calendar.h revision 251647
1/*- 2 * Copyright (c) 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: head/usr.bin/calendar/calendar.h 251647 2013-06-12 07:52:49Z grog $ 30 */ 31 32#include <sys/types.h> 33#include <sys/uio.h> 34 35#define SECSPERDAY (24 * 60 * 60) 36#define SECSPERHOUR (60 * 60) 37#define SECSPERMINUTE (60) 38#define MINSPERHOUR (60) 39#define HOURSPERDAY (24) 40#define FSECSPERDAY (24.0 * 60.0 * 60.0) 41#define FSECSPERHOUR (60.0 * 60.0) 42#define FSECSPERMINUTE (60.0) 43#define FMINSPERHOUR (60.0) 44#define FHOURSPERDAY (24.0) 45 46#define DAYSPERYEAR 365 47#define DAYSPERLEAPYEAR 366 48 49/* Not yet categorized */ 50 51extern struct passwd *pw; 52extern int doall; 53extern time_t t1, t2; 54extern const char *calendarFile; 55extern int yrdays; 56extern struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon; 57extern struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice; 58extern double UTCOffset; 59extern int EastLongitude; 60 61#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) 62 63/* Flags to determine the returned values by determinestyle() in parsedata.c */ 64#define F_NONE 0x00000 65#define F_MONTH 0x00001 66#define F_DAYOFWEEK 0x00002 67#define F_DAYOFMONTH 0x00004 68#define F_MODIFIERINDEX 0x00008 69#define F_MODIFIEROFFSET 0x00010 70#define F_SPECIALDAY 0x00020 71#define F_ALLMONTH 0x00040 72#define F_ALLDAY 0x00080 73#define F_VARIABLE 0x00100 74#define F_EASTER 0x00200 75#define F_CNY 0x00400 76#define F_PASKHA 0x00800 77#define F_NEWMOON 0x01000 78#define F_FULLMOON 0x02000 79#define F_MAREQUINOX 0x04000 80#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 / paskha.c */ 171int paskha(int); 172int easter(int); 173int j2g(int); 174 175/* dates.c */ 176extern int cumdaytab[][14]; 177extern int monthdaytab[][14]; 178extern int debug_remember; 179void generatedates(struct tm *tp1, struct tm *tp2); 180void dumpdates(void); 181int remember_ymd(int y, int m, int d); 182int remember_yd(int y, int d, int *rm, int *rd); 183int first_dayofweek_of_year(int y); 184int first_dayofweek_of_month(int y, int m); 185int walkthrough_dates(struct event **e); 186void addtodate(struct event *e, int year, int month, int day); 187 188/* pom.c */ 189#define MAXMOONS 18 190void pom(int year, double UTCoffset, int *fms, int *nms); 191void fpom(int year, double utcoffset, double *ffms, double *fnms); 192 193/* sunpos.c */ 194void equinoxsolstice(int year, double UTCoffset, int *equinoxdays, int *solsticedays); 195void fequinoxsolstice(int year, double UTCoffset, double *equinoxdays, double *solsticedays); 196int calculatesunlongitude30(int year, int degreeGMToffset, int *ichinesemonths); 197