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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file dns/rdatatype.h */
#include <isc/lang.h>
#include <dns/types.h>
ISC_LANG_BEGINDECLS
isc_result_t
dns_rdatatype_fromtext(dns_rdatatype_t *typep, isc_textregion_t *source);
/*%<
* Convert the text 'source' refers to into a DNS rdata type.
*
* Requires:
*\li 'typep' is a valid pointer.
*
*\li 'source' is a valid text region.
*
* Returns:
*\li ISC_R_SUCCESS on success
*\li DNS_R_UNKNOWN type is unknown
*/
isc_result_t
dns_rdatatype_totext(dns_rdatatype_t type, isc_buffer_t *target);
/*%<
* Put a textual representation of type 'type' into 'target'.
*
* Requires:
*\li 'type' is a valid type.
*
*\li 'target' is a valid text buffer.
*
* Ensures,
* if the result is success:
*\li The used space in 'target' is updated.
*
* Returns:
*\li #ISC_R_SUCCESS on success
*\li #ISC_R_NOSPACE target buffer is too small
*/
isc_result_t
dns_rdatatype_tounknowntext(dns_rdatatype_t type, isc_buffer_t *target);
/*%<
* Put textual RFC3597 TYPEXXXX representation of type 'type' into
* 'target'.
*
* Requires:
*\li 'type' is a valid type.
*
*\li 'target' is a valid text buffer.
*
* Ensures,
* if the result is success:
*\li The used space in 'target' is updated.
*
* Returns:
*\li #ISC_R_SUCCESS on success
*\li #ISC_R_NOSPACE target buffer is too small
*/
void
dns_rdatatype_format(dns_rdatatype_t rdtype, char *array, unsigned int size);
/*%<
* Format a human-readable representation of the type 'rdtype'
* into the character array 'array', which is of size 'size'.
* The resulting string is guaranteed to be null-terminated.
*/
#define DNS_RDATATYPE_FORMATSIZE sizeof("NSEC3PARAM")
/*%<
* Minimum size of array to pass to dns_rdatatype_format().
* May need to be adjusted if a new RR type with a very long
* name is defined.
*/
ISC_LANG_ENDDECLS
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