/*
 * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 2000, 2001  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: bit.h,v 1.14 2007/06/19 23:47:16 tbox Exp $ */

#ifndef DNS_BIT_H
#define DNS_BIT_H 1

/*! \file dns/bit.h */

#include <isc/int.h>
#include <isc/boolean.h>

typedef isc_uint64_t dns_bitset_t;

#define DNS_BIT_SET(bit, bitset) \
     (*(bitset) |= ((dns_bitset_t)1 << (bit)))
#define DNS_BIT_CLEAR(bit, bitset) \
     (*(bitset) &= ~((dns_bitset_t)1 << (bit)))
#define DNS_BIT_CHECK(bit, bitset) \
     ISC_TF((*(bitset) & ((dns_bitset_t)1 << (bit))) \
	    == ((dns_bitset_t)1 << (bit)))

#endif /* DNS_BIT_H */