hinfo_13.c revision 1.5 
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: hinfo_13.c,v 1.5 2020/02/24 12:06:51 florian Exp $ */
18
19/*
20 * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
21 */
22
23#ifndef RDATA_GENERIC_HINFO_13_C
24#define RDATA_GENERIC_HINFO_13_C
25
26#define RRTYPE_HINFO_ATTRIBUTES (0)
27
28static inline isc_result_t
29totext_hinfo(ARGS_TOTEXT) {
30	isc_region_t region;
31
32	UNUSED(tctx);
33
34	REQUIRE(rdata->type == dns_rdatatype_hinfo);
35	REQUIRE(rdata->length != 0);
36
37	dns_rdata_toregion(rdata, &region);
38	RETERR(txt_totext(&region, ISC_TRUE, target));
39	RETERR(str_totext(" ", target));
40	return (txt_totext(&region, ISC_TRUE, target));
41}
42
43static inline isc_result_t
44fromwire_hinfo(ARGS_FROMWIRE) {
45
46	REQUIRE(type == dns_rdatatype_hinfo);
47
48	UNUSED(type);
49	UNUSED(dctx);
50	UNUSED(rdclass);
51	UNUSED(options);
52
53	RETERR(txt_fromwire(source, target));
54	return (txt_fromwire(source, target));
55}
56
57static inline isc_result_t
58towire_hinfo(ARGS_TOWIRE) {
59
60	UNUSED(cctx);
61
62	REQUIRE(rdata->type == dns_rdatatype_hinfo);
63	REQUIRE(rdata->length != 0);
64
65	return (mem_tobuffer(target, rdata->data, rdata->length));
66}
67
68
69static inline isc_result_t
70fromstruct_hinfo(ARGS_FROMSTRUCT) {
71	dns_rdata_hinfo_t *hinfo = source;
72
73	REQUIRE(type == dns_rdatatype_hinfo);
74	REQUIRE(source != NULL);
75	REQUIRE(hinfo->common.rdtype == type);
76	REQUIRE(hinfo->common.rdclass == rdclass);
77
78	UNUSED(type);
79	UNUSED(rdclass);
80
81	RETERR(uint8_tobuffer(hinfo->cpu_len, target));
82	RETERR(mem_tobuffer(target, hinfo->cpu, hinfo->cpu_len));
83	RETERR(uint8_tobuffer(hinfo->os_len, target));
84	return (mem_tobuffer(target, hinfo->os, hinfo->os_len));
85}
86
87static inline isc_result_t
88tostruct_hinfo(ARGS_TOSTRUCT) {
89	dns_rdata_hinfo_t *hinfo = target;
90	isc_region_t region;
91
92	REQUIRE(rdata->type == dns_rdatatype_hinfo);
93	REQUIRE(target != NULL);
94	REQUIRE(rdata->length != 0);
95
96	hinfo->common.rdclass = rdata->rdclass;
97	hinfo->common.rdtype = rdata->type;
98	ISC_LINK_INIT(&hinfo->common, link);
99
100	dns_rdata_toregion(rdata, &region);
101	hinfo->cpu_len = uint8_fromregion(&region);
102	isc_region_consume(&region, 1);
103	hinfo->cpu = mem_maybedup(region.base, hinfo->cpu_len);
104	if (hinfo->cpu == NULL)
105		return (ISC_R_NOMEMORY);
106	isc_region_consume(&region, hinfo->cpu_len);
107
108	hinfo->os_len = uint8_fromregion(&region);
109	isc_region_consume(&region, 1);
110	hinfo->os = mem_maybedup(region.base, hinfo->os_len);
111	if (hinfo->os == NULL)
112		goto cleanup;
113
114	return (ISC_R_SUCCESS);
115
116 cleanup:
117	free(hinfo->cpu);
118	return (ISC_R_NOMEMORY);
119}
120
121static inline void
122freestruct_hinfo(ARGS_FREESTRUCT) {
123	dns_rdata_hinfo_t *hinfo = source;
124
125	REQUIRE(source != NULL);
126
127	free(hinfo->cpu);
128	free(hinfo->os);
129}
130
131
132#endif	/* RDATA_GENERIC_HINFO_13_C */
133