xref: /netbsd-src/external/mpl/dhcp/bind/dist/lib/dns/include/dns/dsdigest.h (revision 4afad4b7fa6d4a0d3dedf41d1587a7250710ae54)
1*4afad4b7Schristos /*	$NetBSD: dsdigest.h,v 1.1 2024/02/18 20:57:36 christos Exp $	*/
2*4afad4b7Schristos 
3*4afad4b7Schristos /*
4*4afad4b7Schristos  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5*4afad4b7Schristos  *
6*4afad4b7Schristos  * SPDX-License-Identifier: MPL-2.0
7*4afad4b7Schristos  *
8*4afad4b7Schristos  * This Source Code Form is subject to the terms of the Mozilla Public
9*4afad4b7Schristos  * License, v. 2.0. If a copy of the MPL was not distributed with this
10*4afad4b7Schristos  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11*4afad4b7Schristos  *
12*4afad4b7Schristos  * See the COPYRIGHT file distributed with this work for additional
13*4afad4b7Schristos  * information regarding copyright ownership.
14*4afad4b7Schristos  */
15*4afad4b7Schristos 
16*4afad4b7Schristos #ifndef DNS_DSDIGEST_H
17*4afad4b7Schristos #define DNS_DSDIGEST_H 1
18*4afad4b7Schristos 
19*4afad4b7Schristos /*! \file dns/dsdigest.h */
20*4afad4b7Schristos 
21*4afad4b7Schristos #include <isc/lang.h>
22*4afad4b7Schristos 
23*4afad4b7Schristos #include <dns/types.h>
24*4afad4b7Schristos 
25*4afad4b7Schristos ISC_LANG_BEGINDECLS
26*4afad4b7Schristos 
27*4afad4b7Schristos isc_result_t
28*4afad4b7Schristos dns_dsdigest_fromtext(dns_dsdigest_t *dsdigestp, isc_textregion_t *source);
29*4afad4b7Schristos /*%<
30*4afad4b7Schristos  * Convert the text 'source' refers to into a DS digest type value.
31*4afad4b7Schristos  * The text may contain either a mnemonic digest name or a decimal
32*4afad4b7Schristos  * digest number.
33*4afad4b7Schristos  *
34*4afad4b7Schristos  * Requires:
35*4afad4b7Schristos  *\li	'dsdigestp' is a valid pointer.
36*4afad4b7Schristos  *
37*4afad4b7Schristos  *\li	'source' is a valid text region.
38*4afad4b7Schristos  *
39*4afad4b7Schristos  * Returns:
40*4afad4b7Schristos  *\li	ISC_R_SUCCESS			on success
41*4afad4b7Schristos  *\li	ISC_R_RANGE			numeric type is out of range
42*4afad4b7Schristos  *\li	DNS_R_UNKNOWN			mnemonic type is unknown
43*4afad4b7Schristos  */
44*4afad4b7Schristos 
45*4afad4b7Schristos isc_result_t
46*4afad4b7Schristos dns_dsdigest_totext(dns_dsdigest_t dsdigest, isc_buffer_t *target);
47*4afad4b7Schristos /*%<
48*4afad4b7Schristos  * Put a textual representation of the DS digest type 'dsdigest'
49*4afad4b7Schristos  * into 'target'.
50*4afad4b7Schristos  *
51*4afad4b7Schristos  * Requires:
52*4afad4b7Schristos  *\li	'dsdigest' is a valid dsdigest.
53*4afad4b7Schristos  *
54*4afad4b7Schristos  *\li	'target' is a valid text buffer.
55*4afad4b7Schristos  *
56*4afad4b7Schristos  * Ensures,
57*4afad4b7Schristos  *	if the result is success:
58*4afad4b7Schristos  *\li		The used space in 'target' is updated.
59*4afad4b7Schristos  *
60*4afad4b7Schristos  * Returns:
61*4afad4b7Schristos  *\li	ISC_R_SUCCESS			on success
62*4afad4b7Schristos  *\li	ISC_R_NOSPACE			target buffer is too small
63*4afad4b7Schristos  */
64*4afad4b7Schristos 
65*4afad4b7Schristos #define DNS_DSDIGEST_FORMATSIZE 20
66*4afad4b7Schristos void
67*4afad4b7Schristos dns_dsdigest_format(dns_dsdigest_t typ, char *cp, unsigned int size);
68*4afad4b7Schristos /*%<
69*4afad4b7Schristos  * Wrapper for dns_dsdigest_totext(), writing text into 'cp'
70*4afad4b7Schristos  */
71*4afad4b7Schristos 
72*4afad4b7Schristos ISC_LANG_ENDDECLS
73*4afad4b7Schristos 
74*4afad4b7Schristos #endif /* DNS_DSDIGEST_H */
75