gpos_27.c revision dafcb997e390efa4423883dafd100c975c4095d6
/*
* Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2002 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 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: gpos_27.c,v 1.37 2004/03/05 05:10:11 marka Exp $ */
/* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
/* RFC 1712 */
#ifndef RDATA_GENERIC_GPOS_27_C
#define RDATA_GENERIC_GPOS_27_C
#define RRTYPE_GPOS_ATTRIBUTES (0)
static inline isc_result_t
fromtext_gpos(ARGS_FROMTEXT) {
isc_token_t token;
int i;
REQUIRE(type == 27);
UNUSED(type);
UNUSED(rdclass);
UNUSED(origin);
UNUSED(options);
UNUSED(callbacks);
for (i = 0; i < 3; i++) {
RETERR(isc_lex_getmastertoken(lexer, &token,
isc_tokentype_qstring,
ISC_FALSE));
RETTOK(txt_fromtext(&token.value.as_textregion, target));
}
return (ISC_R_SUCCESS);
}
static inline isc_result_t
totext_gpos(ARGS_TOTEXT) {
isc_region_t region;
int i;
REQUIRE(rdata->type == 27);
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_rdata_toregion(rdata, &region);
for (i = 0; i < 3; i++) {
RETERR(txt_totext(&region, target));
if (i != 2)
RETERR(str_totext(" ", target));
}
return (ISC_R_SUCCESS);
}
static inline isc_result_t
fromwire_gpos(ARGS_FROMWIRE) {
int i;
REQUIRE(type == 27);
UNUSED(type);
UNUSED(dctx);
UNUSED(rdclass);
UNUSED(options);
for (i = 0; i < 3; i++)
RETERR(txt_fromwire(source, target));
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_gpos(ARGS_TOWIRE) {
REQUIRE(rdata->type == 27);
REQUIRE(rdata->length != 0);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static inline int
compare_gpos(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == 27);
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 inline isc_result_t
fromstruct_gpos(ARGS_FROMSTRUCT) {
dns_rdata_gpos_t *gpos = source;
REQUIRE(type == 27);
REQUIRE(source != NULL);
REQUIRE(gpos->common.rdtype == type);
REQUIRE(gpos->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
RETERR(uint8_tobuffer(gpos->long_len, target));
RETERR(mem_tobuffer(target, gpos->longitude, gpos->long_len));
RETERR(uint8_tobuffer(gpos->lat_len, target));
RETERR(mem_tobuffer(target, gpos->latitude, gpos->lat_len));
RETERR(uint8_tobuffer(gpos->alt_len, target));
return (mem_tobuffer(target, gpos->altitude, gpos->alt_len));
}
static inline isc_result_t
tostruct_gpos(ARGS_TOSTRUCT) {
dns_rdata_gpos_t *gpos = target;
isc_region_t region;
REQUIRE(rdata->type == 27);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
gpos->common.rdclass = rdata->rdclass;
gpos->common.rdtype = rdata->type;
ISC_LINK_INIT(&gpos->common, link);
dns_rdata_toregion(rdata, &region);
gpos->long_len = uint8_fromregion(&region);
isc_region_consume(&region, 1);
gpos->longitude = mem_maybedup(mctx, region.base, gpos->long_len);
if (gpos->longitude == NULL)
return (ISC_R_NOMEMORY);
isc_region_consume(&region, gpos->long_len);
gpos->lat_len = uint8_fromregion(&region);
isc_region_consume(&region, 1);
gpos->latitude = mem_maybedup(mctx, region.base, gpos->lat_len);
if (gpos->latitude == NULL)
goto cleanup_longitude;
isc_region_consume(&region, gpos->lat_len);
gpos->alt_len = uint8_fromregion(&region);
isc_region_consume(&region, 1);
if (gpos->lat_len > 0) {
gpos->altitude =
mem_maybedup(mctx, region.base, gpos->alt_len);
if (gpos->altitude == NULL)
goto cleanup_latitude;
} else
gpos->altitude = NULL;
gpos->mctx = mctx;
return (ISC_R_SUCCESS);
cleanup_latitude:
if (mctx != NULL && gpos->longitude != NULL)
isc_mem_free(mctx, gpos->longitude);
cleanup_longitude:
if (mctx != NULL && gpos->latitude != NULL)
isc_mem_free(mctx, gpos->latitude);
return (ISC_R_NOMEMORY);
}
static inline void
freestruct_gpos(ARGS_FREESTRUCT) {
dns_rdata_gpos_t *gpos = source;
REQUIRE(source != NULL);
REQUIRE(gpos->common.rdtype == 27);
if (gpos->mctx == NULL)
return;
if (gpos->longitude != NULL)
isc_mem_free(gpos->mctx, gpos->longitude);
if (gpos->latitude != NULL)
isc_mem_free(gpos->mctx, gpos->latitude);
if (gpos->altitude != NULL)
isc_mem_free(gpos->mctx, gpos->altitude);
gpos->mctx = NULL;
}
static inline isc_result_t
additionaldata_gpos(ARGS_ADDLDATA) {
REQUIRE(rdata->type == 27);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_gpos(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == 27);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static inline isc_boolean_t
checkowner_gpos(ARGS_CHECKOWNER) {
REQUIRE(type == 27);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_gpos(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == 27);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (ISC_TRUE);
}
#endif /* RDATA_GENERIC_GPOS_27_C */