inc/crc32.h File Reference

Header - Crc32 checksum. More...

#include <stdint.h>
#include <stdlib.h>

Go to the source code of this file.

Defines
#define	CRC32_POLYNOMINAL   0x04c11db7
	traditional polynomial value
#define	crc32_init()   crc32_init_seed(CRC32_POLYNOMINAL);
	initialize crc32 compute table with default seed
Functions
void	crc32_init_seed (const uint32_t polynominal)
	initialize crc32 compute table
uint32_t	crc32 (const char *data, const size_t size)
	compute an array crc32 checksum
uint32_t	crc32_file (const char *path)
	compute a file crc32 checksum
uint32_t	strcrc32 (const char *data)
	compute a string crc32 checksum

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Detailed Description

Header - Crc32 checksum.

Author:

Julien Blitte

Version:

0.1

Definition in file crc32.h.

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Function Documentation

uint32_t crc32	(	const char *	data,
		const size_t	size
	)			[inline]

compute an array crc32 checksum

Parameters:

	data	data source
	size	size of source

Returns:

data checksum

Definition at line 79 of file crc32.c.

Referenced by db5_index_index_column().

uint32_t crc32_file

(

const char *

path

)

compute a file crc32 checksum

Parameters:

path

file source - utf8

Returns:

file checksum

Definition at line 100 of file crc32.c.

References CRC_BUFFER_SIZE.

void crc32_init_seed

(

const uint32_t

polynominal

)

initialize crc32 compute table

Parameters:

polynominal

seed

Definition at line 60 of file crc32.c.

uint32_t strcrc32

(

const char *

data

)

compute a string crc32 checksum

Parameters:

data

string source

Returns:

string checksum

Definition at line 84 of file crc32.c.

Referenced by names_generate_shortname(), and names_insert().