calendar.h revision 212035
1249259Sdim/*- 2249259Sdim * Copyright (c) 1989, 1993, 1994 3249259Sdim * The Regents of the University of California. All rights reserved. 4249259Sdim * 5249259Sdim * Redistribution and use in source and binary forms, with or without 6249259Sdim * modification, are permitted provided that the following conditions 7249259Sdim * are met: 8249259Sdim * 1. Redistributions of source code must retain the above copyright 9249259Sdim * notice, this list of conditions and the following disclaimer. 10249259Sdim * 2. Redistributions in binary form must reproduce the above copyright 11249259Sdim * notice, this list of conditions and the following disclaimer in the 12249259Sdim * documentation and/or other materials provided with the distribution. 13249259Sdim * 4. Neither the name of the University nor the names of its contributors 14249259Sdim * may be used to endorse or promote products derived from this software 15249259Sdim * without specific prior written permission. 16249259Sdim * 17249259Sdim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18249259Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19249259Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20249259Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21249259Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22249259Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23249259Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24249259Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25249259Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26249259Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27249259Sdim * SUCH DAMAGE. 28249259Sdim * 29249259Sdim * $FreeBSD: head/usr.bin/calendar/calendar.h 212035 2010-08-30 22:45:32Z edwin $ 30249259Sdim */ 31249259Sdim 32249259Sdim#include <sys/types.h> 33249259Sdim#include <sys/uio.h> 34249259Sdim 35249259Sdim#define SECSPERDAY (24 * 60 * 60) 36249259Sdim#define SECSPERHOUR (60 * 60) 37249259Sdim#define SECSPERMINUTE (60) 38249259Sdim#define MINSPERHOUR (60) 39249259Sdim#define HOURSPERDAY (24) 40249259Sdim#define FSECSPERDAY (24.0 * 60.0 * 60.0) 41249259Sdim#define FSECSPERHOUR (60.0 * 60.0) 42249259Sdim#define FSECSPERMINUTE (60.0) 43249259Sdim#define FMINSPERHOUR (60.0) 44249259Sdim#define FHOURSPERDAY (24.0) 45249259Sdim 46249259Sdim#define DAYSPERYEAR 365 47249259Sdim#define DAYSPERLEAPYEAR 366 48249259Sdim 49249259Sdim/* Not yet categorized */ 50249259Sdim 51249259Sdimextern struct passwd *pw; 52249259Sdimextern int doall; 53249259Sdimextern time_t t1, t2; 54249259Sdimextern const char *calendarFile; 55249259Sdimextern int yrdays; 56249259Sdimextern struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon; 57249259Sdimextern struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice; 58249259Sdimextern double UTCOffset; 59249259Sdimextern int EastLongitude; 60249259Sdim 61249259Sdim#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) 62249259Sdim 63249259Sdim/* Flags to determine the returned values by determinestyle() in parsedata.c */ 64249259Sdim#define F_NONE 0x00000 65249259Sdim#define F_MONTH 0x00001 66249259Sdim#define F_DAYOFWEEK 0x00002 67249259Sdim#define F_DAYOFMONTH 0x00004 68249259Sdim#define F_MODIFIERINDEX 0x00008 69249259Sdim#define F_MODIFIEROFFSET 0x00010 70249259Sdim#define F_SPECIALDAY 0x00020 71249259Sdim#define F_ALLMONTH 0x00040 72249259Sdim#define F_ALLDAY 0x00080 73249259Sdim#define F_VARIABLE 0x00100 74249259Sdim#define F_EASTER 0x00200 75249259Sdim#define F_CNY 0x00400 76249259Sdim#define F_PASKHA 0x00800 77249259Sdim#define F_NEWMOON 0x01000 78249259Sdim#define F_FULLMOON 0x02000 79249259Sdim#define