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lib/dns/include/dns/dsdigest.h

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Mark Andrews 2012-10-03 14:47:30 +10:00
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/*
* Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id$ */
#ifndef DNS_DSDIGEST_H
#define DNS_DSDIGEST_H 1
/*! \file dns/dsdigest.h */
#include <isc/lang.h>
#include <dns/types.h>
ISC_LANG_BEGINDECLS
isc_result_t
dns_dsdigest_fromtext(dns_dsdigest_t *dsdigestp, isc_textregion_t *source);
/*%<
* Convert the text 'source' refers to into a DS/DLV digest type value.
* The text may contain either a mnemonic digest name or a decimal
* digest number.
*
* Requires:
*\li 'dsdigestp' is a valid pointer.
*
*\li 'source' is a valid text region.
*
* Returns:
*\li ISC_R_SUCCESS on success
*\li ISC_R_RANGE numeric type is out of range
*\li DNS_R_UNKNOWN mnemonic type is unknown
*/
isc_result_t
dns_dsdigest_totext(dns_dsdigest_t dsdigest, isc_buffer_t *target);
/*%<
* Put a textual representation of the DS/DLV digest type 'dsdigest'
* into 'target'.
*
* Requires:
*\li 'dsdigest' is a valid dsdigest.
*
*\li 'target' is a valid text buffer.
*
* Ensures,
* if the result is success:
*\li The used space in 'target' is updated.
*
* Returns:
*\li ISC_R_SUCCESS on success
*\li ISC_R_NOSPACE target buffer is too small
*/
#define DNS_DSDIGEST_FORMATSIZE 20
void
dns_dsdigest_format(dns_dsdigest_t typ, char *cp, unsigned int size);
/*%<
* Wrapper for dns_dsdigest_totext(), writing text into 'cp'
*/
ISC_LANG_ENDDECLS
#endif /* DNS_DSDIGEST_H */