xref: /openbsd/usr.bin/calendar/calendar.h (revision 891d7ab6)
1 /*	$OpenBSD: calendar.h,v 1.13 2010/04/28 18:20:15 jsg 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 
33 extern struct passwd *pw;
34 extern int doall;
35 extern int bodun_always;
36 extern time_t f_time;
37 extern struct tm *tp;
38 extern char *calendarFile;
39 extern char *calendarHome;
40 extern char *optarg;
41 
42 struct fixs {
43 	char *name;
44 	int len;
45 };
46 
47 struct event {
48 	time_t	when;
49 	char	print_date[31];
50 	char	**desc;
51 	char	*ldesc;
52 	struct event	*next;
53 };
54 
55 struct match {
56 	time_t	when;
57 	char	print_date[30];
58 	int	bodun;
59 	int	var;
60 	struct match	*next;
61 };
62 
63 struct specialev {
64 	char *name;
65 	int nlen;
66 	char *uname;
67 	int ulen;
68 	int (*getev)(int);
69 };
70 
71 void	 cal(void);
72 void	 closecal(FILE *);
73 int	 getday(char *);
74 int	 getdayvar(char *);
75 int	 getfield(char *, char **, int *);
76 int	 getmonth(char *);
77 int	 pesach(int);
78 int	 easter(int);
79 int	 paskha(int);
80 void	 insert(struct event **, struct event *);
81 struct match	*isnow(char *, int);
82 FILE	*opencal(void);
83 void	 settime(time_t *);
84 time_t	 Mktime(char *);
85 void	 usage(void);
86 int	 foy(int);
87 void	 variable_weekday(int *, int, int);
88 void	 setnnames(void);
89 
90 /* some flags */
91 #define	F_ISMONTH	0x01 /* month (Januar ...) */
92 #define	F_ISDAY		0x02 /* day of week (Sun, Mon, ...) */
93 /*#define	F_ISDAYVAR	0x04  variables day of week, like SundayLast */
94 #define	F_SPECIAL	0x08 /* Events that occur once a year but don't track
95 			      * calendar time--e.g.  Easter or easter depending
96 			      * days */
97 
98 extern int f_dayAfter;	/* days after current date */
99 extern int f_dayBefore;	/* days before current date */
100 extern int f_SetdayAfter; /* calendar invoked with -A */
101 
102 /* Special events; see also setnnames() in day.c */
103 /* '=' is not a valid character in a special event name */
104 #define PESACH "pesach"
105 #define PESACHLEN (sizeof(PESACH) - 1)
106 #define EASTER "easter"
107 #define EASTERNAMELEN (sizeof(EASTER) - 1)
108 #define PASKHA "paskha"
109 #define PASKHALEN (sizeof(PASKHA) - 1)
110 
111 /* calendars */
112 extern enum calendars { GREGORIAN = 0, JULIAN, LUNAR } calendar;
113 extern u_long julian;
114 
115 #define NUMEV 3	/* Total number of such special events */
116 extern struct specialev spev[NUMEV];
117 
118 /* For calendar -a, specify a maximum time (in seconds) to spend parsing
119  * each user's calendar files.  This prevents them from hanging calendar
120  * (e.g. by using named pipes)
121  */
122 #define USERTIMEOUT 20
123