/*- * Copyright (c) 1989, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include #define SECSPERDAY (24 * 60 * 60) #define SECSPERHOUR (60 * 60) #define SECSPERMINUTE (60) #define MINSPERHOUR (60) #define HOURSPERDAY (24) #define FSECSPERDAY (24.0 * 60.0 * 60.0) #define FSECSPERHOUR (60.0 * 60.0) #define FSECSPERMINUTE (60.0) #define FMINSPERHOUR (60.0) #define FHOURSPERDAY (24.0) #define DAYSPERYEAR 365 #define DAYSPERLEAPYEAR 366 /* Not yet categorized */ extern struct passwd *pw; extern int doall; extern time_t t1, t2; extern const char *calendarFile; extern int yrdays; extern struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon; extern struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice; extern double UTCOffset; extern int EastLongitude; #define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) /* Flags to determine the returned values by determinestyle() in parsedata.c */ #define F_NONE 0x00000 #define F_MONTH 0x00001 #define F_DAYOFWEEK 0x00002 #define F_DAYOFMONTH 0x00004 #define F_MODIFIERINDEX 0x00008 #define F_MODIFIEROFFSET 0x00010 #define F_SPECIALDAY 0x00020 #define F_ALLMONTH 0x00040 #define F_ALLDAY 0x00080 #define F_VARIABLE 0x00100 #define F_EASTER 0x00200 #define F_CNY 0x00400 #define F_PASKHA 0x00800 #define F_NEWMOON 0x01000 #define F_FULLMOON 0x02000 #define F_MAREQUINOX 0x04000 #define F_SEPEQUINOX 0x08000 #define F_JUNSOLSTICE 0x10000 #define F_DECSOLSTICE 0x20000 #define F_YEAR 0x40000 #define STRING_EASTER "Easter" #define STRING_PASKHA "Paskha" #define STRING_CNY "ChineseNewYear" #define STRING_NEWMOON "NewMoon" #define STRING_FULLMOON "FullMoon" #define STRING_MAREQUINOX "MarEquinox" #define STRING_SEPEQUINOX "SepEquinox" #define STRING_JUNSOLSTICE "JunSolstice" #define STRING_DECSOLSTICE "DecSolstice" #define MAXCOUNT 125 /* Random number of maximum number of * repeats of an event. Should be 52 * (number of weeks per year), if you * want to show two years then it * should be 104. If you are seeing * more than this you are using this * program wrong. */ /* * All the astronomical calculations are carried out for the meridian 120 * degrees east of Greenwich. */ #define UTCOFFSET_CNY 8.0 extern int debug; /* show parsing of the input */ extern int year1, year2; /* events.c */ /* * Event sorting related functions: * - Use event_add() to create a new event * - Use event_continue() to add more text to the last added event * - Use event_print_all() to display them in time chronological order */ struct event *event_add(int, int, int, char *, int, char *, char *); void event_continue(struct event *events, char *txt); void event_print_all(FILE *fp); struct event { int year; int month; int day; int var; char *date; char *text; char *extra; struct event *next; }; /* locale.c */ struct fixs { char *name; size_t len; }; extern const char *days[]; extern const char *fdays[]; extern const char *fmonths[]; extern const char *months[]; extern const char *sequences[]; extern struct fixs fndays[8]; /* full national days names */ extern struct fixs fnmonths[13]; /* full national months names */ extern struct fixs ndays[8]; /* short national days names */ extern struct fixs nmonths[13]; /* short national month names */ extern struct fixs nsequences[10]; void setnnames(void); void setnsequences(char *); /* day.c */ extern const struct tm tm0; extern char dayname[]; void settimes(time_t,int before, int after, int friday, struct tm *tp1, struct tm *tp2); time_t Mktime(char *); /* parsedata.c */ int parsedaymonth(char *, int *, int *, int *, int *, char **); void dodebug(char *type); /* io.c */ void cal(void); void closecal(FILE *); FILE *opencal(void); /* ostern.c / paskha.c */ int paskha(int); int easter(int); int j2g(int); /* dates.c */ extern int cumdaytab[][14]; extern int mondaytab[][14]; extern int debug_remember; void generatedates(struct tm *tp1, struct tm *tp2); void dumpdates(void); int remember_ymd(int y, int m, int d); int remember_yd(int y, int d, int *rm, int *rd); int first_dayofweek_of_year(int y); int first_dayofweek_of_month(int y, int m); int walkthrough_dates(struct event **e); void addtodate(struct event *e, int year, int month, int day); /* pom.c */ #define MAXMOONS 18 void pom(int year, double UTCoffset, int *fms, int *nms); void fpom(int year, double utcoffset, double *ffms, double *fnms); /* sunpos.c */ void equinoxsolstice(int year, double UTCoffset, int *equinoxdays, int *solsticedays); void fequinoxsolstice(int year, double UTCoffset, double *equinoxdays, double *solsticedays); int calculatesunlongitude30(int year, int degreeGMToffset, int *ichinesemonths);