rdata/generic/isdn_20.c

	isdn_20.c revision 6324997211a5e2d82528dcde98e8981190a35fae
/*
 * Copyright (C) 1999, 2000  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: isdn_20.c,v 1.16 2000/04/07 03:54:14 explorer Exp $ */

/* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */

/* RFC 1183 */

#ifndef RDATA_GENERIC_ISDN_20_C
#define RDATA_GENERIC_ISDN_20_C

#define RRTYPE_ISDN_ATTRIBUTES (0)

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

    UNUSED(rdclass);
    UNUSED(origin);
    UNUSED(downcase);

    REQUIRE(type == 20);

    /* ISDN-address */
    RETERR(gettoken(lexer, &token, isc_tokentype_qstring, 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 &&
        token.type != isc_tokentype_qstring) {
        isc_lex_ungettoken(lexer, &token);
        return (ISC_R_SUCCESS);
    }
    return (txt_fromtext(&token.value.as_textregion, target));
}

static inline isc_result_t
totext_isdn(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
        isc_buffer_t *target)
{
    isc_region_t region;

    UNUSED(tctx);

    REQUIRE(rdata->type == 20);

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

static inline isc_result_t
fromwire_isdn(dns_rdataclass_t rdclass, dns_rdatatype_t type,
          isc_buffer_t *source, dns_decompress_t *dctx,
          isc_boolean_t downcase, isc_buffer_t *target)
{
    UNUSED(dctx);
    UNUSED(rdclass);
    UNUSED(downcase);

    REQUIRE(type == 20);

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

static inline isc_result_t
towire_isdn(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
    UNUSED(cctx);

    REQUIRE(rdata->type == 20);

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

static inline 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->rdclass == rdata2->rdclass);
    REQUIRE(rdata1->type == 20);

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

static inline isc_result_t
fromstruct_isdn(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
        isc_buffer_t *target)
{
    UNUSED(rdclass);
    UNUSED(source);
    UNUSED(target);

    REQUIRE(type == 20);

    return (ISC_R_NOTIMPLEMENTED);
}

static inline isc_result_t
tostruct_isdn(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {
    UNUSED(target);
    UNUSED(mctx);

    REQUIRE(rdata->type == 20);

    return (ISC_R_NOTIMPLEMENTED);
}

static inline void
freestruct_isdn(void *source) {
    REQUIRE(source != NULL);
    REQUIRE(ISC_FALSE); /*XXX*/
}

static inline isc_result_t
additionaldata_isdn(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
            void *arg)
{
    UNUSED(add);
    UNUSED(arg);

    REQUIRE(rdata->type == 20);

    return (ISC_R_SUCCESS);
}

static inline isc_result_t
digest_isdn(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
    isc_region_t r;

    REQUIRE(rdata->type == 20);

    dns_rdata_toregion(rdata, &r);

    return ((digest)(arg, &r));
}

#endif  /* RDATA_GENERIC_ISDN_20_C */