reactos/sdk/lib/crt/sys_stat/systime.c

78 lines
1.6 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/sdk/crt/sys_stat/systime.c
* PURPOSE: Unknown
* PROGRAMER: Unknown
* UPDATE HISTORY:
* 25/11/05: Added license header
*/
#include <precomp.h>
int month[12] = { 31,28,31,30,31,30,31,31,30,31,30,31};
/*
* @unimplemented
*/
unsigned int _getsystime(struct tm* tp)
{
SYSTEMTIME Time;
int i;
DWORD TimeZoneId;
TIME_ZONE_INFORMATION TimeZoneInformation;
GetLocalTime(&Time);
tp->tm_year = Time.wYear - 1900;
tp->tm_mon = Time.wMonth - 1;
tp->tm_wday = Time.wDayOfWeek;
tp->tm_mday = Time.wDay;
tp->tm_hour = Time.wHour;
tp->tm_min = Time.wMinute;
tp->tm_sec = Time.wSecond;
tp->tm_isdst = -1;
TimeZoneId = GetTimeZoneInformation(&TimeZoneInformation);
if (TimeZoneId == TIME_ZONE_ID_DAYLIGHT){
tp->tm_isdst = 1;
}
else
tp->tm_isdst = 0;
if (tp->tm_year % 4 == 0) {
if (tp->tm_year % 100 != 0)
tp->tm_yday = 1;
else if ((tp->tm_year-100) % 1000 == 0)
tp->tm_yday = 1;
}
for (i = 0; i <= tp->tm_mon; i++)
tp->tm_yday += month[i];
return Time.wMilliseconds;
}
/*
* @implemented
*/
unsigned int _setsystime(struct tm* tp, unsigned int ms)
{
SYSTEMTIME Time;
Time.wYear = tp->tm_year + 1900;
Time.wMonth = tp->tm_mon + 1;
Time.wDayOfWeek = tp->tm_wday;
Time.wDay = tp->tm_mday;
Time.wHour = tp->tm_hour;
Time.wMinute = tp->tm_min;
Time.wSecond = tp->tm_sec;
Time.wMilliseconds = ms;
if (!SetLocalTime(&Time))
return -1;
return 0;
}