QuaCrc32 Class Reference

CRC32 checksum. More...

#include <quazip/quacrc32.h>

Inheritance diagram for QuaCrc32:

Collaboration diagram for QuaCrc32:

Public Member Functions
quint32	calculate (const QByteArray &data) override
	Calculates the checksum for data.
void	reset () override
	Resets the calculation on a checksun for a stream.
void	update (const QByteArray &buf) override
	Updates the calculated checksum for the stream.
quint32	value () override
	Value of the checksum calculated for the stream passed throw update().
virtual quint32	calculate (const QByteArray &data)=0
	Calculates the checksum for data.
virtual void	reset ()=0
	Resets the calculation on a checksun for a stream.
virtual void	update (const QByteArray &buf)=0
	Updates the calculated checksum for the stream.
virtual quint32	value ()=0
	Value of the checksum calculated for the stream passed throw update().

Detailed Description

CRC32 checksum.

This class wrappers the crc32 function with the QuaChecksum32 interface. See QuaChecksum32 for more info.

Member Function Documentation

calculate()

quint32 QuaCrc32::calculate ( const QByteArray &  data )

overridevirtual

Calculates the checksum for data.

data source data

Returns

data checksum

This function has no efect on the value returned by value().

Implements QuaChecksum32.

References QByteArray::data(), and QByteArray::size().

reset()

void QuaCrc32::reset ( )

overridevirtual

Resets the calculation on a checksun for a stream.

Implements QuaChecksum32.

update()

void QuaCrc32::update ( const QByteArray &  buf )

overridevirtual

Updates the calculated checksum for the stream.

buf next portion of data from the stream

Implements QuaChecksum32.

References QByteArray::data(), and QByteArray::size().

value()

quint32 QuaCrc32::value ( )

overridevirtual

Value of the checksum calculated for the stream passed throw update().

Returns

checksum

Implements QuaChecksum32.

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The documentation for this class was generated from the following files:

• quazip/quacrc32.h
• quazip/quacrc32.cpp