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/*
* Copyright (C) 1998-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $ISC: txt_16.c,v 1.37 2001/07/16 03:06:33 marka Exp $ */
/* Reviewed: Thu Mar 16 15:40:00 PST 2000 by bwelling */
#ifndef RDATA_GENERIC_TXT_16_C
#define RDATA_GENERIC_TXT_16_C
#define RRTYPE_TXT_ATTRIBUTES (0)
static inline isc_result_t
fromtext_txt(ARGS_FROMTEXT) {
isc_token_t token;
int strings;
REQUIRE(type == 16);
UNUSED(type);
UNUSED(rdclass);
UNUSED(origin);
UNUSED(downcase);
UNUSED(callbacks);
strings = 0;
for (;;) {
RETERR(isc_lex_getmastertoken(lexer, &token,
isc_tokentype_qstring,
ISC_TRUE));
if (token.type != isc_tokentype_qstring &&
token.type != isc_tokentype_string)
break;
RETTOK(txt_fromtext(&token.value.as_textregion, target));
strings++;
}
/* Let upper layer handle eol/eof. */
isc_lex_ungettoken(lexer, &token);
return (strings == 0 ? ISC_R_UNEXPECTEDEND : ISC_R_SUCCESS);
}
static inline isc_result_t
totext_txt(ARGS_TOTEXT) {
isc_region_t region;
UNUSED(tctx);
REQUIRE(rdata->type == 16);
dns_rdata_toregion(rdata, ®ion);
while (region.length > 0) {
RETERR(txt_totext(®ion, target));
if (region.length > 0)
RETERR(str_totext(" ", target));
}
return (ISC_R_SUCCESS);
}
static inline isc_result_t
fromwire_txt(ARGS_FROMWIRE) {
isc_result_t result;
REQUIRE(type == 16);
UNUSED(type);
UNUSED(dctx);
UNUSED(rdclass);
UNUSED(downcase);
do {
result = txt_fromwire(source, target);
if (result != ISC_R_SUCCESS)
return (result);
} while (!buffer_empty(source));
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_txt(ARGS_TOWIRE) {
isc_region_t region;
REQUIRE(rdata->type == 16);
UNUSED(cctx);
isc_buffer_availableregion(target, ®ion);
if (region.length < rdata->length)
return (ISC_R_NOSPACE);
memcpy(region.base, rdata->data, rdata->length);
isc_buffer_add(target, rdata->length);
return (ISC_R_SUCCESS);
}
static inline int
compare_txt(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == 16);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (compare_region(&r1, &r2));
}
static inline isc_result_t
fromstruct_txt(ARGS_FROMSTRUCT) {
dns_rdata_txt_t *txt = source;
isc_region_t region;
isc_uint8_t length;
REQUIRE(type == 16);
REQUIRE(source != NULL);
REQUIRE(txt->common.rdtype == type);
REQUIRE(txt->common.rdclass == rdclass);
REQUIRE(txt->txt != NULL && txt->txt_len != 0);
UNUSED(type);
UNUSED(rdclass);
region.base = txt->txt;
region.length = txt->txt_len;
while (region.length > 0) {
length = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
if (region.length <= length)
return (ISC_R_UNEXPECTEDEND);
isc_region_consume(®ion, length);
}
return (mem_tobuffer(target, txt->txt, txt->txt_len));
}
static inline isc_result_t
tostruct_txt(ARGS_TOSTRUCT) {
dns_rdata_txt_t *txt = target;
isc_region_t r;
REQUIRE(rdata->type == 16);
REQUIRE(target != NULL);
txt->common.rdclass = rdata->rdclass;
txt->common.rdtype = rdata->type;
ISC_LINK_INIT(&txt->common, link);
dns_rdata_toregion(rdata, &r);
txt->txt_len = r.length;
txt->txt = mem_maybedup(mctx, r.base, r.length);
if (txt->txt == NULL)
return (ISC_R_NOMEMORY);
txt->offset = 0;
txt->mctx = mctx;
return (ISC_R_SUCCESS);
}
static inline void
freestruct_txt(ARGS_FREESTRUCT) {
dns_rdata_txt_t *txt = source;
REQUIRE(source != NULL);
REQUIRE(txt->common.rdtype == 16);
if (txt->mctx == NULL)
return;
if (txt->txt != NULL)
isc_mem_free(txt->mctx, txt->txt);
txt->mctx = NULL;
}
static inline isc_result_t
additionaldata_txt(ARGS_ADDLDATA) {
REQUIRE(rdata->type == 16);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_txt(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == 16);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
#endif /* RDATA_GENERIC_TXT_16_C */
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