1 /*
2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef RDATA_GENERIC_TALINK_58_C
18 #define RDATA_GENERIC_TALINK_58_C
19
20 static inline isc_result_t
totext_talink(ARGS_TOTEXT)21 totext_talink(ARGS_TOTEXT) {
22 isc_region_t dregion;
23 dns_name_t prev;
24 dns_name_t next;
25 dns_name_t prefix;
26 int sub;
27
28 REQUIRE(rdata->type == dns_rdatatype_talink);
29 REQUIRE(rdata->length != 0);
30
31 dns_name_init(&prev, NULL);
32 dns_name_init(&next, NULL);
33 dns_name_init(&prefix, NULL);
34
35 dns_rdata_toregion(rdata, &dregion);
36
37 dns_name_fromregion(&prev, &dregion);
38 isc_region_consume(&dregion, name_length(&prev));
39
40 dns_name_fromregion(&next, &dregion);
41 isc_region_consume(&dregion, name_length(&next));
42
43 sub = name_prefix(&prev, tctx->origin, &prefix);
44 RETERR(dns_name_totext(&prefix, sub, target));
45
46 RETERR(isc_str_tobuffer(" ", target));
47
48 sub = name_prefix(&next, tctx->origin, &prefix);
49 return(dns_name_totext(&prefix, sub, target));
50 }
51
52 static inline isc_result_t
fromwire_talink(ARGS_FROMWIRE)53 fromwire_talink(ARGS_FROMWIRE) {
54 dns_name_t prev;
55 dns_name_t next;
56
57 REQUIRE(type == dns_rdatatype_talink);
58
59 UNUSED(type);
60 UNUSED(rdclass);
61
62 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
63
64 dns_name_init(&prev, NULL);
65 dns_name_init(&next, NULL);
66
67 RETERR(dns_name_fromwire(&prev, source, dctx, options, target));
68 return(dns_name_fromwire(&next, source, dctx, options, target));
69 }
70
71 static inline isc_result_t
towire_talink(ARGS_TOWIRE)72 towire_talink(ARGS_TOWIRE) {
73 isc_region_t sregion;
74 dns_name_t prev;
75 dns_name_t next;
76 dns_offsets_t moffsets;
77 dns_offsets_t roffsets;
78
79 REQUIRE(rdata->type == dns_rdatatype_talink);
80 REQUIRE(rdata->length != 0);
81
82 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
83
84 dns_name_init(&prev, moffsets);
85 dns_name_init(&next, roffsets);
86
87 dns_rdata_toregion(rdata, &sregion);
88
89 dns_name_fromregion(&prev, &sregion);
90 isc_region_consume(&sregion, name_length(&prev));
91 RETERR(dns_name_towire(&prev, cctx, target));
92
93 dns_name_fromregion(&next, &sregion);
94 isc_region_consume(&sregion, name_length(&next));
95 return(dns_name_towire(&next, cctx, target));
96 }
97
98 #endif /* RDATA_GENERIC_TALINK_58_C */
99