QDPUtil Namespace Reference

Typedefs
typedef n_uint32_t	uLong
typedef unsigned char	Byte
typedef uLong	uLongf
typedef unsigned short int	n_uint16_t
	See qdp_crc32.cc for defs and discussion.
typedef unsigned int	n_uint32_t

Functions
bool	big_endian ()
	Is the native byte order big endian?
void	byte_swap (void *ptr, size_t size, size_t nmemb)
	Byte-swap an array of data each of size nmemb.
size_t	bfread (void *ptr, size_t size, size_t nmemb, FILE *stream)
	fread on a binary file written in big-endian order
size_t	bfwrite (void *ptr, size_t size, size_t nmemb, FILE *stream)
	fwrite to a binary file in big-endian order
static uLongf *	get_crc_table ()
n_uint32_t	crc32 (n_uint32_t crc, const unsigned char *buf, size_t len)
	crc32
n_uint32_t	crc32 (n_uint32_t crc, const char *buf, size_t len)
	crc32

Variables
local uLongf	crc_table [256]

Typedef Documentation

Byte

typedef unsigned char QDPUtil::Byte

Definition at line 47 of file qdp_crc32.cc.

n_uint16_t

typedef unsigned short int QDPUtil::n_uint16_t

See qdp_crc32.cc for defs and discussion.

Definition at line 19 of file qdp_byteorder.h.

n_uint32_t

typedef unsigned int QDPUtil::n_uint32_t

Definition at line 20 of file qdp_byteorder.h.

uLong

typedef n_uint32_t QDPUtil::uLong

Definition at line 46 of file qdp_crc32.cc.

uLongf

typedef uLong QDPUtil::uLongf

Definition at line 48 of file qdp_crc32.cc.

Function Documentation

bfread()

size_t QDPUtil::bfread	(	void *	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *	stream )

fread on a binary file written in big-endian order

Definition at line 174 of file qdp_byteorder.cc.

References big_endian(), and byte_swap().

bfwrite()

size_t QDPUtil::bfwrite	(	void *	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *	stream )

fwrite to a binary file in big-endian order

Definition at line 192 of file qdp_byteorder.cc.

References big_endian(), and byte_swap().

big_endian()

bool QDPUtil::big_endian

(

)

Is the native byte order big endian?

Definition at line 17 of file qdp_byteorder.cc.

Referenced by bfread(), bfwrite(), QDP::BinaryReader::readArrayLittleEndian(), QDP::BinaryReader::readArrayPrimaryNode(), QDP::BinaryReader::readArrayPrimaryNodeLittleEndian(), and QDP::BinaryWriter::writeArrayPrimaryNode().

byte_swap()

void QDPUtil::byte_swap	(	void *	ptr,
		size_t	size,
		size_t	nmemb )

Byte-swap an array of data each of size nmemb.

Definition at line 29 of file qdp_byteorder.cc.

Referenced by bfread(), bfwrite(), QDP::BinaryReader::readArrayLittleEndian(), QDP::BinaryReader::readArrayPrimaryNode(), QDP::BinaryReader::readArrayPrimaryNodeLittleEndian(), and QDP::BinaryWriter::writeArrayPrimaryNode().

crc32() [1/2]

n_uint32_t QDPUtil::crc32	(	n_uint32_t	crc,
		const char *	buf,
		size_t	len )

crc32

Definition at line 208 of file qdp_crc32.cc.

References crc32().

crc32() [2/2]

n_uint32_t QDPUtil::crc32	(	n_uint32_t	crc,
		const unsigned char *	buf,
		size_t	len )

crc32

Definition at line 184 of file qdp_crc32.cc.

References DO1, DO8, and Z_NULL.

Referenced by crc32(), QDP::BinaryReader::read(), QDP::BinaryReader::readArrayPrimaryNode(), and QDP::BinaryWriter::writeArrayPrimaryNode().

get_crc_table()

uLongf * QDPUtil::get_crc_table ( )

static

Definition at line 169 of file qdp_crc32.cc.

References crc_table.

Variable Documentation

crc_table

local uLongf QDPUtil::crc_table[256]

Definition at line 110 of file qdp_crc32.cc.

Referenced by get_crc_table().