external/bsd/bind/dist/lib/dns/rdata/generic/null_10.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1998-2002  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: null_10.c,v 1.44 2009/12/04 22:06:37 tbox Exp */
  21
  22 /* Reviewed: Thu Mar 16 13:57:50 PST 2000 by explorer */
  23
  24 #ifndef RDATA_GENERIC_NULL_10_C
  25 #define RDATA_GENERIC_NULL_10_C
  26
  27 #define RRTYPE_NULL_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_null(ARGS_FROMTEXT) {
  31         REQUIRE(type == 10);
  32
  33         UNUSED(rdclass);
  34         UNUSED(type);
  35         UNUSED(lexer);
  36         UNUSED(origin);
  37         UNUSED(options);
  38         UNUSED(target);
  39         UNUSED(callbacks);
  40
  41         return (DNS_R_SYNTAX);
  42 }
  43
  44 static inline isc_result_t
  45 totext_null(ARGS_TOTEXT) {
  46         REQUIRE(rdata->type == 10);
  47
  48         UNUSED(rdata);
  49         UNUSED(tctx);
  50         UNUSED(target);
  51
  52         return (DNS_R_SYNTAX);
  53 }
  54
  55 static inline isc_result_t
  56 fromwire_null(ARGS_FROMWIRE) {
  57         isc_region_t sr;
  58
  59         REQUIRE(type == 10);
  60
  61         UNUSED(type);
  62         UNUSED(rdclass);
  63         UNUSED(dctx);
  64         UNUSED(options);
  65
  66         isc_buffer_activeregion(source, &sr);
  67         isc_buffer_forward(source, sr.length);
  68         return (mem_tobuffer(target, sr.base, sr.length));
  69 }
  70
  71 static inline isc_result_t
  72 towire_null(ARGS_TOWIRE) {
  73         REQUIRE(rdata->type == 10);
  74
  75         UNUSED(cctx);
  76
  77         return (mem_tobuffer(target, rdata->data, rdata->length));
  78 }
  79
  80 static inline int
  81 compare_null(ARGS_COMPARE) {
  82         isc_region_t r1;
  83         isc_region_t r2;
  84
  85         REQUIRE(rdata1->type == rdata2->type);
  86         REQUIRE(rdata1->rdclass == rdata2->rdclass);
  87         REQUIRE(rdata1->type == 10);
  88
  89         dns_rdata_toregion(rdata1, &r1);
  90         dns_rdata_toregion(rdata2, &r2);
  91         return (isc_region_compare(&r1, &r2));
  92 }
  93
  94 static inline isc_result_t
  95 fromstruct_null(ARGS_FROMSTRUCT) {
  96         dns_rdata_null_t *null = source;
  97
  98         REQUIRE(type == 10);
  99         REQUIRE(source != NULL);
 100         REQUIRE(null->common.rdtype == type);
 101         REQUIRE(null->common.rdclass == rdclass);
 102         REQUIRE(null->data != NULL || null->length == 0);
 103
 104         UNUSED(type);
 105         UNUSED(rdclass);
 106
 107         return (mem_tobuffer(target, null->data, null->length));
 108 }
 109
 110 static inline isc_result_t
 111 tostruct_null(ARGS_TOSTRUCT) {
 112         dns_rdata_null_t *null = target;
 113         isc_region_t r;
 114
 115         REQUIRE(rdata->type == 10);
 116         REQUIRE(target != NULL);
 117
 118         null->common.rdclass = rdata->rdclass;
 119         null->common.rdtype = rdata->type;
 120         ISC_LINK_INIT(&null->common, link);
 121
 122         dns_rdata_toregion(rdata, &r);
 123         null->length = r.length;
 124         null->data = mem_maybedup(mctx, r.base, r.length);
 125         if (null->data == NULL)
 126                 return (ISC_R_NOMEMORY);
 127
 128         null->mctx = mctx;
 129         return (ISC_R_SUCCESS);
 130 }
 131
 132 static inline void
 133 freestruct_null(ARGS_FREESTRUCT) {
 134         dns_rdata_null_t *null = source;
 135
 136         REQUIRE(source != NULL);
 137         REQUIRE(null->common.rdtype == 10);
 138
 139         if (null->mctx == NULL)
 140                 return;
 141
 142         if (null->data != NULL)
 143                 isc_mem_free(null->mctx, null->data);
 144         null->mctx = NULL;
 145 }
 146
 147 static inline isc_result_t
 148 additionaldata_null(ARGS_ADDLDATA) {
 149         UNUSED(rdata);
 150         UNUSED(add);
 151         UNUSED(arg);
 152
 153         REQUIRE(rdata->type == 10);
 154
 155         return (ISC_R_SUCCESS);
 156 }
 157
 158 static inline isc_result_t
 159 digest_null(ARGS_DIGEST) {
 160         isc_region_t r;
 161
 162         REQUIRE(rdata->type == 10);
 163
 164         dns_rdata_toregion(rdata, &r);
 165
 166         return ((digest)(arg, &r));
 167 }
 168
 169 static inline isc_boolean_t
 170 checkowner_null(ARGS_CHECKOWNER) {
 171
 172         REQUIRE(type == 10);
 173
 174         UNUSED(name);
 175         UNUSED(type);
 176         UNUSED(rdclass);
 177         UNUSED(wildcard);
 178
 179         return (ISC_TRUE);
 180 }
 181
 182 static inline isc_boolean_t
 183 checknames_null(ARGS_CHECKNAMES) {
 184
 185         REQUIRE(rdata->type == 10);
 186
 187         UNUSED(rdata);
 188         UNUSED(owner);
 189         UNUSED(bad);
 190
 191         return (ISC_TRUE);
 192 }
 193
 194 static inline int
 195 casecompare_null(ARGS_COMPARE) {
 196         return (compare_null(rdata1, rdata2));
 197 }
 198
 199 #endif  /* RDATA_GENERIC_NULL_10_C */