compiler/include/dos/datetime.h

   1 #ifndef DOS_DATETIME_H
   2 #define DOS_DATETIME_H
   3
   4 /*
   5     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Structures to handle date and time
   9     Lang: english
  10 */
  11
  12 #ifndef DOS_DOS_H
  13 #   include <dos/dos.h>
  14 #endif
  15
  16 /* DateStamp structure as defined in <dos/dos.h>. This structure
  17    sufficiently describes a system-date and -time (i.e. any date since
  18    1.1.1978).
  19
  20    struct DateStamp
  21    {
  22       LONG ds_Days;   ** Number of days since 1.1.1978 **
  23       LONG ds_Minute; ** Number of minutes since midnight **
  24       LONG ds_Tick;   ** Number of ticks (1/50 second) in the current minute
  25                          Note that this may not be exact **
  26    };
  27 */
  28
  29
  30 /* DateTime is used by StrToDate() and DateToStr(). It descibes not only
  31    a date, but supplies also pointers to strings describing the date in
  32    human-readable form.
  33 */
  34 struct DateTime
  35 {
  36     struct DateStamp dat_Stamp;   /* see above */
  37     UBYTE            dat_Format;  /* Describes, which format the strings
  38                                      should have (see below) */
  39     UBYTE            dat_Flags;   /* see below */
  40     /* The following pointers may be NULL under certain circumstances. */
  41     UBYTE          * dat_StrDay;  /* Day of the week string */
  42     UBYTE          * dat_StrDate; /* Date string */
  43     UBYTE          * dat_StrTime; /* Time string */
  44 };
  45
  46 /* You need this much room for each of the DateTime strings. */
  47 #define LEN_DATSTRING 16
  48
  49 /* dat_Format */
  50 #define FORMAT_DOS 0          /* DOS internal format, e.g. 21-Jan-78 */
  51 #define FORMAT_INT 1          /* International format, e.g. 78-01-21 */
  52 #define FORMAT_USA 2          /* US-American format, e.g. 01-21-78 */
  53 #define FORMAT_CDN 3          /* Canadian format, e.g. 21-01-78 */
  54 #define FORMAT_DEF 4          /* Format of current locale */
  55 #define FORMAT_MAX FORMAT_CDN
  56
  57 /* dat_Flags */
  58 #define DTB_SUBST  0 /* Substitute Today, Tomorrow, etc. if possible. */
  59 #define DTB_FUTURE 1 /* Day of the week is in future. */
  60 #define DTF_SUBST  (1<<DTB_SUBST)
  61 #define DTF_FUTURE (1<<DTB_FUTURE)
  62
  63 #endif /* DOS_DATETIME_H */