text: /*
   * Copyright (C) 2004, 2005  Internet Systems Consortium, Inc. ("ISC")
   * Copyright (C) 2000, 2001  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 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.
   */
  
  /* $ISC: bit.h,v 1.8.18.2 2005/04/29 00:16:09 marka Exp $ */
  
  #ifndef DNS_BIT_H
  #define DNS_BIT_H 1
  
  /*! \file */
  
  #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 */
  
  