null_10.c

Go to the documentation of this file.

/*
 * Copyright (C) 2004, 2007, 2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1998-2002  Internet Software Consortium.
 *
 * 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.
 */

/* $Id$ */

/* Reviewed: Thu Mar 16 13:57:50 PST 2000 by explorer */

#ifndef RDATA_GENERIC_NULL_10_C
#define RDATA_GENERIC_NULL_10_C

#define RRTYPE_NULL_ATTRIBUTES (0)

static inline isc_result_t
fromtext_null(ARGS_FROMTEXT) {
        REQUIRE(type == 10);

        UNUSED(rdclass);
        UNUSED(type);
        UNUSED(lexer);
        UNUSED(origin);
        UNUSED(options);
        UNUSED(target);
        UNUSED(callbacks);

        return (DNS_R_SYNTAX);
}

static inline isc_result_t
totext_null(ARGS_TOTEXT) {
        REQUIRE(rdata->type == 10);

        return (unknown_totext(rdata, tctx, target));
}

static inline isc_result_t
fromwire_null(ARGS_FROMWIRE) {
        isc_region_t sr;

        REQUIRE(type == 10);

        UNUSED(type);
        UNUSED(rdclass);
        UNUSED(dctx);
        UNUSED(options);

        isc_buffer_activeregion(source, &sr);
        isc_buffer_forward(source, sr.length);
        return (mem_tobuffer(target, sr.base, sr.length));
}

static inline isc_result_t
towire_null(ARGS_TOWIRE) {
        REQUIRE(rdata->type == 10);

        UNUSED(cctx);

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

static inline 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 == 10);

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

static inline isc_result_t
fromstruct_null(ARGS_FROMSTRUCT) {
        dns_rdata_null_t *null = source;

        REQUIRE(type == 10);
        REQUIRE(source != 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 inline isc_result_t
tostruct_null(ARGS_TOSTRUCT) {
        dns_rdata_null_t *null = target;
        isc_region_t r;

        REQUIRE(rdata->type == 10);
        REQUIRE(target != NULL);

        null->common.rdclass = rdata->rdclass;
        null->common.rdtype = rdata->type;
        ISC_LINK_INIT(&null->common, link);

        dns_rdata_toregion(rdata, &r);
        null->length = r.length;
        null->data = mem_maybedup(mctx, r.base, r.length);
        if (null->data == NULL)
                return (ISC_R_NOMEMORY);

        null->mctx = mctx;
        return (ISC_R_SUCCESS);
}

static inline void
freestruct_null(ARGS_FREESTRUCT) {
        dns_rdata_null_t *null = source;

        REQUIRE(source != NULL);
        REQUIRE(null->common.rdtype == 10);

        if (null->mctx == NULL)
                return;

        if (null->data != NULL)
                isc_mem_free(null->mctx, null->data);
        null->mctx = NULL;
}

static inline isc_result_t
additionaldata_null(ARGS_ADDLDATA) {
        UNUSED(rdata);
        UNUSED(add);
        UNUSED(arg);

        REQUIRE(rdata->type == 10);

        return (ISC_R_SUCCESS);
}

static inline isc_result_t
digest_null(ARGS_DIGEST) {
        isc_region_t r;

        REQUIRE(rdata->type == 10);

        dns_rdata_toregion(rdata, &r);

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

static inline isc_boolean_t
checkowner_null(ARGS_CHECKOWNER) {

        REQUIRE(type == 10);

        UNUSED(name);
        UNUSED(type);
        UNUSED(rdclass);
        UNUSED(wildcard);

        return (ISC_TRUE);
}

static inline isc_boolean_t
checknames_null(ARGS_CHECKNAMES) {

        REQUIRE(rdata->type == 10);

        UNUSED(rdata);
        UNUSED(owner);
        UNUSED(bad);

        return (ISC_TRUE);
}

static inline int
casecompare_null(ARGS_COMPARE) {
        return (compare_null(rdata1, rdata2));
}

#endif  /* RDATA_GENERIC_NULL_10_C */

---