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/contrib/bind9/lib/dns/include/dns/rdataclass.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 81 lines | 15 code | 12 blank | 54 comment | 0 complexity | cd6828c58f42d9480f13b56f51cbb172 MD5 | raw file
 1/*
 2 * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
 3 * Copyright (C) 1998-2001  Internet Software Consortium.
 4 *
 5 * Permission to use, copy, modify, and/or 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.
 8 *
 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.
16 */
17
18/* $Id: rdataclass.h,v 1.24 2007/06/19 23:47:17 tbox Exp $ */
19
20#ifndef DNS_RDATACLASS_H
21#define DNS_RDATACLASS_H 1
22
23/*! \file dns/rdataclass.h */
24
25#include <isc/lang.h>
26
27#include <dns/types.h>
28
29ISC_LANG_BEGINDECLS
30
31isc_result_t
32dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source);
33/*%<
34 * Convert the text 'source' refers to into a DNS class.
35 *
36 * Requires:
37 *\li	'classp' is a valid pointer.
38 *
39 *\li	'source' is a valid text region.
40 *
41 * Returns:
42 *\li	#ISC_R_SUCCESS			on success
43 *\li	#DNS_R_UNKNOWN			class is unknown
44 */
45
46isc_result_t
47dns_rdataclass_totext(dns_rdataclass_t rdclass, isc_buffer_t *target);
48/*%<
49 * Put a textual representation of class 'rdclass' into 'target'.
50 *
51 * Requires:
52 *\li	'rdclass' is a valid class.
53 *
54 *\li	'target' is a valid text buffer.
55 *
56 * Ensures,
57 *	if the result is success:
58 *\li		The used space in 'target' is updated.
59 *
60 * Returns:
61 *\li	#ISC_R_SUCCESS			on success
62 *\li	#ISC_R_NOSPACE			target buffer is too small
63 */
64
65void
66dns_rdataclass_format(dns_rdataclass_t rdclass,
67		      char *array, unsigned int size);
68/*%<
69 * Format a human-readable representation of the class 'rdclass'
70 * into the character array 'array', which is of size 'size'.
71 * The resulting string is guaranteed to be null-terminated.
72 */
73
74#define DNS_RDATACLASS_FORMATSIZE sizeof("CLASS65535")
75/*%<
76 * Minimum size of array to pass to dns_rdataclass_format().
77 */
78
79ISC_LANG_ENDDECLS
80
81#endif /* DNS_RDATACLASS_H */