diff options
Diffstat (limited to 'timezone/tzfile.h')
| -rw-r--r-- | timezone/tzfile.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/timezone/tzfile.h b/timezone/tzfile.h index 0f6c687f16..529650dd8a 100644 --- a/timezone/tzfile.h +++ b/timezone/tzfile.h @@ -39,7 +39,7 @@ struct tzhead { char tzh_magic[4]; /* TZ_MAGIC */ - char tzh_version[1]; /* '\0' or '2' as of 2005 */ + char tzh_version[1]; /* '\0' or '2' or '3' as of 2013 */ char tzh_reserved[15]; /* reserved--must be zero */ char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */ char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */ @@ -55,7 +55,7 @@ struct tzhead { ** 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 (char [4]) coded UT 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 @@ -68,7 +68,7 @@ struct tzhead { ** 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, +** time is UT, if FALSE, ** transition time is local time ** if absent, transition times are ** assumed to be local time @@ -82,6 +82,13 @@ struct tzhead { ** instants after the last transition time stored in the file ** (with nothing between the newlines if there is no POSIX representation for ** such instants). +** +** If tz_version is '3' or greater, the above is extended as follows. +** First, the POSIX TZ string's hour offset may range from -167 +** through 167 as compared to the POSIX-required 0 through 24. +** Second, its DST start time may be January 1 at 00:00 and its stop +** time December 31 at 24:00 plus the difference between DST and +** standard time, indicating DST all year. */ /* @@ -94,16 +101,8 @@ struct tzhead { #endif /* !defined TZ_MAX_TIMES */ #ifndef TZ_MAX_TYPES -#ifndef NOSOLAR +/* This must be at least 17 for Europe/Samara and Europe/Vilnius. */ #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 @@ -122,7 +121,7 @@ struct tzhead { #define DAYSPERNYEAR 365 #define DAYSPERLYEAR 366 #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) -#define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY) +#define SECSPERDAY ((int_fast32_t) SECSPERHOUR * HOURSPERDAY) #define MONSPERYEAR 12 #define TM_SUNDAY 0 |