lib/crtdll/sys_stat/systime.c

   1 #include <windows.h>
   2 #include <msvcrt/sys/time.h>
   3
   4
   5 int month[12] = { 31,28,31,30,31,30,31,31,30,31,30,31};
   6
   7 /*
   8  * @unimplemented
   9  */
  10 unsigned int _getsystime(struct tm* tp)
  11 {
  12     SYSTEMTIME Time;
  13     TIME_ZONE_INFORMATION TimeZoneInformation;
  14     DWORD TimeZoneId;
  15     int i;
  16
  17     GetLocalTime(&Time);
  18
  19     tp->tm_year = Time.wYear - 1900;
  20     tp->tm_mon = Time.wMonth - 1;
  21     tp->tm_wday = Time.wDayOfWeek;
  22     tp->tm_mday = Time.wDay;
  23     tp->tm_hour = Time.wHour;
  24     tp->tm_min = Time.wMinute;
  25     tp->tm_sec = Time.wSecond;
  26
  27     tp->tm_isdst = -1;
  28
  29     //FIXME GetTimeZoneInformation currently not in kernel32
  30
  31     //TimeZoneId =  GetTimeZoneInformation(&TimeZoneInformation );
  32     //if ( TimeZoneId == TIME_ZONE_ID_DAYLIGHT ) {
  33     //  tp->tm_isdst = 1;
  34     //}
  35     //else
  36     //  tp->tm_isdst = 0;
  37
  38     if (tp->tm_year % 4 == 0) {
  39         if (tp->tm_year % 100 != 0)
  40             tp->tm_yday = 1;
  41         else if ((tp->tm_year-100) % 1000 == 0)
  42             tp->tm_yday = 1;
  43     }
  44
  45     for (i = 0; i <= tp->tm_mon; i++)
  46         tp->tm_yday += month[i];
  47
  48     return Time.wMilliseconds;
  49 }
  50
  51
  52 /*
  53  * @implemented
  54  */
  55 unsigned int _setsystime(struct tm* tp, unsigned int ms)
  56 {
  57     SYSTEMTIME Time;
  58
  59     Time.wYear = tp->tm_year + 1900;
  60     Time.wMonth = tp->tm_mon + 1;
  61     Time.wDayOfWeek = tp->tm_wday;
  62     Time.wDay = tp->tm_mday;
  63     Time.wHour = tp->tm_hour;
  64     Time.wMinute = tp->tm_min;
  65     Time.wSecond = tp->tm_sec;
  66     Time.wMilliseconds = ms;
  67
  68     if (!SetLocalTime(&Time))
  69         return -1;
  70
  71     return 0;
  72 }