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Diffstat (limited to 'port/ddate/ddate.c')
| -rw-r--r-- | port/ddate/ddate.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/port/ddate/ddate.c b/port/ddate/ddate.c new file mode 100644 index 00000000..c0a6bf37 --- /dev/null +++ b/port/ddate/ddate.c @@ -0,0 +1,399 @@ +/* $ DVCS ID: $jer|,523/lhos,KYTP!41023161\b"?" <<= DO NOT DELETE! */ + +/* ddate.c .. converts boring normal dates to fun Discordian Date -><- + written the 65th day of The Aftermath in the Year of Our Lady of + Discord 3157 by Druel the Chaotic aka Jeremy Johnson aka + mpython@gnu.ai.mit.edu + 28 Sever St Apt #3 + Worcester MA 01609 + + and I'm not responsible if this program messes anything up (except your + mind, I'm responsible for that) + + (k) YOLD 3161 and all time before and after. + Reprint, reuse, and recycle what you wish. + This program is in the public domain. Distribute freely. Or not. + + Majorly hacked, extended and bogotified/debogotified on + Sweetmorn, Bureaucracy 42, 3161 YOLD, by Lee H:. O:. Smith, KYTP, + aka Andrew Bulhak, aka acb@dev.null.org + + Slightly hackled and crackled by a sweet firey stove on + Boomtime, the 53rd day of Bureaucracy in the YOLD 3179, + by Chaplain Nyan the Wiser, aka Dan Dart, aka ntw@dandart.co.uk + + and I'm not responsible if this program messes anything up (except your + mind, I'm responsible for that) (and that goes for me as well --lhos) + + Version history: + Bureflux 3161: First release of enhanced ddate with format strings + 59 Bcy, 3161: PRAISE_BOB and KILL_BOB options split, other minor + changes. + 53 Bcy, 3179: Fixed gregorian date conversions less than YOLD 1167 + + 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL> + - added Native Language Support + + 2000-03-17 Burt Holzman <holzman+ddate@gmail.com> + - added range checks for dates + + 2014-06-07 William Woodruff <william@tuffbizz.com> + - removed gettext dependent locale code + + 15th of Confusion, 3180: + - call out adherents of the wrong fruit + + FIVE TONS OF FLAX +*/ + +/* configuration options VVVVV READ THIS!!! */ + +/* If you wish ddate(1) to print the date in the same format as Druel's + * original ddate when called in immediate mode, define OLD_IMMEDIATE_FMT + */ + +#define OLD_IMMEDIATE_FMT + +/* If you wish to use the US format for aneristic dates (m-d-y), as opposed to + * the Commonwealth format, define US_FORMAT. + */ + +/* #define US_FORMAT */ + +/* If you are ideologically, theologically or otherwise opposed to the + * Church of the SubGenius and do not wish your copy of ddate(1) to contain + * code for counting down to X-Day, undefine KILL_BOB */ + +#define KILL_BOB 13013 + +/* If you wish ddate(1) to contain SubGenius slogans, define PRAISE_BOB */ + +/*#define PRAISE_BOB 13013*/ + +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <stdio.h> + + +// work around includes and defines from formerly c.h +#ifndef ARRAY_SIZE +# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) +#endif + +/* &a[0] degrades to a pointer: a different type from an array */ +# define __must_be_array(a) \ + BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(__typeof__(a), __typeof__(&a[0]))) + +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + +/* work around hacks for standalone package */ +#define PACKAGE "ddate" +#define PACKAGE_STRING "Stand Alone" + +#ifndef __GNUC__ +#define inline /* foo */ +#endif + +#ifdef KILL_BOB +int xday_countdown(int yday, int year); +#endif + + +/* string constants */ + +char *day_long[5] = { + "Sweetmorn", "Boomtime", "Pungenday", "Prickle-Prickle", "Setting Orange" +}; + +char *day_short[5] = {"SM","BT","PD","PP","SO"}; + +char *season_long[5] = { + "Chaos", "Discord", "Confusion", "Bureaucracy", "The Aftermath" +}; + +char *season_short[5] = {"Chs", "Dsc", "Cfn", "Bcy", "Afm"}; + +char *holyday[5][2] = { + { "Mungday", "Chaoflux" }, + { "Mojoday", "Discoflux" }, + { "Syaday", "Confuflux" }, + { "Zaraday", "Bureflux" }, + { "Maladay", "Afflux" } +}; + +struct disc_time { + int season; /* 0-4 */ + int day; /* 0-72 */ + int yday; /* 0-365 */ + int year; /* 3066- */ +}; + +char *excl[] = { + "Hail Eris!", "All Hail Discordia!", "Kallisti!", "Fnord.", "Or not.", + "Wibble.", "Pzat!", "P'tang!", "Frink!", +#ifdef PRAISE_BOB + "Slack!", "Praise \"Bob\"!", "Or kill me.", +#endif /* PRAISE_BOB */ + /* randomness, from the Net and other places. Feel free to add (after + checking with the relevant authorities, of course). */ + "Grudnuk demand sustenance!", "Keep the Lasagna flying!", + "You are what you see.", + "Or is it?", "This statement is false.", + "Lies and slander, sire!", "Hee hee hee!", +#if defined(linux) || defined (__linux__) || defined (__linux) + "Hail Eris, Hack Linux!", +#elif defined(__APPLE__) + "This Fruit is not the True Fruit of Discord.", +#endif + "" +}; + +char default_fmt[] = "%{%A, %B %d%}, %Y YOLD"; +char *default_immediate_fmt= +#ifdef OLD_IMMEDIATE_FMT +"Today is %{%A, the %e day of %B%} in the YOLD %Y%N%nCelebrate %H" +#else +default_fmt +#endif +; + +#define DY(y) (y+1166) + +static inline char *ending(int i) { + return i/10==1?"th":(i%10==1?"st":(i%10==2?"nd":(i%10==3?"rd":"th"))); +} + +static inline int leapp(int i) { + return (!(DY(i)%4))&&((DY(i)%100)||(!(DY(i)%400))); +} + +/* select a random string */ +static inline char *sel(char **strings, int num) { + return(strings[random()%num]); +} + +void print(struct disc_time,char **); /* old */ +void format(char *buf, const char* fmt, struct disc_time dt); +/* read a fortune file */ +int load_fortunes(char *fn, char *delim, char** result); + +struct disc_time convert(int,int); +struct disc_time makeday(int,int,int); + +int +main (int argc, char *argv[]) { + time_t t; + struct tm *eris; + int bob,raw; + struct disc_time hastur; + char schwa[23*17], *fnord=0; + int pi; + char *progname, *p; + + progname = argv[0]; + if ((p = strrchr(progname, '/')) != NULL) + progname = p+1; + + srandom(time(NULL)); + /* do args here */ + for(pi=1; pi<argc; pi++) { + switch(argv[pi][0]) { + case '+': fnord=argv[pi]+1; break; + case '-': + switch(argv[pi][1]) { + case 'V': + printf(("%s (%s)\n"), progname, PACKAGE_STRING); + default: goto usage; + } + default: goto thud; + } + } + + thud: + if (argc-pi==3){ + int moe=atoi(argv[pi]), larry=atoi(argv[pi+1]), curly=atoi(argv[pi+2]); + hastur=makeday( +#ifdef US_FORMAT + moe,larry, +#else + larry,moe, +#endif + curly); + if (hastur.season == -1) { + printf("Invalid date -- out of range\n"); + return -1; + } + fnord=fnord?fnord:default_fmt; + } else if (argc!=pi) { + usage: + fprintf(stderr,("usage: %s [+format] [day month year]\n"), argv[0]); + exit(1); + } else { + t= time(NULL); + eris=localtime(&t); + bob=eris->tm_yday; /* days since Jan 1. */ + raw=eris->tm_year; /* years since 1980 */ + hastur=convert(bob,raw); + fnord=fnord?fnord:default_immediate_fmt; + } + format(schwa, fnord, hastur); + printf("%s\n", schwa); + + return 0; +} + +void format(char *buf, const char* fmt, struct disc_time dt) +{ + int tib_start=-1, tib_end=0; + int i, fmtlen=strlen(fmt); + char *bufptr=buf; + +/* fprintf(stderr, "format(%p, \"%s\", dt)\n", buf, fmt);*/ + + /* first, find extents of St. Tib's Day area, if defined */ + for(i=0; i<fmtlen; i++) { + if(fmt[i]=='%') { + switch(fmt[i+1]) { + case 'A': + case 