F_MAREQUINOX 0x04000 80249259Sdim#define F_SEPEQUINOX 0x08000 81#define F_JUNSOLSTICE 0x10000 82#define F_DECSOLSTICE 0x20000 83#define F_YEAR 0x40000 84 85#define STRING_EASTER "Easter" 86#define STRING_PASKHA "Paskha" 87#define STRING_CNY "ChineseNewYear" 88#define STRING_NEWMOON "NewMoon" 89#define STRING_FULLMOON "FullMoon" 90#define STRING_MAREQUINOX "MarEquinox" 91#define STRING_SEPEQUINOX "SepEquinox" 92#define STRING_JUNSOLSTICE "JunSolstice" 93#define STRING_DECSOLSTICE "DecSolstice" 94 95#define MAXCOUNT 125 /* Random number of maximum number of 96 * repeats of an event. Should be 52 97 * (number of weeks per year), if you 98 * want to show two years then it 99 * should be 104. If you are seeing 100 * more than this you are using this 101 * program wrong. 102 */ 103 104/* 105 * All the astronomical calculations are carried out for the meridian 120 106 * degrees east of Greenwich. 107 */ 108#define UTCOFFSET_CNY 8.0 109 110extern int debug; /* show parsing of the input */ 111extern int year1, year2; 112 113/* events.c */ 114/* 115 * Event sorting related functions: 116 * - Use event_add() to create a new event 117 * - Use event_continue() to add more text to the last added event 118 * - Use event_print_all() to display them in time chronological order 119 */ 120struct event *event_add(int, int, int, char *, int, char *, char *); 121void event_continue(struct event *events, char *txt); 122void event_print_all(FILE *fp); 123struct event { 124 int year; 125 int month; 126 int day; 127 int var; 128 char *date; 129 char *text; 130 char *extra; 131 struct event *next; 132}; 133 134/* locale.c */ 135 136struct fixs { 137 char *name; 138 size_t len; 139}; 140 141extern const char *days[]; 142extern const char *fdays[]; 143extern const char *fmonths[]; 144extern const char *months[]; 145extern const char *sequences[]; 146extern struct fixs fndays[8]; /* full national days names */ 147extern struct fixs fnmonths[13]; /* full national months names */ 148extern struct fixs ndays[8]; /* short national days names */ 149extern struct fixs nmonths[13]; /* short national month names */ 150extern struct fixs nsequences[10]; 151 152void setnnames(void); 153void setnsequences(char *); 154 155/* day.c */ 156extern const struct tm tm0; 157extern char dayname[]; 158void settimes(time_t,int before, int after, int friday, struct tm *tp1, struct tm *tp2); 159time_t Mktime(char *); 160 161/* parsedata.c */ 162int parsedaymonth(char *, int *, int *, int *, int *, char **); 163void dodebug(char *type); 164 165/* io.c */ 166void cal(void); 167void closecal(FILE *); 168FILE *opencal(void); 169 170/* ostern.c / pashka.c */ 171int paskha(int); 172int easter(int); 173 174/* dates.c */ 175extern int cumdaytab[][14]; 176extern int mondaytab[][14]; 177extern int debug_remember; 178void generatedates(struct tm *tp1, struct tm *tp2); 179void dumpdates(void); 180int remember_ymd(int y, int m, int d); 181int remember_yd(int y, int d, int *rm, int *rd); 182int first_dayofweek_of_year(int y); 183int first_dayofweek_of_month(int y, int m); 184int walkthrough_dates(struct event **e); 185void addtodate(struct event *e, int year, int month, int day); 186 187/* pom.c */ 188#define MAXMOONS 18 189void pom(int year, double UTCoffset, int *fms, int *nms); 190void fpom(int year, double utcoffset, double *ffms, double *fnms); 191 192/* sunpos.c */ 193void equinoxsolstice(int year, double UTCoffset, int *equinoxdays, int *solsticedays); 194void fequinoxsolstice(int year, double UTCoffset, double *equinoxdays, double *solsticedays); 195int calculatesunlongitude30(int year, int degreeGMToffset, int *ichinesemonths); 196