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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 http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef DNS_TTL_H
#define DNS_TTL_H 1
/*! \file dns/ttl.h */
/***
*** Imports
***/
#include <stdbool.h>
#include <isc/lang.h>
#include <isc/types.h>
ISC_LANG_BEGINDECLS
/***
*** Functions
***/
isc_result_t
dns_ttl_totext(uint32_t src, bool verbose,
isc_buffer_t *target);
isc_result_t
dns_ttl_totext2(uint32_t src, bool verbose,
bool upcase, isc_buffer_t *target);
/*%<
* Output a TTL or other time interval in a human-readable form.
* The time interval is given as a count of seconds in 'src'.
* The text representation is appended to 'target'.
*
* If 'verbose' is false, use the terse BIND 8 style, like "1w2d3h4m5s".
*
* If 'verbose' is true, use a verbose style like the SOA comments
* in "dig", like "1 week 2 days 3 hours 4 minutes 5 seconds".
*
* If 'upcase' is true, we conform to the BIND 8 style in which
* the unit letter is capitalized if there is only a single unit
* letter to print (for example, "1m30s", but "2M")
*
* If 'upcase' is false, unit letters are always in lower case.
*
* Returns:
* \li ISC_R_SUCCESS
* \li ISC_R_NOSPACE
*/
isc_result_t
dns_counter_fromtext(isc_textregion_t *source, uint32_t *ttl);
/*%<
* Converts a counter from either a plain number or a BIND 8 style value.
*
* Returns:
*\li ISC_R_SUCCESS
*\li DNS_R_SYNTAX
*/
isc_result_t
dns_ttl_fromtext(isc_textregion_t *source, uint32_t *ttl);
/*%<
* Converts a ttl from either a plain number or a BIND 8 style value.
*
* Returns:
*\li ISC_R_SUCCESS
*\li DNS_R_BADTTL
*/
ISC_LANG_ENDDECLS
#endif /* DNS_TTL_H */
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