#include "zutil.h"
#include "crc32.h"

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Macros
#define	TBLS 1

#define	DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)

#define	DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1

#define	GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */

Functions
local unsigned long gf2_matrix_times	OF ((unsigned long *mat, unsigned long vec))

local void gf2_matrix_square	OF ((unsigned long square, unsigned long mat))

local uLong crc32_combine_	OF ((uLong crc1, uLong crc2, z_off64_t len2))

const z_crc_t FAR *ZEXPORT	get_crc_table ()

unsigned long ZEXPORT	crc32_z (unsigned long crc, const unsigned char FAR *buf, z_size_t len)

unsigned long ZEXPORT	crc32 (unsigned long crc, const unsigned char FAR *buf, uInt len)

local unsigned long	gf2_matrix_times (unsigned long *mat, unsigned long vec)

local void	gf2_matrix_square (unsigned long square, unsigned long mat)

local uLong	crc32_combine_ (uLong crc1, uLong crc2, z_off64_t len2)

uLong ZEXPORT	crc32_combine (uLong crc1, uLong crc2, z_off_t len2)

uLong ZEXPORT	crc32_combine64 (uLong crc1, uLong crc2, z_off64_t len2)

Macro Definition Documentation

#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)

Definition at line 197 of file crc32.c.

View newest version in sPHENIX GitHub at line 197 of file crc32.c

Referenced by crc32_z().

#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1

Definition at line 198 of file crc32.c.

View newest version in sPHENIX GitHub at line 198 of file crc32.c

Referenced by crc32_z().

#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */

Definition at line 340 of file crc32.c.

View newest version in sPHENIX GitHub at line 340 of file crc32.c

Referenced by crc32_combine_(), and gf2_matrix_square().

#define TBLS 1

Definition at line 43 of file crc32.c.

View newest version in sPHENIX GitHub at line 43 of file crc32.c

Function Documentation

unsigned long ZEXPORT crc32	(	unsigned long	crc,
		const unsigned char FAR *	buf,
		uInt	len
	)

Definition at line 236 of file crc32.c.

View newest version in sPHENIX GitHub at line 236 of file crc32.c

References crc32_z().

Referenced by deflate(), deflateResetKeep(), inflate(), and read_buf().

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uLong ZEXPORT crc32_combine	(	uLong	crc1,
		uLong	crc2,
		z_off_t	len2
	)

Definition at line 427 of file crc32.c.

View newest version in sPHENIX GitHub at line 427 of file crc32.c

References crc32_combine_().

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uLong ZEXPORT crc32_combine64	(	uLong	crc1,
		uLong	crc2,
		z_off64_t	len2
	)

Definition at line 435 of file crc32.c.

View newest version in sPHENIX GitHub at line 435 of file crc32.c

References crc32_combine_().

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local uLong crc32_combine_	(	uLong	crc1,
		uLong	crc2,
		z_off64_t	len2
	)

Definition at line 371 of file crc32.c.

View newest version in sPHENIX GitHub at line 371 of file crc32.c

References GF2_DIM, gf2_matrix_square(), gf2_matrix_times(), and n.

Referenced by crc32_combine(), and crc32_combine64().

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unsigned long ZEXPORT crc32_z	(	unsigned long	crc,
		const unsigned char FAR *	buf,
		z_size_t	len
	)

Definition at line 201 of file crc32.c.

View newest version in sPHENIX GitHub at line 201 of file crc32.c

References DO1, DO8, and Z_NULL.

Referenced by crc32().

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const z_crc_t FAR* ZEXPORT get_crc_table ( )

Definition at line 187 of file crc32.c.

View newest version in sPHENIX GitHub at line 187 of file crc32.c

References crc_table.

local void gf2_matrix_square	(	unsigned long *	square,
		unsigned long *	mat
	)

Definition at line 360 of file crc32.c.

View newest version in sPHENIX GitHub at line 360 of file crc32.c

References GF2_DIM, gf2_matrix_times(), and n.

Referenced by crc32_combine_().

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local unsigned long gf2_matrix_times	(	unsigned long *	mat,
		unsigned long	vec
	)

Definition at line 343 of file crc32.c.

View newest version in sPHENIX GitHub at line 343 of file crc32.c

References mat, and sum.

Referenced by crc32_combine_(), and gf2_matrix_square().

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local unsigned long gf2_matrix_times OF ( (unsigned long *mat, unsigned long vec) )

local void gf2_matrix_square OF ( (unsigned long *square, unsigned long *mat) )

local uLong crc32_combine_ OF ( (uLong crc1, uLong crc2, z_off64_t len2) )

Macros

Functions

Macro Definition Documentation

Function Documentation