calendarspec.h revision 71d35b6b5563817dfbe757ab9e3b9f018b2db491
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2012 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
/* A structure for specifying (possibly repetitive) points in calendar
* time, a la cron */
#include <stdbool.h>
#include "util.h"
typedef struct CalendarComponent {
int value;
int repeat;
struct CalendarComponent *next;
} CalendarComponent;
typedef struct CalendarSpec {
int weekdays_bits;
bool utc;
CalendarComponent *year;
CalendarComponent *month;
CalendarComponent *day;
CalendarComponent *hour;
CalendarComponent *minute;
CalendarComponent *microsecond;
} CalendarSpec;
void calendar_spec_free(CalendarSpec *c);
int calendar_spec_normalize(CalendarSpec *spec);
bool calendar_spec_valid(CalendarSpec *spec);
int calendar_spec_to_string(const CalendarSpec *spec, char **p);
int calendar_spec_from_string(const char *p, CalendarSpec **spec);
int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next);