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/*
* Copyright (C) 2023 Andrey V.Kosteltsev <kx@radix.pro>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __RCL_TIME_UTILS_H__
#define __RCL_TIME_UTILS_H__
#include "config.h"
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <fcntl.h>
#include <linux/rtc.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/timex.h>
#include <sys/types.h>
#include <unistd.h>
#include <glib.h>
#include <glib-unix.h>
#include <glib/gstdio.h>
#include <glib/gi18n-lib.h>
#include <locale.h>
#define USEC_INFINITY ((guint64) UINT64_MAX)
#define NSEC_INFINITY ((guint64) UINT64_MAX)
#define MSEC_PER_SEC 1000ULL
#define USEC_PER_SEC ((guint64) 1000000ULL)
#define USEC_PER_MSEC ((guint64) 1000ULL)
#define NSEC_PER_SEC ((guint64) 1000000000ULL)
#define NSEC_PER_MSEC ((guint64) 1000000ULL)
#define NSEC_PER_USEC ((guint64) 1000ULL)
#define USEC_PER_MINUTE ((guint64) (60ULL*USEC_PER_SEC))
#define NSEC_PER_MINUTE ((guint64) (60ULL*NSEC_PER_SEC))
#define USEC_PER_HOUR ((guint64) (60ULL*USEC_PER_MINUTE))
#define NSEC_PER_HOUR ((guint64) (60ULL*NSEC_PER_MINUTE))
#define USEC_PER_DAY ((guint64) (24ULL*USEC_PER_HOUR))
#define NSEC_PER_DAY ((guint64) (24ULL*NSEC_PER_HOUR))
#define USEC_PER_WEEK ((guint64) (7ULL*USEC_PER_DAY))
#define NSEC_PER_WEEK ((guint64) (7ULL*NSEC_PER_DAY))
#define USEC_PER_MONTH ((guint64) (2629800ULL*USEC_PER_SEC))
#define NSEC_PER_MONTH ((guint64) (2629800ULL*NSEC_PER_SEC))
#define USEC_PER_YEAR ((guint64) (31557600ULL*USEC_PER_SEC))
#define NSEC_PER_YEAR ((guint64) (31557600ULL*NSEC_PER_SEC))
#define TIME_T_MAX (time_t)((UINTMAX_C(1) << ((sizeof(time_t) << 3) - 1)) - 1)
#define SYSTEM_ZONEINFO_DIR "/usr/share/zoneinfo"
#define NULL_ADJTIME_UTC "0.0 0 0.0\n0\nUTC\n"
#define NULL_ADJTIME_LOCAL "0.0 0 0.0\n0\nLOCAL\n"
#if !defined( HWCLOCK_CONF )
#define HWCLOCK_CONF "/etc/hardwareclock"
#endif
#if !defined( ADJTIME_CONF )
#define ADJTIME_CONF "/etc/adjtime"
#endif
extern gboolean ntp_synchronized ( void );
extern guint64 timespec_load ( const struct timespec *ts );
extern guint64 timespec_load_nsec ( const struct timespec *ts );
extern struct timespec *timespec_store ( struct timespec *ts, guint64 u );
extern struct timespec *timespec_store_nsec ( struct timespec *ts, guint64 n );
extern guint64 timeval_load ( const struct timeval *tv );
extern struct timeval *timeval_store ( struct timeval *tv, guint64 u );
extern guint64 now ( clockid_t clock_id );
extern guint64 now_nsec ( clockid_t clock_id );
extern struct tm *localtime_or_gmtime_r ( const time_t *t, struct tm *tm, gboolean utc );
extern time_t mktime_or_timegm ( struct tm *tm, gboolean utc );
extern gboolean clock_get_hwclock ( struct tm *tm );
extern gboolean clock_set_hwclock ( const struct tm *tm );
extern gboolean clock_set_timezone ( int *ret_minutesdelta );
extern gboolean timezone_is_valid ( const gchar *name );
extern gboolean set_system_timezone ( const gchar *name );
extern gboolean get_system_timezone ( gchar **ret );
extern gboolean write_data_local_rtc ( gboolean local_rtc );
extern gboolean read_data_local_rtc ( gboolean *local_rtc );
#endif /* __RCL_TIME_UTILS_H__ */
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