src/shared/calendarspec.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 /* A structure for specifying (possibly repetitive) points in calendar
   5  * time, a la cron */
   6
   7 #include <stdbool.h>
   8
   9 #include "time-util.h"
  10
  11 typedef struct CalendarComponent {
  12         int start;
  13         int stop;
  14         int repeat;
  15
  16         struct CalendarComponent *next;
  17 } CalendarComponent;
  18
  19 typedef struct CalendarSpec {
  20         int weekdays_bits;
  21         bool end_of_month:1;
  22         bool utc:1;
  23         signed int dst:2;
  24         char *timezone;
  25
  26         CalendarComponent *year;
  27         CalendarComponent *month;
  28         CalendarComponent *day;
  29
  30         CalendarComponent *hour;
  31         CalendarComponent *minute;
  32         CalendarComponent *microsecond;
  33 } CalendarSpec;
  34
  35 CalendarSpec* calendar_spec_free(CalendarSpec *c);
  36
  37 bool calendar_spec_valid(CalendarSpec *spec);
  38
  39 int calendar_spec_to_string(const CalendarSpec *spec, char **ret);
  40 int calendar_spec_from_string(const char *p, CalendarSpec **ret);
  41
  42 int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next);
  43
  44 DEFINE_TRIVIAL_CLEANUP_FUNC(CalendarSpec*, calendar_spec_free);