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/*
* timeval.h 1.0 01/12/19
x *
* Defines gettimeofday, timeval, etc. for Win32
*
* By Wu Yongwei
*
*/
#ifndef _TIMEVAL_H
#define _TIMEVAL_H
#ifndef _WINSOCKAPI_
#ifndef _WINSOCK2API_
/* mingw32 libs (-mno-cygwin) */
/* gcc test */
#ifndef __GNUC__
#define EPOCHFILETIME (116444736000000000i64)
#else
#define EPOCHFILETIME (116444736000000000LL)
#endif
/* needed by cygwin,mingw wms */
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <time.h>
/* mingw has timeval already defined */
#ifndef _TIMEVAL_DEFINED
struct timeval
{
long tv_sec; /* seconds */
long tv_usec; /* microseconds */
};
#endif
struct timezone
{
int tz_minuteswest; /* minutes W of Greenwich */
int tz_dsttime; /* type of dst correction */
};
/* WMS doesnt allow inline export (6.0) */
#ifdef WMS
__inline int
gettimeofday (struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
static int tzflag;
if (tv) {
GetSystemTimeAsFileTime (&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart; /* In 100-nanosecond intervals */
t -= EPOCHFILETIME; /* Offset to the Epoch time */
t /= 10; /* In microseconds */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
}
if (tz) {
if (!tzflag) {
_tzset ();
tzflag++;
}
tz->tz_minuteswest = _timezone / 60;
tz->tz_dsttime = _daylight;
}
return 0;
}
#else /* __MINGW32__ ,cygwin */
#include <sys/time.h>
extern __inline int gettimeofday (struct timeval *tv, struct timezone *tz);
#endif
#else
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif /* _WIN32 */
#endif // winsock2
#endif // winsock
#endif /* _TIMEVAL_H */
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