/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * Permission to use, copy, modify, and/or 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.
 */

#ifndef RDATA_GENERIC_TALINK_58_C
#define RDATA_GENERIC_TALINK_58_C

static inline isc_result_t
totext_talink(ARGS_TOTEXT) {
        isc_region_t dregion;
        dns_name_t prev;
        dns_name_t next;
        dns_name_t prefix;
        int sub;

        REQUIRE(rdata->type == dns_rdatatype_talink);
        REQUIRE(rdata->length != 0);

        dns_name_init(&prev, NULL);
        dns_name_init(&next, NULL);
        dns_name_init(&prefix, NULL);

        dns_rdata_toregion(rdata, &dregion);

        dns_name_fromregion(&prev, &dregion);
        isc_region_consume(&dregion, name_length(&prev));

        dns_name_fromregion(&next, &dregion);
        isc_region_consume(&dregion, name_length(&next));

        sub = name_prefix(&prev, tctx->origin, &prefix);
        RETERR(dns_name_totext(&prefix, sub, target));

        RETERR(isc_str_tobuffer(" ", target));

        sub = name_prefix(&next, tctx->origin, &prefix);
        return(dns_name_totext(&prefix, sub, target));
}

static inline isc_result_t
fromwire_talink(ARGS_FROMWIRE) {
        dns_name_t prev;
        dns_name_t next;

        REQUIRE(type == dns_rdatatype_talink);

        UNUSED(type);
        UNUSED(rdclass);

        dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);

        dns_name_init(&prev, NULL);
        dns_name_init(&next, NULL);

        RETERR(dns_name_fromwire(&prev, source, dctx, options, target));
        return(dns_name_fromwire(&next, source, dctx, options, target));
}

static inline isc_result_t
towire_talink(ARGS_TOWIRE) {
        isc_region_t sregion;
        dns_name_t prev;
        dns_name_t next;
        dns_offsets_t moffsets;
        dns_offsets_t roffsets;

        REQUIRE(rdata->type == dns_rdatatype_talink);
        REQUIRE(rdata->length != 0);

        dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);

        dns_name_init(&prev, moffsets);
        dns_name_init(&next, roffsets);

        dns_rdata_toregion(rdata, &sregion);

        dns_name_fromregion(&prev, &sregion);
        isc_region_consume(&sregion, name_length(&prev));
        RETERR(dns_name_towire(&prev, cctx, target));

        dns_name_fromregion(&next, &sregion);
        isc_region_consume(&sregion, name_length(&next));
        return(dns_name_towire(&next, cctx, target));
}

#endif  /* RDATA_GENERIC_TALINK_58_C */