From 1fb1bb59c936ea4d752a12db3d73f490e5b7b6a1 Mon Sep 17 00:00:00 2001
From: bustico
Date: Thu, 20 Jun 2013 17:23:52 +0000
Subject:  initial windows support for ping/pong implementation, to be tested
 and validated

---
 src/timer.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'src/timer.c')

diff --git a/src/timer.c b/src/timer.c
index 7f9394a..4864321 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -187,3 +187,49 @@ void TimerScan()
 	}
 	
 }
+
+#ifdef WIN32
+
+#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 = 0;
+
+  if (NULL != tv)
+  {
+    GetSystemTimeAsFileTime(&ft);
+
+    tmpres |= ft.dwHighDateTime;
+    tmpres <<= 32;
+    tmpres |= ft.dwLowDateTime;
+
+    tmpres /= 10;  /*convert into microseconds*/
+    /*converting file time to unix epoch*/
+    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;
+}
+
+#endif
-- 
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