external/bsd/bind/dist/lib/dns/rdata/generic/opt_41.h

   1 /*      $NetBSD: opt_41.h,v 1.4 2014/12/10 04:37:59 christos Exp $      */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1998-2001  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 #ifndef GENERIC_OPT_41_H
  21 #define GENERIC_OPT_41_H 1
  22
  23 /* Id: opt_41.h,v 1.18 2007/06/19 23:47:17 tbox Exp  */
  24
  25 /*!
  26  *  \brief Per RFC2671 */
  27
  28 typedef struct dns_rdata_opt_opcode {
  29                 isc_uint16_t    opcode;
  30                 isc_uint16_t    length;
  31                 unsigned char   *data;
  32 } dns_rdata_opt_opcode_t;
  33
  34 typedef struct dns_rdata_opt {
  35         dns_rdatacommon_t       common;
  36         isc_mem_t               *mctx;
  37         unsigned char           *options;
  38         isc_uint16_t            length;
  39         /* private */
  40         isc_uint16_t            offset;
  41 } dns_rdata_opt_t;
  42
  43 /*
  44  * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
  45  * via rdatastructpre.h and rdatastructsuf.h.
  46  */
  47
  48 isc_result_t
  49 dns_rdata_opt_first(dns_rdata_opt_t *);
  50
  51 isc_result_t
  52 dns_rdata_opt_next(dns_rdata_opt_t *);
  53
  54 isc_result_t
  55 dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *);
  56
  57 #endif /* GENERIC_OPT_41_H */