[thirdparty/systemd.git] / src / shared / bitmap.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

#include <stdbool.h>

#include "hashmap.h"
#include "macro.h"

typedef struct Bitmap Bitmap;

Bitmap *bitmap_new(void);
Bitmap *bitmap_copy(Bitmap *b);
int bitmap_ensure_allocated(Bitmap **b);
void bitmap_free(Bitmap *b);

int bitmap_set(Bitmap *b, unsigned n);
void bitmap_unset(Bitmap *b, unsigned n);
bool bitmap_isset(Bitmap *b, unsigned n);
bool bitmap_isclear(Bitmap *b);
void bitmap_clear(Bitmap *b);

bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n);

bool bitmap_equal(Bitmap *a, Bitmap *b);

#define BITMAP_FOREACH(n, b, i) \
        for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )

DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);

#define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
5ffa42cb TG	2	#pragma once
5ffa42cb TG	3
11c3a366 TA	4	#include <stdbool.h>
11c3a366 TA	5
cb57dd41	6	#include "hashmap.h"
71d35b6b	7	#include "macro.h"
5ffa42cb TG	8
	9	typedef struct Bitmap Bitmap;
	10
	11	Bitmap *bitmap_new(void);
17c8de63	12	Bitmap bitmap_copy(Bitmap b);
5ffa42cb	13	int bitmap_ensure_allocated(Bitmap **b);
17c8de63	14	void bitmap_free(Bitmap *b);
5ffa42cb TG	15
	16	int bitmap_set(Bitmap *b, unsigned n);
	17	void bitmap_unset(Bitmap *b, unsigned n);
	18	bool bitmap_isset(Bitmap *b, unsigned n);
	19	bool bitmap_isclear(Bitmap *b);
	20	void bitmap_clear(Bitmap *b);
	21
cb57dd41	22	bool bitmap_iterate(Bitmap b, Iterator i, unsigned *n);
5ffa42cb TG	23
	24	bool bitmap_equal(Bitmap a, Bitmap b);
	25
cb57dd41 TG	26	#define BITMAP_FOREACH(n, b, i) \
cb57dd41 TG	27	for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )
5ffa42cb TG	28
	29	DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);
	30
	31	#define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)