checksum.cxx File Reference

#include <sal/types.h>
#include <vcl/checksum.hxx>

Include dependency graph for checksum.cxx:

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Macros
#define	UPDCRC64(crc, octet)    (vcl_crc64Table[((crc) ^ (octet)) & 0xff] ^ ((crc) >> 8))

Functions
sal_uInt64	vcl_crc64 (sal_uInt64 Crc, const void *Data, sal_uInt32 DatLen) SAL_THROW_EXTERN_C()
	Evaluate CRC64 over given data. More...
const sal_uInt64 *	vcl_get_crc64_table ()

Variables
const sal_uInt64	vcl_crc64Table [256]

Macro Definition Documentation

UPDCRC64

#define UPDCRC64	(		crc,
			octet
	)		(vcl_crc64Table[((crc) ^ (octet)) & 0xff] ^ ((crc) >> 8))

Definition at line 123 of file checksum.cxx.

Function Documentation

vcl_crc64()

sal_uInt64 vcl_crc64	(	sal_uInt64	Crc,
		const void *	Data,
		sal_uInt32	DatLen
	)

Evaluate CRC64 over given data.

This function evaluates the CRC polynomial 0xEDB88320.

Parameters

Crc	[in] CRC64 over previous data or zero.
Data	[in] data buffer.
DatLen	[in] data buffer length.

Returns

new CRC64 value.

Definition at line 129 of file checksum.cxx.

References Data, p, SAL_THROW_EXTERN_C, and UPDCRC64.

Referenced by vcl_get_checksum().

vcl_get_crc64_table()

const sal_uInt64 * vcl_get_crc64_table

(

)

Definition at line 149 of file checksum.cxx.

References vcl_crc64Table.

Variable Documentation

vcl_crc64Table

const sal_uInt64 vcl_crc64Table[256]

Definition at line 29 of file checksum.cxx.

Referenced by vcl_get_crc64_table().