time.h revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/*
* Copyright (C) 1999, 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM 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: time.h,v 1.8 2000/08/01 01:24:46 tale Exp $ */
#ifndef DNS_TIME_H
#define DNS_TIME_H 1
/***
*** Imports
***/
#include <isc/buffer.h>
#include <isc/lang.h>
ISC_LANG_BEGINDECLS
/***
*** Functions
***/
isc_result_t
dns_time64_fromtext(char *source, isc_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(char *source, isc_uint32_t *target);
/*
* Like dns_time64_fromtext, but returns the second count modulo 2^32
* as per RFC2535.
*/
isc_result_t
dns_time64_totext(isc_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(isc_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.
*/
ISC_LANG_ENDDECLS
#endif /* DNS_TIME_H */