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Implement totext(). RFC 2671 does *not* specify a presentation format.

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[option length [base64string] ] ...
This commit is contained in:
Mark Andrews 2000-05-17 03:39:29 +00:00
parent 5d545650bf
commit e7359c3a86
1 changed files with 32 additions and 5 deletions
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37
lib/dns/rdata/generic/opt_41.c
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@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: opt_41.c,v 1.12 2000/05/13 22:33:29 tale Exp $ */
/* $Id: opt_41.c,v 1.13 2000/05/17 03:39:29 marka Exp $ */
/* Reviewed: Thu Mar 16 14:06:44 PST 2000 by gson */
@ -52,17 +52,44 @@ static inline isc_result_t
totext_opt(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
isc_buffer_t *target)
{
isc_region_t r;
isc_region_t or;
isc_uint16_t option;
isc_uint16_t length;
char buf[sizeof("64000 64000")];
/*
* OPT records do not have a text format.
*/
REQUIRE(rdata->type == 41);
UNUSED(rdata);
UNUSED(tctx);
UNUSED(target);
dns_rdata_toregion(rdata, &r);
while (r.length > 0) {
option = uint16_fromregion(&r);
isc_region_consume(&r, 2);
length = uint16_fromregion(&r);
isc_region_consume(&r, 2);
sprintf(buf, "%u %u", option, length);
RETERR(str_totext(buf, target));
INSIST(r.length >= length);
if (length > 0) {
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
RETERR(str_totext(" (", target));
RETERR(str_totext(tctx->linebreak, target));
or = r;
or.length = length;
RETERR(isc_base64_totext(&or, tctx->width - 2,
tctx->linebreak, target));
isc_region_consume(&r, length);
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
RETERR(str_totext(" )", target));
}
if (r.length > 0)
RETERR(str_totext(" ", target));
}
return (ISC_R_NOTIMPLEMENTED);
return (ISC_R_SUCCESS);
}
static inline isc_result_t