Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#ifndef ZABBIX_TIME_H

#define ZABBIX_TIME_H

​

#include "zbxcommon.h"

​

typedef struct

{

    int sec;    /* seconds */

    int ns; /* nanoseconds */

}

zbx_timespec_t;

​

/* time zone offset */

typedef struct

{

    char    tz_sign;    /* '+' or '-' */

    int tz_hour;

    int tz_min;

}

zbx_timezone_t;

​

#define zbx_timespec_compare(t1, t2)    \

    ((t1)->sec == (t2)->sec ? (t1)->ns - (t2)->ns : (t1)->sec - (t2)->sec)

​

typedef enum

{

    ZBX_TIME_UNIT_UNKNOWN,

    ZBX_TIME_UNIT_SECOND,

    ZBX_TIME_UNIT_MINUTE,

    ZBX_TIME_UNIT_HOUR,

    ZBX_TIME_UNIT_DAY,

    ZBX_TIME_UNIT_WEEK,

    ZBX_TIME_UNIT_MONTH,

    ZBX_TIME_UNIT_YEAR,

    ZBX_TIME_UNIT_ISOYEAR,

    ZBX_TIME_UNIT_COUNT

}

zbx_time_unit_t;

​

double      zbx_time(void);

void        zbx_timespec(zbx_timespec_t *ts);

double      zbx_current_time(void);

int     zbx_is_leap_year(int year);

void        zbx_get_time(struct tm *tm, long *milliseconds, zbx_timezone_t *tz);

long        zbx_get_timezone_offset(time_t t, struct tm *tm);

struct tm   *zbx_localtime(const time_t *time, const char *tz);

const struct tm *zbx_localtime_now(const time_t *time);

int     zbx_utc_time(int year, int mon, int mday, int hour, int min, int sec, int *t);

int     zbx_day_in_month(int year, int mon);