1/* 2 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000, 2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: bit.h,v 1.14 2007/06/19 23:47:16 tbox Exp $ */ 19 20#ifndef DNS_BIT_H 21#define DNS_BIT_H 1 22 23/*! \file dns/bit.h */ 24 25#include <isc/int.h> 26#include <isc/boolean.h> 27 28typedef isc_uint64_t dns_bitset_t; 29 30#define DNS_BIT_SET(bit, bitset) \ 31 (*(bitset) |= ((dns_bitset_t)1 << (bit))) 32#define DNS_BIT_CLEAR(bit, bitset) \ 33 (*(bitset) &= ~((dns_bitset_t)1 << (bit))) 34#define DNS_BIT_CHECK(bit, bitset) \ 35 ISC_TF((*(bitset) & ((dns_bitset_t)1 << (bit))) \ 36 == ((dns_bitset_t)1 << (bit))) 37 38#endif /* DNS_BIT_H */ 39 40