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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef DNS_TIME_H
#define DNS_TIME_H 1
/*! \file dns/time.h */
/***
*** Imports
***/
#include <inttypes.h>
#include <isc/buffer.h>
#include <isc/lang.h>
ISC_LANG_BEGINDECLS
/***
*** Functions
***/
isc_result_t
dns_time64_fromtext(const char *source, int64_t *target);
/*%<
* Convert a date and time in YYYYMMDDHHMMSS text format at 'source'
* into to a 64-bit count of seconds since Jan 1 1970 0:00 GMT.
* Store the count at 'target'.
*/
isc_result_t
dns_time32_fromtext(const char *source, uint32_t *target);
/*%<
* Like dns_time64_fromtext, but returns the second count modulo 2^32
* as per RFC2535.
*/
isc_result_t
dns_time64_totext(int64_t value, isc_buffer_t *target);
/*%<
* Convert a 64-bit count of seconds since Jan 1 1970 0:00 GMT into
* a YYYYMMDDHHMMSS text representation and append it to 'target'.
*/
isc_result_t
dns_time32_totext(uint32_t value, isc_buffer_t *target);
/*%<
* Like dns_time64_totext, but for a 32-bit cyclic time value.
* Of those dates whose counts of seconds since Jan 1 1970 0:00 GMT
* are congruent with 'value' modulo 2^32, the one closest to the
* current date is chosen.
*/
int64_t
dns_time64_from32(uint32_t value);
/*%<
* Covert a 32-bit cyclic time value into a 64 bit time stamp.
*/
ISC_LANG_ENDDECLS
#endif /* DNS_TIME_H */
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