2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and 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.
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.
18 /* $Id: bit.h,v 1.8.18.2 2005/04/29 00:16:09 marka Exp $ */
26 #include <isc/boolean.h>
28 typedef isc_uint64_t dns_bitset_t;
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)))
38 #endif /* DNS_BIT_H */