diplodocus.org Git - nmh/blob - zotnet/tws/tws.h

   1
   2 /*
   3  * tws.h
   4  *
   5  * $Id$
   6  */
   7
   8 /* DST vs. GMT nonsense */
   9 #define DSTXXX
  10
  11 struct tws {
  12     int tw_sec;         /* seconds after the minute - [0, 61] */
  13     int tw_min;         /* minutes after the hour - [0, 59]   */
  14     int tw_hour;        /* hour since midnight - [0, 23]      */
  15     int tw_mday;        /* day of the month - [1, 31]         */
  16     int tw_mon;         /* months since January - [0, 11]     */
  17     int tw_year;        /* 4 digit year (ie, 1997)            */
  18     int tw_wday;        /* days since Sunday - [0, 6]         */
  19     int tw_yday;        /* days since January 1 - [0, 365]    */
  20     int tw_zone;
  21     time_t tw_clock;    /* if != 0, corresponding calendar value */
  22     int tw_flags;
  23 };
  24
  25 #define TW_NULL  0x0000
  26
  27 #define TW_SDAY  0x0003 /* how day-of-week was determined */
  28 #define TW_SNIL  0x0000 /*   not given                    */
  29 #define TW_SEXP  0x0001 /*   explicitly given             */
  30 #define TW_SIMP  0x0002 /*   implicitly given             */
  31
  32 #define TW_SZONE 0x0004 /* how timezone was determined    */
  33 #define TW_SZNIL 0x0000 /*   not given                    */
  34 #define TW_SZEXP 0x0004 /*   explicitly given             */
  35
  36 #define TW_DST   0x0010 /* daylight savings time          */
  37 #define TW_ZONE  0x0020 /* use numeric timezones only     */
  38
  39 #define dtwszone(tw) dtimezone (tw->tw_zone, tw->tw_flags)
  40
  41 extern char *tw_dotw[];
  42 extern char *tw_ldotw[];
  43 extern char *tw_moty[];
  44
  45 /*
  46  * prototypes
  47  */
  48 char *dtime (time_t *, int);
  49 char *dtimenow (int);
  50 char *dctime (struct tws *);
  51 struct tws *dlocaltimenow (void);
  52 struct tws *dlocaltime (time_t *);
  53 struct tws *dgmtime (time_t *);
  54 char *dasctime (struct tws *, int);
  55 char *dtimezone (int, int);
  56 void twscopy (struct tws *, struct tws *);
  57 int twsort (struct tws *, struct tws *);
  58 time_t dmktime (struct tws *);
  59 void set_dotw (struct tws *);
  60
  61 struct tws *dparsetime (char *);
  62