/*

 * 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.

 */

#pragma once

#define RRTYPE_HINFO_ATTRIBUTES (0)

static isc_result_t

fromtext_hinfo(ARGS_FROMTEXT) {

  isc_token_t token;

  int i;

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(origin);

  UNUSED(options);

  UNUSED(callbacks);

  REQUIRE(type == dns_rdatatype_hinfo);

  for (i = 0; i < 2; i++) {

    RETERR(isc_lex_getmastertoken(lexer, &token,

                isc_tokentype_qstring, false));

    RETTOK(txt_fromtext(&token.value.as_textregion, target));

  }

  return ISC_R_SUCCESS;

}

static isc_result_t

totext_hinfo(ARGS_TOTEXT) {

  isc_region_t region;

  UNUSED(tctx);

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  REQUIRE(rdata->length != 0);

  dns_rdata_toregion(rdata, &region);

  RETERR(txt_totext(&region, true, target));

  RETERR(str_totext(" ", target));

  return txt_totext(&region, true, target);

}

static isc_result_t

fromwire_hinfo(ARGS_FROMWIRE) {

  REQUIRE(type == dns_rdatatype_hinfo);

  UNUSED(type);

  UNUSED(dctx);

  UNUSED(rdclass);

  RETERR(txt_fromwire(source, target));

  return txt_fromwire(source, target);

}

static isc_result_t

towire_hinfo(ARGS_TOWIRE) {

  UNUSED(cctx);

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  REQUIRE(rdata->length != 0);

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

}

static int

compare_hinfo(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_hinfo);

  REQUIRE(rdata1->length != 0);

  REQUIRE(rdata2->length != 0);

  dns_rdata_toregion(rdata1, &r1);

  dns_rdata_toregion(rdata2, &r2);

  return isc_region_compare(&r1, &r2);

}

static isc_result_t

fromstruct_hinfo(ARGS_FROMSTRUCT) {

  dns_rdata_hinfo_t *hinfo = source;

  REQUIRE(type == dns_rdatatype_hinfo);

  REQUIRE(hinfo != NULL);

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

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

  UNUSED(type);

  UNUSED(rdclass);

  RETERR(uint8_tobuffer(hinfo->cpu_len, target));

  RETERR(mem_tobuffer(target, hinfo->cpu, hinfo->cpu_len));

  RETERR(uint8_tobuffer(hinfo->os_len, target));

  return mem_tobuffer(target, hinfo->os, hinfo->os_len);

}

static isc_result_t

tostruct_hinfo(ARGS_TOSTRUCT) {

  dns_rdata_hinfo_t *hinfo = target;

  isc_region_t region;

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  REQUIRE(hinfo != NULL);

  REQUIRE(rdata->length != 0);

  DNS_RDATACOMMON_INIT(hinfo, rdata->type, rdata->rdclass);

  dns_rdata_toregion(rdata, &region);

  hinfo->cpu_len = uint8_fromregion(&region);

  isc_region_consume(&region, 1);

  hinfo->cpu = mem_maybedup(mctx, region.base, hinfo->cpu_len);

  isc_region_consume(&region, hinfo->cpu_len);

  hinfo->os_len = uint8_fromregion(&region);

  isc_region_consume(&region, 1);

  hinfo->os = mem_maybedup(mctx, region.base, hinfo->os_len);

  hinfo->mctx = mctx;

  return ISC_R_SUCCESS;

}

static void

freestruct_hinfo(ARGS_FREESTRUCT) {

  dns_rdata_hinfo_t *hinfo = source;

  REQUIRE(hinfo != NULL);

  if (hinfo->mctx == NULL) {

    return;

  }

  if (hinfo->cpu != NULL) {

    isc_mem_free(hinfo->mctx, hinfo->cpu);

  }

  if (hinfo->os != NULL) {

    isc_mem_free(hinfo->mctx, hinfo->os);

  }

  hinfo->mctx = NULL;

}

static isc_result_t

additionaldata_hinfo(ARGS_ADDLDATA) {

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(add);

  UNUSED(arg);

  return ISC_R_SUCCESS;

}

static isc_result_t

digest_hinfo(ARGS_DIGEST) {

  isc_region_t r;

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  dns_rdata_toregion(rdata, &r);

  return (digest)(arg, &r);

}

static bool

checkowner_hinfo(ARGS_CHECKOWNER) {

  REQUIRE(type == dns_rdatatype_hinfo);

  UNUSED(name);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(wildcard);

  return true;

}

static bool

checknames_hinfo(ARGS_CHECKNAMES) {

  REQUIRE(rdata->type == dns_rdatatype_hinfo);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(bad);

  return true;

}

static int

casecompare_hinfo(ARGS_COMPARE) {

  return compare_hinfo(rdata1, rdata2);

}