pz_gettime.h

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#ifndef PZ_GETTIME_H
#define PZ_GETTIME_H

#include <pz_config.h>

#ifdef VC
                //We need to implement gettimeofday function on windows environment.
                #include <time.h>
                #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
                  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
                #else
                  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
                #endif
 
                struct timezone 
                {
                  int  tz_minuteswest; /* minutes W of Greenwich */
                  int  tz_dsttime;     /* type of dst correction */
                };
 
                inline 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 = (int64_t)(tmpres / 1000000UL);
                                tv->tv_usec = (int64_t)(tmpres % 1000000UL);
                  }
 
                  if (NULL != tz)
                  {
                                if (!tzflag)
                                {
                                  _tzset();
                                  tzflag++;
                                }
                                tz->tz_minuteswest = _timezone / 60;
                                tz->tz_dsttime = _daylight;
                  }
 
                  return 0;
                }
#else // VC

#include<sys/time.h>

#endif // VC

#endif // PZ_GETTIME_H