89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
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* Copyright (C) 1999 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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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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/*
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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 table,
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* and a dedicated buffer big enough for the longest possible name.
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*
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* MP:
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* The caller must ensure any required synchronization.
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*
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* Reliability:
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* No anticipated impact.
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*
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* Resources:
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* Per dns_fixedname_t:
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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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*
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* Security:
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* No anticipated impact.
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*
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* Standards:
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* 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/types.h>
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#include <dns/name.h>
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#include <dns/result.h>
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ISC_LANG_BEGINDECLS
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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[255];
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};
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#define dns_fixedname_init(fn) \
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do { \
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dns_name_init(&((fn)->name), (fn)->offsets); \
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isc_buffer_init(&((fn)->buffer), (fn)->data, 255, \
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ISC_BUFFERTYPE_BINARY); \
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dns_name_setbuffer(&((fn)->name), &((fn)->buffer)); \
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} while (0)
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#define dns_fixedname_invalidate(fn) \
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dns_name_invalidate(&((fn)->name))
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#define dns_fixedname_name(fn) (&((fn)->name))
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ISC_LANG_ENDDECLS
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#endif /* DNS_FIXEDNAME_H */
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