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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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.
*/
#ifndef DNS_FIXEDNAME_H
#define DNS_FIXEDNAME_H 1
/*****
***** Module Info
*****/
/*! \file dns/fixedname.h
* \brief
* Fixed-size Names
*
* dns_fixedname_t is a convenience type containing a name, an offsets
* table, and a dedicated buffer big enough for the longest possible
* name. This is typically used for stack-allocated names.
*
* MP:
*\li The caller must ensure any required synchronization.
*
* Reliability:
*\li No anticipated impact.
*
* Resources:
*\li Per dns_fixedname_t:
*\code
* sizeof(dns_name_t) + sizeof(dns_offsets_t) +
* sizeof(isc_buffer_t) + 255 bytes + structure padding
*\endcode
*
* Security:
*\li No anticipated impact.
*
* Standards:
*\li None.
*/
/*****
***** Imports
*****/
#include <isc/buffer.h>
#include <isc/lang.h>
#include <dns/name.h>
/*****
***** Types
*****/
struct dns_fixedname {
dns_name_t name;
dns_offsets_t offsets;
isc_buffer_t buffer;
unsigned char data[DNS_NAME_MAXWIRE];
};
ISC_LANG_BEGINDECLS
void
dns_fixedname_init(dns_fixedname_t *fixed);
void
dns_fixedname_invalidate(dns_fixedname_t *fixed);
dns_name_t *
dns_fixedname_name(dns_fixedname_t *fixed);
dns_name_t *
dns_fixedname_initname(dns_fixedname_t *fixed);
ISC_LANG_ENDDECLS
#endif /* DNS_FIXEDNAME_H */