1 /* $NetBSD: bit.h,v 1.4 2014/12/10 04:37:58 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000, 2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: bit.h,v 1.14 2007/06/19 23:47:16 tbox Exp */ 21 22 #ifndef DNS_BIT_H 23 #define DNS_BIT_H 1 24 25 /*! \file dns/bit.h */ 26 27 #include <isc/int.h> 28 #include <isc/boolean.h> 29 30 typedef isc_uint64_t dns_bitset_t; 31 32 #define DNS_BIT_SET(bit, bitset) \ 33 (*(bitset) |= ((dns_bitset_t)1 << (bit))) 34 #define DNS_BIT_CLEAR(bit, bitset) \ 35 (*(bitset) &= ~((dns_bitset_t)1 << (bit))) 36 #define DNS_BIT_CHECK(bit, bitset) \ 37 ISC_TF((*(bitset) & ((dns_bitset_t)1 << (bit))) \ 38 == ((dns_bitset_t)1 << (bit))) 39 40 #endif /* DNS_BIT_H */ 41 42