misc/quazip/quacrc32.cpp
author Xeli
Thu, 07 Jun 2012 01:10:57 +0200
changeset 7191 9419294e5f33
parent 5752 ea95ee97c805
permissions -rw-r--r--
first attempt at implementing support for keys with modifiers to use it, the keybinding have to be of the form mod:<modkey>:..:<modkey> <function> <keycode> for instance in an ini file change findhh=h to findhh=mod:lshift h

#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;
}