pollymc/depends/quazip/quacrc32.cpp

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#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;
}