You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.1 KiB
50 lines
1.1 KiB
#include <time.h>
|
|
#include <Winsock2.h> /* to get timeval struct */
|
|
|
|
struct timezone
|
|
{
|
|
int tz_minuteswest; /* minutes W of Greenwich */
|
|
int tz_dsttime; /* type of dst correction */
|
|
};
|
|
#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
|
|
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
|
|
#else
|
|
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
|
|
#endif
|
|
|
|
static int gettimeofday(struct timeval *tv, struct timezone *tz)
|
|
{
|
|
FILETIME ft;
|
|
unsigned __int64 tmpres = 0;
|
|
static int tzflag;
|
|
|
|
if (NULL != tv)
|
|
{
|
|
GetSystemTimeAsFileTime(&ft);
|
|
|
|
tmpres |= ft.dwHighDateTime;
|
|
tmpres <<= 32;
|
|
tmpres |= ft.dwLowDateTime;
|
|
|
|
/*converting file time to unix epoch*/
|
|
tmpres /= 10; /*convert into microseconds*/
|
|
tmpres -= DELTA_EPOCH_IN_MICROSECS;
|
|
tv->tv_sec = (long)(tmpres / 1000000UL);
|
|
tv->tv_usec = (long)(tmpres % 1000000UL);
|
|
}
|
|
|
|
if (NULL != tz)
|
|
{
|
|
if (!tzflag)
|
|
{
|
|
_tzset();
|
|
tzflag++;
|
|
}
|
|
tz->tz_minuteswest = _timezone / 60;
|
|
tz->tz_dsttime = _daylight;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|