calendar.h revision 205821
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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD: head/usr.bin/calendar/calendar.h 205821 2010-03-29 06:49:20Z edwin $ 34 */ 35 36#include <sys/types.h> 37#include <sys/uio.h> 38 39#define SECSPERDAY (24 * 60 * 60) 40#define SECSPERHOUR (60 * 60) 41#define SECSPERMINUTE (60) 42#define MINSPERHOUR (60) 43#define HOURSPERDAY (24) 44#define FSECSPERDAY (24.0 * 60.0 * 60.0) 45#define FSECSPERHOUR (60.0 * 60.0) 46#define FSECSPERMINUTE (60.0) 47#define FMINSPERHOUR (60.0) 48#define FHOURSPERDAY (24.0) 49 50#define DAYSPERYEAR 365 51#define DAYSPERLEAPYEAR 366 52 53/* Not yet categorized */ 54 55extern struct passwd *pw; 56extern int doall; 57extern time_t t1, t2; 58extern const char *calendarFile; 59extern int yrdays; 60extern struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon; 61extern struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice; 62extern double UTCOffset; 63extern int EastLongitude; 64 65#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) 66 67/* Flags to determine the returned values by determinestyle() in parsedata.c */ 68#define F_NONE 0x00000 69#define F_MONTH 0x00001 70#define F_DAYOFWEEK 0x00002 71#define F_DAYOFMONTH 0x00004 72#define F_MODIFIERINDEX 0x00008 73#define F_MODIFIEROFFSET 0x00010 74#define F_SPECIALDAY 0x00020 75#define F_ALLMONTH 0x00040 76#define F_ALLDAY 0x00080 77#define F_VARIABLE 0x00100 78#define F_EASTER 0x00200 79#define F_CNY 0x00400 80#define F_PASKHA 0x00800 81#define F_NEWMOON 0x01000 82#define F_FULLMOON 0x02000 83#define F_MAREQUINOX 0x04000 84#define F_SEPEQUINOX 0x08000 85#define F_JUNSOLSTICE 0x10000 86#define F_DECSOLSTICE 0x20000 87 88#define STRING_EASTER "Easter" 89#define STRING_PASKHA "Paskha" 90#define STRING_CNY "ChineseNewYear" 91#define STRING_NEWMOON "NewMoon" 92#define STRING_FULLMOON "FullMoon" 93#define STRING_MAREQUINOX "MarEquinox" 94#define STRING_SEPEQUINOX "SepEquinox" 95#define STRING_JUNSOLSTICE "JunSolstice" 96#define STRING_DECSOLSTICE "DecSolstice" 97 98#define MAXCOUNT 125 /* Random number of maximum number of 99 * repeats of an event. Should be 52 100 * (number of weeks per year), if you 101 * want to show two years then it 102 * should be 104. If you are seeing 103 * more than this you are using this 104 * program wrong. 105 */ 106 107/* 108 * All the astronomical calculations are carried out for the meridian 120 109 * degrees east of Greenwich. 110 */ 111#define UTCOFFSET_CNY 8.0 112 113extern int debug; /* show parsing of the input */ 114extern int year1, year2; 115 116/* events.c */ 117/* 118 * Event sorting related functions: 119 * - Use event_add() to create a new event 120 * - Use event_continue() to add more text to the last added event 121 * - Use event_print_all() to display them in time chronological order 122 */ 123struct event *event_add(int, int, int, char *, int, char *, char *); 124void event_continue(struct event *events, char *txt); 125void event_print_all(FILE *fp); 126struct event { 127 int year; 128 int month; 129 int day; 130 int var; 131 char *date; 132 char *text; 133 char *extra; 134 struct event *next; 135}; 136 137/* locale.c */ 138 139struct fixs { 140 char *name; 141 size_t len; 142}; 143 144extern const char *days[]; 145extern const char *fdays[]; 146extern const char *fmonths[]; 147extern const char *months[]; 148extern const char *sequences[]; 149extern struct fixs fndays[8]; /* full national days names */ 150extern struct fixs fnmonths[13]; /* full national months names */ 151extern struct fixs ndays[8]; /* short national days names */ 152extern struct fixs nmonths[13]; /* short national month names */ 153extern struct fixs nsequences[10]; 154 155void setnnames(void); 156void setnsequences(char *); 157 158/* day.c */ 159extern const struct tm tm0; 160extern char dayname[]; 161void settimes(time_t,int before, int after, int friday, struct tm *tp1, struct tm *tp2); 162time_t Mktime(char *); 163 164/* parsedata.c */ 165int parsedaymonth(char *, int *, int *, int *, int *, char **); 166void dodebug(char *type); 167 168/* io.c */ 169void cal(void); 170void closecal(FILE *); 171FILE *opencal(void); 172 173/* ostern.c / pashka.c */ 174int paskha(int); 175int easter(int); 176 177/* dates.c */ 178extern int cumdaytab[][14]; 179extern int mondaytab[][14]; 180extern int debug_remember; 181void generatedates(struct tm *tp1, struct tm *tp2); 182void dumpdates(void); 183int remember_ymd(int y, int m, int d); 184int remember_yd(int y, int d, int *rm, int *rd); 185int first_dayofweek_of_year(int y); 186int first_dayofweek_of_month(int y, int m); 187int walkthrough_dates(struct event **e); 188void addtodate(struct event *e, int year, int month, int day); 189 190/* pom.c */ 191#define MAXMOONS 18 192void pom(int year, double UTCoffset, int *fms, int *nms); 193void fpom(int year, double utcoffset, double *ffms, double *fnms); 194 195/* sunpos.c */ 196void equinoxsolstice(int year, double UTCoffset, int *equinoxdays, int *solsticedays); 197void fequinoxsolstice(int year, double UTCoffset, double *equinoxdays, double *solsticedays); 198int calculatesunlongitude30(int year, int degreeGMToffset, int *ichinesemonths); 199