lib/crtdll/sys_stat/systime.c

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