rdata/generic/isdn_20.c

	isdn_20.c revision 0e8cf9a887c70f96ac448b06c069d90b830215cc
/*
 * Copyright (C) 1999 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
 * CONSORTIUM 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.
 */

 /* $Id*/

 /* RFC 1183 */

#ifndef RDATA_GENERIC_ISDN_20_H
#define RDATA_GENERIC_ISDN_20_H

static dns_result_t
fromtext_isdn(dns_rdataclass_t class, dns_rdatatype_t type,
          isc_lex_t *lexer, dns_name_t *origin,
          isc_boolean_t downcase, isc_buffer_t *target)
{
    isc_token_t token;

    REQUIRE(type == 20);

    class = class;      /*unused*/
    origin = origin;    /*unused*/
    downcase = downcase;    /*unused*/

    /* ISDN-address */
    RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
    RETERR(txt_fromtext(&token.value.as_textregion, target));

    /* sa: optional */
    RETERR(gettoken(lexer, &token, isc_tokentype_qstring, ISC_TRUE));
    if (token.type != isc_tokentype_string) {
        isc_lex_ungettoken(lexer, &token);
        return (DNS_R_SUCCESS);
    }
    return (txt_fromtext(&token.value.as_textregion, target));
}

static dns_result_t
totext_isdn(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
    isc_region_t region;

    REQUIRE(rdata->type == 20);

    origin = origin;    /*unused*/

    dns_rdata_toregion(rdata, &region);
    RETERR(txt_totext(&region, target));
    if (region.length == 0)
        return (DNS_R_SUCCESS);
    RETERR(str_totext(" ", target));
    return (txt_totext(&region, target));
}

static dns_result_t
fromwire_isdn(dns_rdataclass_t class, dns_rdatatype_t type,
          isc_buffer_t *source, dns_decompress_t *dctx,
          isc_boolean_t downcase, isc_buffer_t *target)
{

    REQUIRE(type == 20);

    dctx = dctx;        /* unused */
    class = class;      /* unused */
    downcase = downcase;    /* unused */

    RETERR(txt_fromwire(source, target));
    if (buffer_empty(source))
        return (DNS_R_SUCCESS);
    return (txt_fromwire(source, target));
}

static dns_result_t
towire_isdn(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {

    REQUIRE(rdata->type == 20);

    cctx = cctx;    /*unused*/

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

static int
compare_isdn(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
    isc_region_t r1;
    isc_region_t r2;

    REQUIRE(rdata1->type == rdata2->type);
    REQUIRE(rdata1->class == rdata2->class);
    REQUIRE(rdata1->type == 20);

    dns_rdata_toregion(rdata1, &r1);
    dns_rdata_toregion(rdata2, &r2);
    return (compare_region(&r1, &r2));
}

static dns_result_t
fromstruct_isdn(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
        isc_buffer_t *target)
{

    REQUIRE(type == 20);

    class = class;  /*unused*/

    source = source;
    target = target;

    return (DNS_R_NOTIMPLEMENTED);
}

static dns_result_t
tostruct_isdn(dns_rdata_t *rdata, void *target) {

    REQUIRE(rdata->type == 20);

    target = target;

    return (DNS_R_NOTIMPLEMENTED);
}
#endif  /* RDATA_GENERIC_ISDN_20_H */