OFCRC32 Class Reference

general-purpose 32-bit CRC algorithm. More...

Public Member Functions
	OFCRC32 ()
	constructor
	~OFCRC32 ()
	destructor
void	reset ()
	reset object to initial state (zero CRC)
void	addBlock (const void *ptr, unsigned long size)
	add block of raw data to CRC More...
unsigned int	getCRC32 () const
	returns the current CRC as unsigned int

Static Public Member Functions
static unsigned int	compute (const void *ptr, unsigned long size)
	compute CRC for given block of data using a temporary CRC object More...

Private Attributes
unsigned int	value
	current CRC

Static Private Attributes
static const unsigned int	crctab [256]
	CRC look-up table.

Detailed Description

general-purpose 32-bit CRC algorithm.

Member Function Documentation

void OFCRC32::addBlock	(	const void *	ptr,
		unsigned long	size
	)

add block of raw data to CRC

Parameters

ptr	pointer to raw data
size	length of raw data block in bytes

static unsigned int OFCRC32::compute ( const void *  ptr, unsigned long  size  )

static

compute CRC for given block of data using a temporary CRC object

Parameters

ptr	pointer to raw data
size	length of raw data block in bytes

Returns

CRC32 as unsigned int

---

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

• ofstd/include/dcmtk/ofstd/ofcrc32.h