bitmap7 Class Reference

#include <bitmap7.h>

Public Member Functions
void *	operator new (size_t size, int recable=0) TRANSACTION_OPTIONAL
void	operator delete (void *ptr) TRANSACTION_OPTIONAL
	bitmap7 (int inputmapsize=0, int recable=0)
	~bitmap7 ()
void	Resize (int newsize) TRANSACTION_OPTIONAL
void	Grow (int newsize)
int	GetFreeIndex () TRANSACTION_OPTIONAL
void	FreeIndex (int index)
void	FreeRange (int start, int len)
void	SetIndex (int index) TRANSACTION_OPTIONAL
void	SetRange (int start, int len)
void	CopyRange (int start, int len, bitmap7 &b) TRANSACTION_OPTIONAL
int	Value (int index)
int	Count ()
int	Size ()
void	purge () TRANSACTION_OPTIONAL
void	operator= (bitmap7 &b) TRANSACTION_OPTIONAL
int	operator!= (bitmap7 &b)
void	print ()
void	print (FILE *fp)
void	print (int fd)

Constructor & Destructor Documentation

bitmap7()

bitmap7::bitmap7	(	int	inputmapsize = 0,
		int	recable = 0
	)

Constructor

Parameters

inputmapsize	size of the bitmap being created
recable	recoverable flag (RVM persistent)

~bitmap7()

bitmap7::~bitmap7

(

)

Destructor

Member Function Documentation

CopyRange()

void bitmap7::CopyRange	(	int	start,
		int	len,
		bitmap7 &	b
	)

Copy a range from one bitmap to another

Parameters

start	start of the range
len	length of the range
b	output bitmap

Count()

int bitmap7::Count

(

)

Count the number of 1's in the bitmap

Returns

number of bits set to 1

FreeIndex()

void bitmap7::FreeIndex

(

int

index

)

Unset the bit at a particular index

Parameters

index

index of the bit to be unset

FreeRange()

void bitmap7::FreeRange	(	int	start,
		int	len
	)

Unset all the bits at a particular range

Parameters

start	start of the range
len	length of the range

GetFreeIndex()

int bitmap7::GetFreeIndex

(

)

Get an index that is not in use and mark it

Returns

index obtained

Grow()

void bitmap7::Grow

(

int

newsize

)

Grow the bitmap to a new size

Parameters

newsize

bitmap's new size

operator delete()

void bitmap7::operator delete

(

void *

ptr

)

Delete operator overloading

Parameters

ptr	Pointer of the object to be deleted

operator new()

void * bitmap7::operator new	(	size_t	size,
		int	recable = 0
	)

New operator overloading

Parameters

size	memory size in bytes
recable	recoverable flag (RVM persistent)

Returns

pointer to the new allocated object

operator!=()

int bitmap7::operator!=

(

bitmap7 &

b

)

Test for inequality

Parameters

b	input bitmap

Returns

0 if both bitmaps are unequal and 1 otherwise

operator=()

void bitmap7::operator=

(

bitmap7 &

b

)

Deep copy the entire bitmap

Parameters

b	input bitmap

print() [1/3]

void bitmap7::print

(

void

)

Print the bitmap's content to stderr

print() [2/3]

void bitmap7::print

(

FILE *

fp

)

Print the bitmap's content to a file

Parameters

fp	pointer to the file struct of the file to be written to

print() [3/3]

void bitmap7::print

(

int

fd

)

Print the bitmap's content to a file given a file descriptor

Parameters

fd	file descriptor of the file to be written to

purge()

void bitmap7::purge

(

)

Delete the map

Resize()

void bitmap7::Resize

(

int

newsize

)

Resize the bitmap to a new size

Parameters

newsize

bitmap's new size

SetIndex()

void bitmap7::SetIndex

(

int

index

)

Set the bit at a particular index

Parameters

index

index of the bit to be set

SetRange()

void bitmap7::SetRange	(	int	start,
		int	len
	)

Set all the bits at a particular range

Parameters

start	start of the range
len	length of the range

Size()

int bitmap7::Size

(

)

Obtain the size of the bitmap

Returns

size of the bitmap

Value()

int bitmap7::Value

(

int

index

)

Get the bit's value at a particular index

Parameters

index

index of the bit to be read

Returns

bit's value

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The documentation for this class was generated from the following files:

• coda-src/util/bitmap7.h
• coda-src/util/bitmap7.cc