qdp_crc32.cc File Reference

#include <cstdlib>
#include "qdp_byteorder.h"

Go to the source code of this file.

Namespaces
namespace	QDPUtil

Macros
#define	Z_NULL   0 /* for initializing zalloc, zfree, opaque */
#define	local   static
#define	DO1(buf)
#define	DO2(buf)
#define	DO4(buf)
#define	DO8(buf)

Typedefs
typedef n_uint32_t	QDPUtil::uLong
typedef unsigned char	QDPUtil::Byte
typedef uLong	QDPUtil::uLongf

Functions
static uLongf *	QDPUtil::get_crc_table ()
n_uint32_t	QDPUtil::crc32 (n_uint32_t crc, const unsigned char *buf, size_t len)
	crc32
n_uint32_t	QDPUtil::crc32 (n_uint32_t crc, const char *buf, size_t len)
	crc32

Variables
local uLongf	QDPUtil::crc_table [256]

Macro Definition Documentation

DO1

#define DO1

(

buf

)

Value:

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

Definition at line 178 of file qdp_crc32.cc.

Referenced by QDPUtil::crc32().

DO2

#define DO2

(

buf

)

Value:

DO1(buf); DO1(buf);

Definition at line 179 of file qdp_crc32.cc.

DO4

#define DO4

(

buf

)

Value:

DO2(buf); DO2(buf);

Definition at line 180 of file qdp_crc32.cc.

DO8

#define DO8

(

buf

)

Value:

DO4(buf); DO4(buf);

Definition at line 181 of file qdp_crc32.cc.

Referenced by QDPUtil::crc32().

local

#define local   static

Definition at line 51 of file qdp_crc32.cc.

Referenced by QDP::get_global(), and QDP::get_global().

Z_NULL

#define Z_NULL   0 /* for initializing zalloc, zfree, opaque */

Definition at line 49 of file qdp_crc32.cc.

Referenced by QDPUtil::crc32().