misc/quazip/quacrc32.cpp
author nemo
Mon, 12 Sep 2011 19:30:18 -0400
changeset 5883 a6d764786905
parent 5752 ea95ee97c805
permissions -rw-r--r--
Disable GL SetAttributes for Windows due to many testers with problems. This restores .15 behaviour. If we can find willing testers, perhaps we can narrow down which attribute was the problem. Also reenable F12 bind for Windows.

#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;
}