/*

 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")

 *

 * SPDX-License-Identifier: MPL-2.0

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, you can obtain one at https://mozilla.org/MPL/2.0/.

 *

 * See the COPYRIGHT file distributed with this work for additional

 * information regarding copyright ownership.

 */

#ifndef RDATA_GENERIC_NULL_10_C

#define RDATA_GENERIC_NULL_10_C

#define RRTYPE_NULL_ATTRIBUTES (0)

static isc_result_t

fromtext_null(ARGS_FROMTEXT) {

  REQUIRE(type == dns_rdatatype_null);

  UNUSED(rdclass);

  UNUSED(type);

  UNUSED(lexer);

  UNUSED(origin);

  UNUSED(options);

  UNUSED(target);

  UNUSED(callbacks);

  return DNS_R_SYNTAX;

}

static isc_result_t

totext_null(ARGS_TOTEXT) {

  REQUIRE(rdata->type == dns_rdatatype_null);

  return unknown_totext(rdata, tctx, target);

}

static isc_result_t

fromwire_null(ARGS_FROMWIRE) {

  isc_region_t sr;

  REQUIRE(type == dns_rdatatype_null);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(dctx);

  isc_buffer_activeregion(source, &sr);

  isc_buffer_forward(source, sr.length);

  return mem_tobuffer(target, sr.base, sr.length);

}

static isc_result_t

towire_null(ARGS_TOWIRE) {

  REQUIRE(rdata->type == dns_rdatatype_null);

  UNUSED(cctx);

  return mem_tobuffer(target, rdata->data, rdata->length);

}

static int

compare_null(ARGS_COMPARE) {

  isc_region_t r1;

  isc_region_t r2;

  REQUIRE(rdata1->type == rdata2->type);

  REQUIRE(rdata1->rdclass == rdata2->rdclass);

  REQUIRE(rdata1->type == dns_rdatatype_null);

  dns_rdata_toregion(rdata1, &r1);

  dns_rdata_toregion(rdata2, &r2);

  return isc_region_compare(&r1, &r2);

}

static isc_result_t

fromstruct_null(ARGS_FROMSTRUCT) {

  dns_rdata_null_t *null = source;

  REQUIRE(type == dns_rdatatype_null);

  REQUIRE(null != NULL);

  REQUIRE(null->common.rdtype == type);

  REQUIRE(null->common.rdclass == rdclass);

  REQUIRE(null->data != NULL || null->length == 0);

  UNUSED(type);

  UNUSED(rdclass);

  return mem_tobuffer(target, null->data, null->length);

}

static isc_result_t

tostruct_null(ARGS_TOSTRUCT) {

  dns_rdata_null_t *null = target;

  isc_region_t r;

  REQUIRE(rdata->type == dns_rdatatype_null);

  REQUIRE(null != NULL);

  null->common.rdclass = rdata->rdclass;

  null->common.rdtype = rdata->type;

  dns_rdata_toregion(rdata, &r);

  null->length = r.length;

  null->data = mem_maybedup(mctx, r.base, r.length);

  null->mctx = mctx;

  return ISC_R_SUCCESS;

}

static void

freestruct_null(ARGS_FREESTRUCT) {

  dns_rdata_null_t *null = source;

  REQUIRE(null != NULL);

  REQUIRE(null->common.rdtype == dns_rdatatype_null);

  if (null->mctx == NULL) {

    return;

  }

  if (null->data != NULL) {

    isc_mem_free(null->mctx, null->data);

  }

  null->mctx = NULL;

}

static isc_result_t

additionaldata_null(ARGS_ADDLDATA) {

  REQUIRE(rdata->type == dns_rdatatype_null);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(add);

  UNUSED(arg);

  return ISC_R_SUCCESS;

}

static isc_result_t

digest_null(ARGS_DIGEST) {

  isc_region_t r;

  REQUIRE(rdata->type == dns_rdatatype_null);

  dns_rdata_toregion(rdata, &r);

  return (digest)(arg, &r);

}

static bool

checkowner_null(ARGS_CHECKOWNER) {

  REQUIRE(type == dns_rdatatype_null);

  UNUSED(name);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(wildcard);

  return true;

}

static bool

checknames_null(ARGS_CHECKNAMES) {

  REQUIRE(rdata->type == dns_rdatatype_null);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(bad);

  return true;

}

static int

casecompare_null(ARGS_COMPARE) {

  return compare_null(rdata1, rdata2);

}

#endif /* RDATA_GENERIC_NULL_10_C */