time_t wce_getYdayFromSYSTEMTIME(const SYSTEMTIME* s)
{
__int64 t;
FILETIME f1, f2;
f1 = wce_getFILETIMEFromYear( s->wYear );
SystemTimeToFileTime( s, &f2 );
t = wce_FILETIME2int64(f2)-wce_FILETIME2int64(f1);
return (time_t)((t/_onesec_in100ns)/(60*60*24));
}
static time_t wce_FILETIME2time_t(const FILETIME* f)
{
FILETIME f1601, f1970;
__int64 t, offset;
f1601 = wce_getFILETIMEFromYear(1601);
f1970 = wce_getFILETIMEFromYear(1970);
offset = wce_FILETIME2int64(f1970) - wce_FILETIME2int64(f1601);
t = wce_FILETIME2int64(*f);
t -= offset;
return (time_t)(t / _onesec_in100ns);
}
time_t mktime(struct tm* pt)
{
SYSTEMTIME ss, ls, s;
FILETIME sf, lf, f;
__int64 diff;
GetSystemTime(&ss);
GetLocalTime(&ls);
SystemTimeToFileTime( &ss, &sf );
SystemTimeToFileTime( &ls, &lf );
diff = (wce_FILETIME2int64(lf)-wce_FILETIME2int64(sf))/_onesec_in100ns;
s = wce_tm2SYSTEMTIME(pt);
SystemTimeToFileTime( &s, &f );
return wce_FILETIME2time_t(&f) - (time_t)diff;
}
FILETIME wce_time_t2FILETIME(const time_t t)
{
FILETIME f, f1970;
__int64 time;
f1970 = wce_getFILETIMEFromYear(1970);
time = t;
time *= _onesec_in100ns;
time += wce_FILETIME2int64(f1970);
f = wce_int642FILETIME(time);
return f;
}