bind9/lib/dns/include/dns/bit.h
2000-06-22 22:00:42 +00:00

37 lines
1.3 KiB
C

/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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 1.4 2000/06/22 21:55:09 tale Exp $ */
#ifndef DNS_BIT_H
#define DNS_BIT_H 1
#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 */