arch/all-unix/battclock/readbattclock.c

   1 /*
   2     Copyright © 1995-2010, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: ReadBattClock() function.
   6     Lang: english
   7 */
   8
   9 #include <proto/battclock.h>
  10 #include <proto/utility.h>
  11 #include <utility/date.h>
  12
  13 #include "battclock_intern.h"
  14
  15 AROS_LH0(ULONG, ReadBattClock, struct BattClockBase *, BattClockBase, 2, Battclock)
  16 {
  17     AROS_LIBFUNC_INIT
  18
  19     time_t t;
  20     struct tm *tm;
  21     struct ClockData date;
  22
  23     BattClockBase->SysIFace->time(&t);
  24     AROS_HOST_BARRIER
  25
  26     /*
  27      * On UNIX time() returns local time instead of GMT.
  28      * So we have all this clutter. Note that we use host function
  29      * in order to convert to GMT while we could in fact use AROS one.
  30      * This is because theoretically AROS and our host can be set
  31      * to different time zones. Additionally we use host OS includes
  32      * for definitions of struct tm and time_t.
  33      */
  34     tm = BattClockBase->SysIFace->localtime(&t);
  35     AROS_HOST_BARRIER
  36
  37     date.year  = tm->tm_year + 1900;
  38     date.month = tm->tm_mon + 1;
  39     date.mday  = tm->tm_mday;
  40     date.hour  = tm->tm_hour;
  41     date.min   = tm->tm_min;
  42     date.sec   = tm->tm_sec;
  43
  44     return Date2Amiga(&date);
  45
  46     AROS_LIBFUNC_EXIT
  47 } /* ReadBattClock */