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6c2f050742
* posix/glob/configure.bat: Fixes from DJ. * time/backward, time/europe, time/northamerica, time/pacificnew, time/zdump.c, time/zic.c, time/tzfile.h, time/private.h, time/ialloc.c: Code and data updated from ADO's 95b. * time/emkdir.c: File removed. * time/Makefile (distribute, extra-objs, zic): Omit it. * time/localtime.c: Deansideclized. Never #define __tzname et al to non-__ names. * locale/lc-ctype.c (__ctype_tolower, __ctype_toupper): Use int * instead of short int *. * ctype/ctype-info.c: Likewise. * ctype/ctype.h: Likewise. * locale/langinfo.h (_NL_CTYPE_CLASS): Use this (just one) instead of EB and EL versions.
181 lines
4.8 KiB
C
181 lines
4.8 KiB
C
#ifndef TZFILE_H
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#define TZFILE_H
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/*
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** This header is for use ONLY with the time conversion code.
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** There is no guarantee that it will remain unchanged,
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** or that it will remain at all.
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** Do NOT copy it to any system include directory.
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** Thank you!
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*/
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/*
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** ID
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*/
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#ifndef lint
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#ifndef NOID
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static char tzfilehid[] = "@(#)tzfile.h 7.6";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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/*
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** Information about time zone files.
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*/
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#ifndef TZDIR
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#define TZDIR "/usr/local/etc/zoneinfo" /* Time zone object file directory */
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#endif /* !defined TZDIR */
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#ifndef TZDEFAULT
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#define TZDEFAULT "localtime"
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#endif /* !defined TZDEFAULT */
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#ifndef TZDEFRULES
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#define TZDEFRULES "posixrules"
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#endif /* !defined TZDEFRULES */
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/*
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** Each file begins with. . .
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*/
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struct tzhead {
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char tzh_reserved[20]; /* reserved for future use */
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char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */
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char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */
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char tzh_leapcnt[4]; /* coded number of leap seconds */
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char tzh_timecnt[4]; /* coded number of transition times */
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char tzh_typecnt[4]; /* coded number of local time types */
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char tzh_charcnt[4]; /* coded number of abbr. chars */
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};
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/*
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** . . .followed by. . .
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**
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** tzh_timecnt (char [4])s coded transition times a la time(2)
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** tzh_timecnt (unsigned char)s types of local time starting at above
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** tzh_typecnt repetitions of
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** one (char [4]) coded GMT offset in seconds
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** one (unsigned char) used to set tm_isdst
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** one (unsigned char) that's an abbreviation list index
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** tzh_charcnt (char)s '\0'-terminated zone abbreviations
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** tzh_leapcnt repetitions of
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** one (char [4]) coded leap second transition times
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** one (char [4]) total correction after above
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** tzh_ttisstdcnt (char)s indexed by type; if TRUE, transition
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** time is standard time, if FALSE,
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** transition time is wall clock time
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** if absent, transition times are
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** assumed to be wall clock time
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** tzh_ttisgmtcnt (char)s indexed by type; if TRUE, transition
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** time is GMT, if FALSE,
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** transition time is local time
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** if absent, transition times are
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** assumed to be local time
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*/
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/*
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** In the current implementation, "tzset()" refuses to deal with files that
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** exceed any of the limits below.
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*/
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#ifndef TZ_MAX_TIMES
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/*
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** The TZ_MAX_TIMES value below is enough to handle a bit more than a
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** year's worth of solar time (corrected daily to the nearest second) or
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** 138 years of Pacific Presidential Election time
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** (where there are three time zone transitions every fourth year).
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*/
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#define TZ_MAX_TIMES 370
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#endif /* !defined TZ_MAX_TIMES */
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#ifndef TZ_MAX_TYPES
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#ifndef NOSOLAR
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#define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */
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#endif /* !defined NOSOLAR */
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#ifdef NOSOLAR
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/*
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** Must be at least 14 for Europe/Riga as of Jan 12 1995,
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** as noted by Earl Chew <earl@hpato.aus.hp.com>.
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*/
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#define TZ_MAX_TYPES 20 /* Maximum number of local time types */
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#endif /* !defined NOSOLAR */
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#endif /* !defined TZ_MAX_TYPES */
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#ifndef TZ_MAX_CHARS
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#define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */
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/* (limited by what unsigned chars can hold) */
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#endif /* !defined TZ_MAX_CHARS */
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#ifndef TZ_MAX_LEAPS
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#define TZ_MAX_LEAPS 50 /* Maximum number of leap second corrections */
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#endif /* !defined TZ_MAX_LEAPS */
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#define SECSPERMIN 60
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#define MINSPERHOUR 60
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#define HOURSPERDAY 24
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#define DAYSPERWEEK 7
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#define DAYSPERNYEAR 365
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#define DAYSPERLYEAR 366
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#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
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#define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY)
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#define MONSPERYEAR 12
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#define TM_SUNDAY 0
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#define TM_MONDAY 1
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#define TM_TUESDAY 2
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#define TM_WEDNESDAY 3
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#define TM_THURSDAY 4
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#define TM_FRIDAY 5
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#define TM_SATURDAY 6
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#define TM_JANUARY 0
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#define TM_FEBRUARY 1
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#define TM_MARCH 2
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#define TM_APRIL 3
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#define TM_MAY 4
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#define TM_JUNE 5
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#define TM_JULY 6
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#define TM_AUGUST 7
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#define TM_SEPTEMBER 8
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#define TM_OCTOBER 9
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#define TM_NOVEMBER 10
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#define TM_DECEMBER 11
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#define TM_YEAR_BASE 1900
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#define EPOCH_YEAR 1970
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#define EPOCH_WDAY TM_THURSDAY
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/*
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** Accurate only for the past couple of centuries;
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** that will probably do.
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*/
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#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
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#ifndef USG
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/*
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** Use of the underscored variants may cause problems if you move your code to
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** certain System-V-based systems; for maximum portability, use the
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** underscore-free variants. The underscored variants are provided for
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** backward compatibility only; they may disappear from future versions of
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** this file.
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*/
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#define SECS_PER_MIN SECSPERMIN
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#define MINS_PER_HOUR MINSPERHOUR
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#define HOURS_PER_DAY HOURSPERDAY
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#define DAYS_PER_WEEK DAYSPERWEEK
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#define DAYS_PER_NYEAR DAYSPERNYEAR
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#define DAYS_PER_LYEAR DAYSPERLYEAR
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#define SECS_PER_HOUR SECSPERHOUR
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#define SECS_PER_DAY SECSPERDAY
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#define MONS_PER_YEAR MONSPERYEAR
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#endif /* !defined USG */
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#endif /* !defined TZFILE_H */
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