1/*	$OpenBSD: calendar.h,v 1.17 2019/02/01 16:22:53 millert Exp $	*/
2
3/*
4 * Copyright (c) 1989, 1993, 1994
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32
33extern struct passwd *pw;
34extern int doall;
35extern int daynames;
36extern int bodun_always;
37extern time_t f_time;
38extern struct tm *tp;
39extern char *calendarFile;
40extern char *calendarHome;
41extern char *optarg;
42
43struct fixs {
44	char *name;
45	int len;
46};
47
48#define PRINT_DATE_BASE_LEN 35
49
50struct event {
51	time_t	when;
52	char	print_date[PRINT_DATE_BASE_LEN+1];
53	char	**desc;
54	char	*ldesc;
55	struct event	*next;
56};
57
58struct match {
59	time_t	when;
60	char	print_date[PRINT_DATE_BASE_LEN];
61	int	bodun;
62	int	var;
63	struct match	*next;
64};
65
66struct specialev {
67	char *name;
68	int nlen;
69	char *uname;
70	int ulen;
71	int (*getev)(int);
72};
73
74void	 cal(void);
75void	 closecal(FILE *);
76int	 getday(char *);
77int	 getdayvar(char *);
78int	 getfield(char *, char **, int *);
79int	 getmonth(char *);
80int	 pesach(int);
81int	 easter(int);
82int	 paskha(int);
83void	 insert(struct event **, struct event *);
84struct match	*isnow(char *, int);
85FILE	*opencal(void);
86void	 settime(time_t *);
87time_t	 Mktime(char *);
88void	 usage(void);
89int	 foy(int);
90void	 variable_weekday(int *, int, int);
91void	 setnnames(void);
92
93/* some flags */
94#define	F_ISMONTH	0x01 /* month (Januar ...) */
95#define	F_ISDAY		0x02 /* day of week (Sun, Mon, ...) */
96/*#define	F_ISDAYVAR	0x04  variables day of week, like SundayLast */
97#define	F_SPECIAL	0x08 /* Events that occur once a year but don't track
98			      * calendar time--e.g.  Easter or easter depending
99			      * days */
100
101#define	SECSPERDAY	(24 * 60 * 60)
102#define	isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
103
104extern int f_dayAfter;	/* days after current date */
105extern int f_dayBefore;	/* days before current date */
106extern int f_Setday;	/* calendar invoked with -A or -B */
107
108/* Special events; see also setnnames() in day.c */
109/* '=' is not a valid character in a special event name */
110#define PESACH "pesach"
111#define PESACHLEN (sizeof(PESACH) - 1)
112#define EASTER "easter"
113#define EASTERNAMELEN (sizeof(EASTER) - 1)
114#define PASKHA "paskha"
115#define PASKHALEN (sizeof(PASKHA) - 1)
116
117/* calendars */
118extern enum calendars { GREGORIAN = 0, JULIAN, LUNAR } calendar;
119extern u_long julian;
120
121#define NUMEV 3	/* Total number of such special events */
122extern struct specialev spev[NUMEV];
123
124/* For calendar -a, specify a maximum time (in seconds) to spend parsing
125 * each user's calendar files.  This prevents them from hanging calendar
126 * (e.g. by using named pipes)
127 */
128#define USERTIMEOUT 20
129