exiv2库，支持c++11

/*! @file tzfile.h @brief This file is from the tz distribution at ftp://elsie.nci.nih.gov/pub/ @version $Rev: 392 $ */ #ifndef TZFILE_H #define TZFILE_H /* ** This file is in the public domain, so clarified as of ** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov). */ /* ** This header is for use ONLY with the time conversion code. ** There is no guarantee that it will remain unchanged, ** or that it will remain at all. ** Do NOT copy it to any system include directory. ** Thank you! */ /* ** ID */ #ifndef lint #ifndef NOID static char tzfilehid[] = "@(#)tzfile.h 7.14"; #endif /* !defined NOID */ #endif /* !defined lint */ /* ** Information about time zone files. */ #ifndef TZDIR #define TZDIR "/usr/local/etc/zoneinfo" /* Time zone object file directory */ #endif /* !defined TZDIR */ #ifndef TZDEFAULT #define TZDEFAULT "localtime" #endif /* !defined TZDEFAULT */ #ifndef TZDEFRULES #define TZDEFRULES "posixrules" #endif /* !defined TZDEFRULES */ /* ** Each file begins with. . . */ #define TZ_MAGIC "TZif" struct tzhead { char tzh_magic[4]; /* TZ_MAGIC */ char tzh_reserved[16]; /* reserved for future use */ char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */ char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */ char tzh_leapcnt[4]; /* coded number of leap seconds */ char tzh_timecnt[4]; /* coded number of transition times */ char tzh_typecnt[4]; /* coded number of local time types */ char tzh_charcnt[4]; /* coded number of abbr. chars */ }; /* ** . . .followed by. . . ** ** tzh_timecnt (char [4])s coded transition times a la time(2) ** tzh_timecnt (unsigned char)s types of local time starting at above ** tzh_typecnt repetitions of ** one (char [4]) coded UTC offset in seconds ** one (unsigned char) used to set tm_isdst ** one (unsigned char) that's an abbreviation list index ** tzh_charcnt (char)s '\0'-terminated zone abbreviations ** tzh_leapcnt repetitions of ** one (char [4]) coded leap second transition times ** one (char [4]) total correction after above ** tzh_ttisstdcnt (char)s indexed by type; if TRUE, transition ** time is standard time, if FALSE, ** transition time is wall clock time ** if absent, transition times are ** assumed to be wall clock time ** tzh_ttisgmtcnt (char)s indexed by type; if TRUE, transition ** time is UTC, if FALSE, ** transition time is local time ** if absent, transition times are ** assumed to be local time */ /* ** In the current implementation, "tzset()" refuses to deal with files that ** exceed any of the limits below. */ #ifndef TZ_MAX_TIMES /* ** The TZ_MAX_TIMES value below is enough to handle a bit more than a ** year's worth of solar time (corrected daily to the nearest second) or ** 138 years of Pacific Presidential Election time ** (where there are three time zone transitions every fourth year). */ #define TZ_MAX_TIMES 370 #endif /* !defined TZ_MAX_TIMES */ #ifndef TZ_MAX_TYPES #ifndef NOSOLAR #define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */ #endif /* !defined NOSOLAR */ #ifdef NOSOLAR /* ** Must be at least 14 for Europe/Riga as of Jan 12 1995, ** as noted by Earl Chew . */ #define TZ_MAX_TYPES 20 /* Maximum number of local time types */ #endif /* !defined NOSOLAR */ #endif /* !defined TZ_MAX_TYPES */ #ifndef TZ_MAX_CHARS #define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */ /* (limited by what unsigned chars can hold) */ #endif /* !defined TZ_MAX_CHARS */ #ifndef TZ_MAX_LEAPS #define TZ_MAX_LEAPS 50 /* Maximum number of leap second corrections */ #endif /* !defined TZ_MAX_LEAPS */ #define SECSPERMIN 60 #define MINSPERHOUR 60 #define HOURSPERDAY 24 #define DAYSPERWEEK 7 #define DAYSPERNYEAR 365 #define DAYSPERLYEAR 366 #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) #define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY) #define MONSPERYEAR 12 #define TM_SUNDAY 0 #define TM_MONDAY 1 #define TM_TUESDAY 2 #define TM_WEDNESDAY 3 #define TM_THURSDAY 4 #define TM_FRIDAY 5 #define TM_SATURDAY 6 #define TM_JANUARY 0 #define TM_FEBRUARY 1 #define TM_MARCH 2 #define TM_APRIL 3 #define TM_MAY 4 #define TM_JUNE 5 #define TM_JULY 6 #define TM_AUGUST 7 #define TM_SEPTEMBER 8 #define TM_OCTOBER 9 #define TM_NOVEMBER 10 #define TM_DECEMBER 11 #define TM_YEAR_BASE 1900 #define EPOCH_YEAR 1970 #define EPOCH_WDAY TM_THURSDAY /* ** Accurate only for the past couple of centuries; ** that will probably do. */ #define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) #ifndef USG /* ** Use of the underscored variants may cause problems if you move your code to ** certain System-V-based systems; for maximum portability, use the ** underscore-free variants. The underscored variants are provided for ** backward compatibility only; they may disappear from future versions of ** this file. */ #define SECS_PER_MIN SECSPERMIN #define MINS_PER_HOUR MINSPERHOUR #define HOURS_PER_DAY HOURSPERDAY #define DAYS_PER_WEEK DAYSPERWEEK #define DAYS_PER_NYEAR DAYSPERNYEAR #define DAYS_PER_LYEAR DAYSPERLYEAR #define SECS_PER_HOUR SECSPERHOUR #define SECS_PER_DAY SECSPERDAY #define MONS_PER_YEAR MONSPERYEAR #endif /* !defined USG */ #endif /* !defined TZFILE_H */