Utility Functions

Collaboration diagram for Utility Functions:

Functions
template<typename T >
ushort	fairport::disk::compute_signature (T id, T address)
	Calculate the signature of an item.
template<typename T >
ushort	fairport::disk::compute_signature (const block_reference< T > &reference)
	Calculate the signature of an item.
ulong	fairport::disk::compute_crc (const void *pdata, ulong cb)
	Compute the CRC of a block of data.
Variables
const ulong	fairport::disk::crc_table []
	Precalulated CRC table, used by compute_crc.
const byte	fairport::disk::table1 []
	Data table1 used by permute and cyclic.
const byte	fairport::disk::table2 []
	Data table2 used by permute and cyclic.
const byte	fairport::disk::table3 []
	Data table3 used by permute and cyclic.

---

Function Documentation

fairport::ulong fairport::disk::compute_crc	(	const void *	pdata,
		ulong	cb
	)		[inline]

Compute the CRC of a block of data.

Parameters:

[in]	pdata	A pointer to the block of data
[in]	cb	The size of the data block

Returns:

The computed CRC

See also:

[MS-PST] 5.3

Definition at line 1636 of file disk.h.

template<typename T >

fairport::ushort fairport::disk::compute_signature	(	T	id,
		T	address
	)		[inline]

Calculate the signature of an item.

Template Parameters:

T	ulonglong for a unicode store, ulong for an ANSI store

Parameters:

[in]	id	The id of the item to calculate
[in]	address	The location on disk of the item

Returns:

The computed signature

See also:

[MS-PST] 5.5

Definition at line 1629 of file disk.h.

template<typename T >

ushort fairport::disk::compute_signature

(

const block_reference< T > &

reference

)

Calculate the signature of an item.

Template Parameters:

T	ulonglong for a unicode store, ulong for an ANSI store

Parameters:

[in]

reference

A block_reference to the item

Returns:

The computed signature

See also:

[MS-PST] 5.5

Definition at line 481 of file disk.h.

---

Variable Documentation

const ulong fairport::disk::crc_table[]

Precalulated CRC table, used by compute_crc.

Definition at line 301 of file disk.h.

const byte fairport::disk::table1[]

Data table1 used by permute and cyclic.

See also:

[MS-PST] 5.1/mpbbR

Definition at line 350 of file disk.h.

const byte fairport::disk::table2[]

Data table2 used by permute and cyclic.

See also:

[MS-PST] 5.1/mpbbS

Definition at line 389 of file disk.h.

const byte fairport::disk::table3[]

Data table3 used by permute and cyclic.

See also:

[MS-PST] 5.1/mpbbI

Definition at line 428 of file disk.h.