1 /* 2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 3 * 4 * SPDX-License-Identifier: MPL-2.0 5 * 6 * This Source Code Form is subject to the terms of the Mozilla Public 7 * License, v. 2.0. If a copy of the MPL was not distributed with this 8 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 9 * 10 * See the COPYRIGHT file distributed with this work for additional 11 * information regarding copyright ownership. 12 */ 13 14 #ifndef DNS_BIT_H 15 #define DNS_BIT_H 1 16 17 /*! \file dns/bit.h */ 18 19 #include <inttypes.h> 20 21 typedef uint64_t dns_bitset_t; 22 23 #define DNS_BIT_SET(bit, bitset) (*(bitset) |= ((dns_bitset_t)1 << (bit))) 24 #define DNS_BIT_CLEAR(bit, bitset) (*(bitset) &= ~((dns_bitset_t)1 << (bit))) 25 #define DNS_BIT_CHECK(bit, bitset) \ 26 ((*(bitset) & ((dns_bitset_t)1 << (bit))) == ((dns_bitset_t)1 << (bit))) 27 28 #endif /* DNS_BIT_H */ 29