From 0fe562b5b0feec4ff59449a166c8364f9c8cb16e Mon Sep 17 00:00:00 2001
From: Izaak Beekman <zbeekman@gmail.com>
Date: Fri, 18 Jan 2019 11:39:34 -0500
Subject: [PATCH] Attempt fix for missing windows includes

---
 base/modules/cutil.c        |   7 ++-
 base/modules/fakempi.c      |   5 ++
 base/modules/gettimeofday.c | 101 ++++++++++++++++--------------------
 3 files changed, 56 insertions(+), 57 deletions(-)

diff --git a/base/modules/cutil.c b/base/modules/cutil.c
index 13b7e1e94..094911931 100644
--- a/base/modules/cutil.c
+++ b/base/modules/cutil.c
@@ -1,4 +1,9 @@
+#ifdef WIN32
+#include <time.h>
+#include <windows.h>
+#else
 #include <sys/time.h>
+#endif
 #include <stdio.h>
 #include <string.h>
 #include "psb_internals.h"
@@ -15,7 +20,7 @@
 #ifdef UpperUnderscore
 #define psi_c_diffadd   PSI_C_DIFFADD_
 #endif
-#ifdef UpperDoubleUnderscore 
+#ifdef UpperDoubleUnderscore
 #define psi_c_diffadd   PSI_C_DIFFADD__
 #endif
 #ifdef UpperCase
diff --git a/base/modules/fakempi.c b/base/modules/fakempi.c
index 9bf817334..e9b54f634 100644
--- a/base/modules/fakempi.c
+++ b/base/modules/fakempi.c
@@ -1,4 +1,9 @@
+#ifdef WIN32
+#include <time.h>
+#include <windows.h>
+#else
 #include <sys/time.h>
+#endif
 #include <stdio.h>
 #include <string.h>
 #include "psb_internals.h"
diff --git a/base/modules/gettimeofday.c b/base/modules/gettimeofday.c
index 46d16519d..be0422717 100644
--- a/base/modules/gettimeofday.c
+++ b/base/modules/gettimeofday.c
@@ -1,59 +1,48 @@
-/*
- * gettimeofday.c
- *    Win32 gettimeofday() replacement
- *
- * src/port/gettimeofday.c
- *
- * Copyright (c) 2003 SRA, Inc.
- * Copyright (c) 2003 SKC, Inc.
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose, without fee, and without a
- * written agreement is hereby granted, provided that the above
- * copyright notice and this paragraph and the following two
- * paragraphs appear in all copies.
- *
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
- * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
- * LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
- * DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS
- * IS" BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
- * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#include "c.h"
-
-#include <sys/time.h>
-
-
-/* FILETIME of Jan 1 1970 00:00:00. */
-static const unsigned __int64 epoch = ((unsigned __int64) 116444736000000000ULL);
-
-/*
- * timezone information is stored outside the kernel so tzp isn't used anymore.
- *
- * Note: this function is not for Win32 high precision timing purpose. See
- * elapsed_time().
- */
-int
-gettimeofday(struct timeval * tp, struct timezone * tzp)
+#include <time.h>
+#include <windows.h>
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
+#else
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
+#endif
+
+struct timezone
 {
-    FILETIME    file_time;
-    SYSTEMTIME  system_time;
-    ULARGE_INTEGER ularge;
-
-    GetSystemTime(&system_time);
-    SystemTimeToFileTime(&system_time, &file_time);
-    ularge.LowPart = file_time.dwLowDateTime;
-    ularge.HighPart = file_time.dwHighDateTime;
+  int  tz_minuteswest; /* minutes W of Greenwich */
+  int  tz_dsttime;     /* type of dst correction */
+};
 
-    tp->tv_sec = (long) ((ularge.QuadPart - epoch) / 10000000L);
-    tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
-
-    return 0;
+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;
 }