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/* $OpenBSD: posix_time.h,v 1.1 2024/02/18 16:28:38 tb Exp $ */
/*
* Copyright (c) 2022, Google Inc.
*
* 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
*/
#ifndef OPENSSL_HEADER_POSIX_TIME_H
#define OPENSSL_HEADER_POSIX_TIME_H
#include <stdint.h>
#include <time.h>
#if defined(__cplusplus)
extern "C" {
#endif
/*
* OPENSSL_posix_to_tm converts a int64_t POSIX time value in |time|, which must
* be in the range of year 0000 to 9999, to a broken out time value in |tm|. It
* returns one on success and zero on error.
*/
int OPENSSL_posix_to_tm(int64_t time, struct tm *out_tm);
/*
* OPENSSL_tm_to_posix converts a time value between the years 0 and 9999 in
* |tm| to a POSIX time value in |out|. One is returned on success, zero is
* returned on failure. It is a failure if |tm| contains out of range values.
*/
int OPENSSL_tm_to_posix(const struct tm *tm, int64_t *out);
/*
* OPENSSL_timegm converts a time value between the years 0 and 9999 in |tm| to
* a time_t value in |out|. One is returned on success, zero is returned on
* failure. It is a failure if the converted time can not be represented in a
* time_t, or if the tm contains out of range values.
*/
int OPENSSL_timegm(const struct tm *tm, time_t *out);
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_POSIX_TIME_H */
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