'a': + case 'd': + case 'e': + if(tib_start>0) tib_end=i+1; + else tib_start=i; + break; + case '{': tib_start=i; break; + case '}': tib_end=i+1; break; + } + } + } + + /* now do the formatting */ + buf[0]=0; + + for(i=0; i<fmtlen; i++) { + if((i==tib_start) && (dt.day==-1)) { + /* handle St. Tib's Day */ + strcpy(bufptr, ("St. Tib's Day")); + bufptr += strlen(bufptr); + i=tib_end; + } else { + if(fmt[i]=='%') { + char *wibble=0, snarf[23]; + switch(fmt[++i]) { + case 'A': wibble=day_long[dt.yday%5]; break; + case 'a': wibble=day_short[dt.yday%5]; break; + case 'B': wibble=season_long[dt.season]; break; + case 'b': wibble=season_short[dt.season]; break; + case 'd': sprintf(snarf, "%d", dt.day+1); wibble=snarf; break; + case 'e': sprintf(snarf, "%d%s", dt.day+1, ending(dt.day+1)); + wibble=snarf; break; + case 'H': if(dt.day==4||dt.day==49) + wibble=holyday[dt.season][dt.day==49]; break; + case 'N': if(dt.day!=4&&dt.day!=49) goto eschaton; break; + case 'n': *(bufptr++)='\n'; break; + case 't': *(bufptr++)='\t'; break; + + case 'Y': sprintf(snarf, "%d", dt.year); wibble=snarf; break; + case '.': wibble=sel(excl, ARRAY_SIZE(excl)); + break; +#ifdef KILL_BOB + case 'X': sprintf(snarf, "%d", + xday_countdown(dt.yday, dt.year)); + wibble = snarf; break; +#endif /* KILL_BOB */ + } + if(wibble) { +/* fprintf(stderr, "wibble = (%s)\n", wibble);*/ + strcpy(bufptr, wibble); bufptr+=strlen(wibble); + } + } else { + *(bufptr++) = fmt[i]; + } + } + } + eschaton: + *(bufptr)=0; +} + +struct disc_time makeday(int imonth,int iday,int iyear) /*i for input */ +{ + struct disc_time funkychickens; + + int cal[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 }; + int dayspast=0; + + memset(&funkychickens,0,sizeof(funkychickens)); + /* basic range checks */ + if (imonth < 1 || imonth > 12 || iyear == 0) { + funkychickens.season = -1; + return funkychickens; + } + if (iday < 1 || iday > cal[imonth-1]) { + if (!(imonth == 2 && iday == 29 && iyear%4 == 0 && + (iyear%100 != 0 || iyear%400 == 0))) { + funkychickens.season = -1; + return funkychickens; + } + } + + imonth--; + /* note: gregorian year 0 doesn't exist so + * add one if user specifies a year less than 0 */ + funkychickens.year= iyear+1166 + ((0 > iyear)?1:0); + while(imonth>0) { dayspast+=cal[--imonth]; } + funkychickens.day=dayspast+iday-1; + funkychickens.season=0; + if((funkychickens.year%4)==2) { + if (funkychickens.day==59 && iday==29) funkychickens.day=-1; + } + funkychickens.yday=funkychickens.day; +/* note: EQUAL SIGN...hopefully that fixes it */ + while(funkychickens.day>=73) { + funkychickens.season++; + funkychickens.day-=73; + } + return funkychickens; +} + +struct disc_time convert(int nday, int nyear) +{ struct disc_time funkychickens; + + funkychickens.year = nyear+3066; + funkychickens.day=nday; + funkychickens.season=0; + if ((funkychickens.year%4)==2) + {if (funkychickens.day==59) + funkychickens.day=-1; + else if (funkychickens.day >59) + funkychickens.day-=1; + } + funkychickens.yday=funkychickens.day; + while (funkychickens.day>=73) + { funkychickens.season++; + funkychickens.day-=73; + } + return funkychickens; + + } + +#ifdef KILL_BOB + +/* Code for counting down to X-Day, X-Day being Cfn 40, 3164 + * + * After `X-Day' passed without incident, the CoSG declared that it had + * got the year upside down --- X-Day is actually in 8661 AD rather than + * 1998 AD. + * + * Thus, the True X-Day is Cfn 40, 9827. + * + */ + +int xday_countdown(int yday, int year) { + int r=(185-yday)+(((yday<59)&&(leapp(year)))?1:0); + while(year<9827) r+=(leapp(++year)?366:365); + while(year>9827) r-=(leapp(year--)?366:365); + return r; +} + +#endif |