contrib/bind-9.2.4rc7/lib/dns/rdata/generic/gpos_27.c

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: gpos_27.c,v 1.32.2.1 2004/03/09 06:11:27 marka Exp $ */
  19
  20 /* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
  21
  22 /* RFC 1712 */
  23
  24 #ifndef RDATA_GENERIC_GPOS_27_C
  25 #define RDATA_GENERIC_GPOS_27_C
  26
  27 #define RRTYPE_GPOS_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_gpos(ARGS_FROMTEXT) {
  31         isc_token_t token;
  32         int i;
  33
  34         REQUIRE(type == 27);
  35
  36         UNUSED(type);
  37         UNUSED(rdclass);
  38         UNUSED(origin);
  39         UNUSED(downcase);
  40         UNUSED(callbacks);
  41
  42         for (i = 0; i < 3 ; i++) {
  43                 RETERR(isc_lex_getmastertoken(lexer, &token,
  44                                               isc_tokentype_qstring,
  45                                               ISC_FALSE));
  46                 RETTOK(txt_fromtext(&token.value.as_textregion, target));
  47         }
  48         return (ISC_R_SUCCESS);
  49 }
  50
  51 static inline isc_result_t
  52 totext_gpos(ARGS_TOTEXT) {
  53         isc_region_t region;
  54         int i;
  55
  56         REQUIRE(rdata->type == 27);
  57         REQUIRE(rdata->length != 0);
  58
  59         UNUSED(tctx);
  60
  61         dns_rdata_toregion(rdata, &region);
  62
  63         for (i = 0; i < 3 ; i++) {
  64                 RETERR(txt_totext(&region, target));
  65                 if (i != 2)
  66                         RETERR(str_totext(" ", target));
  67         }
  68
  69         return (ISC_R_SUCCESS);
  70 }
  71
  72 static inline isc_result_t
  73 fromwire_gpos(ARGS_FROMWIRE) {
  74         int i;
  75
  76         REQUIRE(type == 27);
  77
  78         UNUSED(type);
  79         UNUSED(dctx);
  80         UNUSED(rdclass);
  81         UNUSED(downcase);
  82
  83         for (i = 0 ; i < 3; i++)
  84                 RETERR(txt_fromwire(source, target));
  85         return (ISC_R_SUCCESS);
  86 }
  87
  88 static inline isc_result_t
  89 towire_gpos(ARGS_TOWIRE) {
  90
  91         REQUIRE(rdata->type == 27);
  92         REQUIRE(rdata->length != 0);
  93
  94         UNUSED(cctx);
  95
  96         return (mem_tobuffer(target, rdata->data, rdata->length));
  97 }
  98
  99 static inline int
 100 compare_gpos(ARGS_COMPARE) {
 101         isc_region_t r1;
 102         isc_region_t r2;
 103
 104         REQUIRE(rdata1->type == rdata2->type);
 105         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 106         REQUIRE(rdata1->type == 27);
 107         REQUIRE(rdata1->length != 0);
 108         REQUIRE(rdata2->length != 0);
 109
 110         dns_rdata_toregion(rdata1, &r1);
 111         dns_rdata_toregion(rdata2, &r2);
 112         return (compare_region(&r1, &r2));
 113 }
 114
 115 static inline isc_result_t
 116 fromstruct_gpos(ARGS_FROMSTRUCT) {
 117         dns_rdata_gpos_t *gpos = source;
 118
 119         REQUIRE(type == 27);
 120         REQUIRE(source != NULL);
 121         REQUIRE(gpos->common.rdtype == type);
 122         REQUIRE(gpos->common.rdclass == rdclass);
 123
 124         UNUSED(type);
 125         UNUSED(rdclass);
 126
 127         RETERR(uint8_tobuffer(gpos->long_len, target));
 128         RETERR(mem_tobuffer(target, gpos->longitude, gpos->long_len));
 129         RETERR(uint8_tobuffer(gpos->lat_len, target));
