1*f21279a1Stb /* $OpenBSD: posix_time.h,v 1.1 2024/02/18 16:28:38 tb Exp $ */ 2*f21279a1Stb /* 3*f21279a1Stb * Copyright (c) 2022, Google Inc. 4*f21279a1Stb * 5*f21279a1Stb * Permission to use, copy, modify, and/or distribute this software for any 6*f21279a1Stb * purpose with or without fee is hereby granted, provided that the above 7*f21279a1Stb * copyright notice and this permission notice appear in all copies. 8*f21279a1Stb * 9*f21279a1Stb * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10*f21279a1Stb * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11*f21279a1Stb * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 12*f21279a1Stb * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13*f21279a1Stb * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 14*f21279a1Stb * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 15*f21279a1Stb * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16*f21279a1Stb */ 17*f21279a1Stb 18*f21279a1Stb #ifndef OPENSSL_HEADER_POSIX_TIME_H 19*f21279a1Stb #define OPENSSL_HEADER_POSIX_TIME_H 20*f21279a1Stb 21*f21279a1Stb #include <stdint.h> 22*f21279a1Stb #include <time.h> 23*f21279a1Stb 24*f21279a1Stb #if defined(__cplusplus) 25*f21279a1Stb extern "C" { 26*f21279a1Stb #endif 27*f21279a1Stb 28*f21279a1Stb /* 29*f21279a1Stb * OPENSSL_posix_to_tm converts a int64_t POSIX time value in |time|, which must 30*f21279a1Stb * be in the range of year 0000 to 9999, to a broken out time value in |tm|. It 31*f21279a1Stb * returns one on success and zero on error. 32*f21279a1Stb */ 33*f21279a1Stb int OPENSSL_posix_to_tm(int64_t time, struct tm *out_tm); 34*f21279a1Stb 35*f21279a1Stb /* 36*f21279a1Stb * OPENSSL_tm_to_posix converts a time value between the years 0 and 9999 in 37*f21279a1Stb * |tm| to a POSIX time value in |out|. One is returned on success, zero is 38*f21279a1Stb * returned on failure. It is a failure if |tm| contains out of range values. 39*f21279a1Stb */ 40*f21279a1Stb int OPENSSL_tm_to_posix(const struct tm *tm, int64_t *out); 41*f21279a1Stb 42*f21279a1Stb /* 43*f21279a1Stb * OPENSSL_timegm converts a time value between the years 0 and 9999 in |tm| to 44*f21279a1Stb * a time_t value in |out|. One is returned on success, zero is returned on 45*f21279a1Stb * failure. It is a failure if the converted time can not be represented in a 46*f21279a1Stb * time_t, or if the tm contains out of range values. 47*f21279a1Stb */ 48*f21279a1Stb int OPENSSL_timegm(const struct tm *tm, time_t *out); 49*f21279a1Stb 50*f21279a1Stb #if defined(__cplusplus) 51*f21279a1Stb } /* extern C */ 52*f21279a1Stb #endif 53*f21279a1Stb 54*f21279a1Stb #endif /* OPENSSL_HEADER_POSIX_TIME_H */ 55