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 /* $Id: isdn_20.c,v 1.13 2020/09/14 08:40:43 florian Exp $ */
18
19 /* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */
20
21 /* RFC1183 */
22
23 #ifndef RDATA_GENERIC_ISDN_20_C
24 #define RDATA_GENERIC_ISDN_20_C
25
26 static inline isc_result_t
totext_isdn(ARGS_TOTEXT)27 totext_isdn(ARGS_TOTEXT) {
28 isc_region_t region;
29
30 REQUIRE(rdata->type == dns_rdatatype_isdn);
31 REQUIRE(rdata->length != 0);
32
33 UNUSED(tctx);
34
35 dns_rdata_toregion(rdata, ®ion);
36 RETERR(txt_totext(®ion, 1, target));
37 if (region.length == 0)
38 return (ISC_R_SUCCESS);
39 RETERR(isc_str_tobuffer(" ", target));
40 return (txt_totext(®ion, 1, target));
41 }
42
43 static inline isc_result_t
fromwire_isdn(ARGS_FROMWIRE)44 fromwire_isdn(ARGS_FROMWIRE) {
45 REQUIRE(type == dns_rdatatype_isdn);
46
47 UNUSED(type);
48 UNUSED(dctx);
49 UNUSED(rdclass);
50 UNUSED(options);
51
52 RETERR(txt_fromwire(source, target));
53 if (buffer_empty(source))
54 return (ISC_R_SUCCESS);
55 return (txt_fromwire(source, target));
56 }
57
58 static inline isc_result_t
towire_isdn(ARGS_TOWIRE)59 towire_isdn(ARGS_TOWIRE) {
60 UNUSED(cctx);
61
62 REQUIRE(rdata->type == dns_rdatatype_isdn);
63 REQUIRE(rdata->length != 0);
64
65 return (isc_mem_tobuffer(target, rdata->data, rdata->length));
66 }
67
68 #endif /* RDATA_GENERIC_ISDN_20_C */
69