1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2020 The DragonFly Project. All rights reserved. 5 * Copyright (c) 1989, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to The DragonFly Project 9 * by Aaron LI <aly@aaronly.me> 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $FreeBSD: head/usr.bin/calendar/calendar.h 326025 2017-11-20 19:49:47Z pfg $ 36 */ 37 38 #ifndef CALENDAR_H_ 39 #define CALENDAR_H_ 40 41 #include <stdbool.h> 42 #include <stddef.h> 43 44 #ifndef __unused 45 #define __unused __attribute__((__unused__)) 46 #endif 47 #ifndef __daed2 48 #define __dead2 __attribute__((__noreturn__)) 49 #endif 50 51 /* 52 * Maximum number of repeats of an event. 100 should be enough, which is 53 * about the number of weeks in 2 years). If you need more, then you may 54 * be using this program wrong... 55 */ 56 #define CAL_MAX_REPEAT 100 57 58 #define DPRINTF(...) \ 59 if (Options.debug) fprintf(stderr, __VA_ARGS__) 60 #define DPRINTF2(...) \ 61 if (Options.debug >= 2) fprintf(stderr, __VA_ARGS__) 62 #define DPRINTF3(...) \ 63 if (Options.debug >= 3) fprintf(stderr, __VA_ARGS__) 64 65 66 struct location; 67 struct cal_day; 68 69 struct cal_options { 70 struct location *location; 71 double time; /* [0, 1) time of now in unit of days */ 72 int today; /* R.D. of today to remind events */ 73 int day_begin; /* beginning of date range to remind events */ 74 int day_end; /* end of date range to remind events */ 75 int debug; /* debug log level (higher means more verbose) */ 76 bool allmode; /* whether to process calendars for all users */ 77 }; 78 79 /* IDs of supported calendars */ 80 enum { 81 CAL_GREGORIAN, 82 CAL_JULIAN, 83 CAL_CHINESE, 84 }; 85 86 struct calendar { 87 int id; /* enum ID of the calendar */ 88 const char *name; 89 int (*format_date)(char *buf, size_t size, int rd); 90 int (*find_days_ymd)(int year, int month, int day, 91 struct cal_day **dayp, char **edp); 92 int (*find_days_dom)(int dom, struct cal_day **dayp, char **edp); 93 int (*find_days_month)(int month, struct cal_day **dayp, 94 char **edp); 95 int (*find_days_mdow)(int month, int dow, int index, 96 struct cal_day **dayp, char **edp); 97 }; 98 99 extern struct cal_options Options; 100 extern struct calendar *Calendar; 101 extern const char *calendarDirs[]; /* paths to search for calendar files */ 102 103 bool set_calendar(const char *name); 104 105 #endif 106