bitmask.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <helpers/bitmask.h>

Go to the source code of this file.

Macros
#define	bitsperlong   (8 * sizeof(unsigned long))
#define	howmany(x, y)   (((x)+((y)-1))/(y))
#define	longsperbits(n)   howmany(n, bitsperlong)
#define	max(a, b)   ((a) > (b) ? (a) : (b))

Functions
struct bitmask *	bitmask_alloc (unsigned int n)
void	bitmask_free (struct bitmask *bmp)
struct bitmask *	bitmask_setbit (struct bitmask *bmp, unsigned int i)
struct bitmask *	bitmask_setall (struct bitmask *bmp)
struct bitmask *	bitmask_clearall (struct bitmask *bmp)
int	bitmask_isallclear (const struct bitmask *bmp)
int	bitmask_isbitset (const struct bitmask *bmp, unsigned int i)
unsigned int	bitmask_first (const struct bitmask *bmp)
unsigned int	bitmask_last (const struct bitmask *bmp)
unsigned int	bitmask_next (const struct bitmask *bmp, unsigned int i)
int	bitmask_parselist (const char *buf, struct bitmask *bmp)
int	bitmask_displaylist (char *buf, int buflen, const struct bitmask *bmp)

Macro Definition Documentation

#define bitsperlong   (8 * sizeof(unsigned long))

Definition at line 8 of file bitmask.c.

#define howmany	(		x,
			y
	)		(((x)+((y)-1))/(y))

Definition at line 11 of file bitmask.c.

#define longsperbits

(

n

)

howmany(n, bitsperlong)

Definition at line 14 of file bitmask.c.

#define max	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Definition at line 16 of file bitmask.c.

Function Documentation

struct bitmask* bitmask_alloc ( unsigned int  n )

read

Definition at line 23 of file bitmask.c.

struct bitmask* bitmask_clearall ( struct bitmask *  bmp )

read

Definition at line 130 of file bitmask.c.

int bitmask_displaylist	(	char *	buf,
		int	buflen,
		const struct bitmask *	bmp
	)

Definition at line 274 of file bitmask.c.

unsigned int bitmask_first

(

const struct bitmask *

bmp

)

Definition at line 155 of file bitmask.c.

void bitmask_free

(

struct bitmask *

bmp

)

Definition at line 40 of file bitmask.c.

int bitmask_isallclear

(

const struct bitmask *

bmp

)

Definition at line 139 of file bitmask.c.

int bitmask_isbitset	(	const struct bitmask *	bmp,
		unsigned int	i
	)

Definition at line 149 of file bitmask.c.

unsigned int bitmask_last

(

const struct bitmask *

bmp

)

Definition at line 161 of file bitmask.c.

unsigned int bitmask_next	(	const struct bitmask *	bmp,
		unsigned int	i
	)

Definition at line 172 of file bitmask.c.

int bitmask_parselist	(	const char *	buf,
		struct bitmask *	bmp
	)

Definition at line 191 of file bitmask.c.

struct bitmask* bitmask_setall ( struct bitmask *  bmp )

read

Definition at line 121 of file bitmask.c.

struct bitmask* bitmask_setbit ( struct bitmask *  bmp, unsigned int  i  )

read

Definition at line 114 of file bitmask.c.