1/*	$NetBSD: bit.h,v 1.7 2024/02/21 22:52:09 christos Exp $	*/
2
3/*
4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5 *
6 * SPDX-License-Identifier: MPL-2.0
7 *
8 * This Source Code Form is subject to the terms of the Mozilla Public
9 * License, v. 2.0. If a copy of the MPL was not distributed with this
10 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11 *
12 * See the COPYRIGHT file distributed with this work for additional
13 * information regarding copyright ownership.
14 */
15
16#pragma once
17
18/*! \file dns/bit.h */
19
20#include <inttypes.h>
21
22typedef uint64_t dns_bitset_t;
23
24#define DNS_BIT_SET(bit, bitset)   (*(bitset) |= ((dns_bitset_t)1 << (bit)))
25#define DNS_BIT_CLEAR(bit, bitset) (*(bitset) &= ~((dns_bitset_t)1 << (bit)))
26#define DNS_BIT_CHECK(bit, bitset) \
27	((*(bitset) & ((dns_bitset_t)1 << (bit))) == ((dns_bitset_t)1 << (bit)))
28