bitmap.h File Reference

Defines common bitmap operations, specially for large types. More...

#include <inttypes.h>
#include <stdbool.h>

Go to the source code of this file.

Data Structures
struct	bitmap128_t

Typedefs
typedef uint32_t	bitmap32_t
typedef uint64_t	bitmap64_t

Functions
static void	bitmap128_clean (bitmap128_t *bitmap)
	Set bitmap to 0. More...
static void	bitmap128_set_all (bitmap128_t *bitmap)
	Set bitmap to 1. More...
static bool	bitmap128_is_bit_set (const bitmap128_t *bitmap, unsigned int pos)
	Check if bit is set in the 128bit bitmap. More...
static void	bitmap128_set (bitmap128_t *bitmap, unsigned int pos)
	Set a bit in the 128bit bitmap. More...
static void	bitmap128_unset (bitmap128_t *bitmap, unsigned int pos)
	Unset(zero) a bit in the 128bit bitmap. More...
static bool	bitmap128_is_empty (bitmap128_t *bitmap)
	Is bitmap empty. More...
static bitmap128_t	bitmap128_and (bitmap128_t *bitmap1, bitmap128_t *bitmap2)
	Make a logical and over to bitmaps. More...
static bool	bitmap128_check_mask (bitmap128_t *bitmap, bitmap128_t *mask)
	Check whether a bitmap is within a certain mask (bitmap&mask == bitmap) More...

Detailed Description

Defines common bitmap operations, specially for large types.

Author

Marc Sune<marc.sune (at) bisdn.de>

Definition in file bitmap.h.

Function Documentation

static bitmap128_t bitmap128_and ( bitmap128_t *  bitmap1, bitmap128_t *  bitmap2  )

inlinestatic

Make a logical and over to bitmaps.

Definition at line 86 of file bitmap.h.

static bool bitmap128_check_mask ( bitmap128_t *  bitmap, bitmap128_t *  mask  )

inlinestatic

Check whether a bitmap is within a certain mask (bitmap&mask == bitmap)

Definition at line 99 of file bitmap.h.

static void bitmap128_clean ( bitmap128_t *  bitmap )

inlinestatic

Set bitmap to 0.

Definition at line 29 of file bitmap.h.

static bool bitmap128_is_bit_set ( const bitmap128_t *  bitmap, unsigned int  pos  )

inlinestatic

Check if bit is set in the 128bit bitmap.

Definition at line 45 of file bitmap.h.

static bool bitmap128_is_empty ( bitmap128_t *  bitmap )

inlinestatic

Is bitmap empty.

Definition at line 75 of file bitmap.h.

static void bitmap128_set ( bitmap128_t *  bitmap, unsigned int  pos  )

inlinestatic

Set a bit in the 128bit bitmap.

Definition at line 55 of file bitmap.h.

static void bitmap128_set_all ( bitmap128_t *  bitmap )

inlinestatic

Set bitmap to 1.

Definition at line 37 of file bitmap.h.

static void bitmap128_unset ( bitmap128_t *  bitmap, unsigned int  pos  )

inlinestatic

Unset(zero) a bit in the 128bit bitmap.

Definition at line 65 of file bitmap.h.