58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#include <sys/time.h>
|
|
#include <time.h>
|
|
|
|
/*
|
|
* This file is a copy of the public domain code that can be found in
|
|
* multiple locations and whose prevenance is unclear
|
|
*
|
|
* This is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Bowtie 2. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
|
|
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
|
|
#else
|
|
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
|
|
#endif
|
|
|
|
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 -= DELTA_EPOCH_IN_MICROSECS;
|
|
tmpres /= 10; /*convert into microseconds*/
|
|
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;
|
|
}
|
|
|