time.h

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/*
 * Copyright (c) 2017 Intel Corporation
 * Copyright (c) 2019 Peter Bigot Consulting, LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_TIME_H_
#define ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_TIME_H_
 
#include <stdint.h>
#include <zephyr/toolchain.h>
#include <sys/_types.h>
#include <sys/_timespec.h>
 
/* Minimal time.h to fulfill the requirements of certain libraries
 * like mbedTLS and to support time APIs.
 */
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct tm {
        int tm_sec;
        int tm_min;
        int tm_hour;
        int tm_mday;
        int tm_mon;
        int tm_year;
        int tm_wday;
        int tm_yday;
        int tm_isdst;
};
 
#if !defined(__time_t_defined)
#define __time_t_defined
typedef _TIME_T_ time_t;
#endif
 
#if !defined(__suseconds_t_defined)
#define __suseconds_t_defined
typedef _SUSECONDS_T_ suseconds_t;
#endif
 
/*
 * Conversion between civil time and UNIX time.  The companion
 * mktime() is not provided here since it
 * require access to time zone information.
 *
 * The localtime() & localtime_r() simply
 * wraps around the gmtime() & gmtime_r() functions, the
 * results are always expressed as UTC.
 */
struct tm *gmtime(const time_t *timep);
struct tm *gmtime_r(const time_t *ZRESTRICT timep,
                    struct tm *ZRESTRICT result);
char *asctime(const struct tm *timeptr);
struct tm *localtime(const time_t *timer);
char *ctime(const time_t *clock);
char *asctime_r(const struct tm *ZRESTRICT tp, char *ZRESTRICT buf);
char *ctime_r(const time_t *clock, char *buf);
struct tm *localtime_r(const time_t *ZRESTRICT timer, struct tm *ZRESTRICT result);
 
time_t time(time_t *tloc);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_STDIO_H_ */