2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: fixedname.h,v 1.13.18.2 2005/04/29 00:16:13 marka Exp $ */
20 #ifndef DNS_FIXEDNAME_H
21 #define DNS_FIXEDNAME_H 1
31 * dns_fixedname_t is a convenience type containing a name, an offsets table,
32 * and a dedicated buffer big enough for the longest possible name.
35 *\li The caller must ensure any required synchronization.
38 *\li No anticipated impact.
41 *\li Per dns_fixedname_t:
43 * sizeof(dns_name_t) + sizeof(dns_offsets_t) +
44 * sizeof(isc_buffer_t) + 255 bytes + structure padding
48 *\li No anticipated impact.
58 #include <isc/buffer.h>
66 struct dns_fixedname {
68 dns_offsets_t offsets;
70 unsigned char data[DNS_NAME_MAXWIRE];
73 #define dns_fixedname_init(fn) \
75 dns_name_init(&((fn)->name), (fn)->offsets); \
76 isc_buffer_init(&((fn)->buffer), (fn)->data, \
78 dns_name_setbuffer(&((fn)->name), &((fn)->buffer)); \
81 #define dns_fixedname_invalidate(fn) \
82 dns_name_invalidate(&((fn)->name))
84 #define dns_fixedname_name(fn) (&((fn)->name))
86 #endif /* DNS_FIXEDNAME_H */