enough to actually be usable in an ordinary game without my screaming at the monitor as I drown for the nth time...

#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;
}