 130         RETERR(mem_tobuffer(target, gpos->latitude, gpos->lat_len));
 131         RETERR(uint8_tobuffer(gpos->alt_len, target));
 132         return (mem_tobuffer(target, gpos->altitude, gpos->alt_len));
 133 }
 134
 135 static inline isc_result_t
 136 tostruct_gpos(ARGS_TOSTRUCT) {
 137         dns_rdata_gpos_t *gpos = target;
 138         isc_region_t region;
 139
 140         REQUIRE(rdata->type == 27);
 141         REQUIRE(target != NULL);
 142         REQUIRE(rdata->length != 0);
 143
 144         gpos->common.rdclass = rdata->rdclass;
 145         gpos->common.rdtype = rdata->type;
 146         ISC_LINK_INIT(&gpos->common, link);
 147
 148         dns_rdata_toregion(rdata, &region);
 149         gpos->long_len = uint8_fromregion(&region);
 150         isc_region_consume(&region, 1);
 151         gpos->longitude = mem_maybedup(mctx, region.base, gpos->long_len);
 152         if (gpos->longitude == NULL)
 153                 return (ISC_R_NOMEMORY);
 154         isc_region_consume(&region, gpos->long_len);
 155
 156         gpos->lat_len = uint8_fromregion(&region);
 157         isc_region_consume(&region, 1);
 158         gpos->latitude = mem_maybedup(mctx, region.base, gpos->lat_len);
 159         if (gpos->latitude == NULL)
 160                 goto cleanup_longitude;
 161         isc_region_consume(&region, gpos->lat_len);
 162
 163         gpos->alt_len = uint8_fromregion(&region);
 164         isc_region_consume(&region, 1);
 165         if (gpos->lat_len > 0) {
 166                 gpos->altitude =
 167                         mem_maybedup(mctx, region.base, gpos->alt_len);
 168                 if (gpos->altitude == NULL)
 169                         goto cleanup_latitude;
 170         } else
 171                 gpos->altitude = NULL;
 172
 173         gpos->mctx = mctx;
 174         return (ISC_R_SUCCESS);
 175
 176  cleanup_latitude:
 177         if (mctx != NULL && gpos->longitude != NULL)
 178                 isc_mem_free(mctx, gpos->longitude);
 179
 180  cleanup_longitude:
 181         if (mctx != NULL && gpos->latitude != NULL)
 182                 isc_mem_free(mctx, gpos->latitude);
 183         return (ISC_R_NOMEMORY);
 184 }
 185
 186 static inline void
 187 freestruct_gpos(ARGS_FREESTRUCT) {
 188         dns_rdata_gpos_t *gpos = source;
 189
 190         REQUIRE(source != NULL);
 191         REQUIRE(gpos->common.rdtype == 27);
 192
 193         if (gpos->mctx == NULL)
 194                 return;
 195
 196         if (gpos->longitude != NULL)
 197                 isc_mem_free(gpos->mctx, gpos->longitude);
 198         if (gpos->latitude != NULL)
 199                 isc_mem_free(gpos->mctx, gpos->latitude);
 200         if (gpos->altitude != NULL)
 201                 isc_mem_free(gpos->mctx, gpos->altitude);
 202         gpos->mctx = NULL;
 203 }
 204
 205 static inline isc_result_t
 206 additionaldata_gpos(ARGS_ADDLDATA) {
 207         REQUIRE(rdata->type == 27);
 208
 209         UNUSED(rdata);
 210         UNUSED(add);
 211         UNUSED(arg);
 212
 213         return (ISC_R_SUCCESS);
 214 }
 215
 216 static inline isc_result_t
 217 digest_gpos(ARGS_DIGEST) {
 218         isc_region_t r;
 219
 220         REQUIRE(rdata->type == 27);
 221
 222         dns_rdata_toregion(rdata, &r);
 223
 224         return ((digest)(arg, &r));
 225 }
 226
 227 #endif  /* RDATA_GENERIC_GPOS_27_C */