/* * tws.h * * $Id: tws.h,v 1.2 2000/07/24 23:24:22 danh Exp $ */ /* If the following is #defined, a timezone given as a numeric-only offset will be treated specially if it's in a zone that observes Daylight Saving Time. For instance, during DST, a Date: like "Mon, 24 Jul 2000 12:31:44 -0700" will be printed as "Mon, 24 Jul 2000 12:31:44 PDT". Without the code activated by the following #define, that'd be incorrectly printed as "...MST". */ #define ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST 1 struct tws { int tw_sec; /* seconds after the minute - [0, 61] */ int tw_min; /* minutes after the hour - [0, 59] */ int tw_hour; /* hour since midnight - [0, 23] */ int tw_mday; /* day of the month - [1, 31] */ int tw_mon; /* months since January - [0, 11] */ int tw_year; /* 4 digit year (ie, 1997) */ int tw_wday; /* days since Sunday - [0, 6] */ int tw_yday; /* days since January 1 - [0, 365] */ int tw_zone; time_t tw_clock; /* if != 0, corresponding calendar value */ int tw_flags; }; #define TW_NULL 0x0000 #define TW_SDAY 0x0003 /* how day-of-week was determined */ #define TW_SNIL 0x0000 /* not given */ #define TW_SEXP 0x0001 /* explicitly given */ #define TW_SIMP 0x0002 /* implicitly given */ #define TW_SZONE 0x0004 /* how timezone was determined */ #define TW_SZNIL 0x0000 /* not given */ #define TW_SZEXP 0x0004 /* explicitly given */ #define TW_DST 0x0010 /* daylight savings time */ #define TW_ZONE 0x0020 /* use numeric timezones only */ #define TW_SUCC 0x0040 /* whether parsing was successful */ #define TW_YES 0x0040 /* yes, found */ #define TW_NO 0x0000 /* no, not found */ #define dtwszone(tw) dtimezone (tw->tw_zone, tw->tw_flags) extern char *tw_dotw[]; extern char *tw_ldotw[]; extern char *tw_moty[]; /* * prototypes */ char *dtime (time_t *, int); char *dtimenow (int); char *dctime (struct tws *); struct tws *dlocaltimenow (void); struct tws *dlocaltime (time_t *); struct tws *dgmtime (time_t *); char *dasctime (struct tws *, int); char *dtimezone (int, int); void twscopy (struct tws *, struct tws *); int twsort (struct tws *, struct tws *); time_t dmktime (struct tws *); void set_dotw (struct tws *); struct tws *dparsetime (char *);