/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef DNS_FIXEDNAME_H

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#define DNS_FIXEDNAME_H 1

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/*****

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***** Module Info

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*****/

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/*! \file dns/fixedname.h

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* \brief

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* Fixed-size Names

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*

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* dns_fixedname_t is a convenience type containing a name, an offsets

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* table, and a dedicated buffer big enough for the longest possible

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* name. This is typically used for stack-allocated names.

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*

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* MP:

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*\li The caller must ensure any required synchronization.

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*

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* Reliability:

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*\li No anticipated impact.

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*

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* Resources:

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*\li Per dns_fixedname_t:

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*\code

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* sizeof(dns_name_t) + sizeof(dns_offsets_t) +

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* sizeof(isc_buffer_t) + 255 bytes + structure padding

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*\endcode

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*

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* Security:

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*\li No anticipated impact.

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*

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* Standards:

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*\li None.

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*/

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/*****

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***** Imports

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*****/

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#include <isc/buffer.h>

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#include <isc/lang.h>

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#include <dns/name.h>

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/*****

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***** Types

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*****/

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struct dns_fixedname {

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dns_name_t name;

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dns_offsets_t offsets;

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isc_buffer_t buffer;

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unsigned char data[DNS_NAME_MAXWIRE];

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};

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ISC_LANG_BEGINDECLS

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void

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dns_fixedname_init(dns_fixedname_t *fixed);

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void

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dns_fixedname_invalidate(dns_fixedname_t *fixed);

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dns_name_t *

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dns_fixedname_name(dns_fixedname_t *fixed);

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dns_name_t *

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dns_fixedname_initname(dns_fixedname_t *fixed);

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ISC_LANG_ENDDECLS

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#endif /* DNS_FIXEDNAME_H */

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