From 0352dbfd65072f42824852b2f5b925e7d9865a90 Mon Sep 17 00:00:00 2001
From: William Speirs <bill.speirs@gmail.com>
Date: Tue, 14 Oct 2014 17:07:30 -0400
Subject: Fixed log so it will compile under Visual Studio - Included an
 implementation of gettimeofday

---
 kernel/log.cc | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

(limited to 'kernel/log.cc')

diff --git a/kernel/log.cc b/kernel/log.cc
index 87a75410..4585e7ef 100644
--- a/kernel/log.cc
+++ b/kernel/log.cc
@@ -21,7 +21,10 @@
 #include "libs/sha1/sha1.h"
 #include "backends/ilang/ilang_backend.h"
 
-#include <sys/time.h>
+#ifndef _WIN32
+	#include <sys/time.h>
+#endif
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -48,6 +51,26 @@ static struct timeval initial_tv = { 0, 0 };
 static bool next_print_log = false;
 static int log_newline_count = 0;
 
+#ifdef _WIN32
+// this will get time information and return it in timeval, simulating gettimeofday()
+int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+	LARGE_INTEGER counter;
+	LARGE_INTEGER freq;
+
+	QueryPerformanceFrequency(&freq);
+	QueryPerformanceCounter(&counter);
+
+	counter.QuadPart *= 1000000;
+	counter.QuadPart /= freq.QuadPart;
+
+	tv->tv_sec = counter.QuadPart / 1000000;
+	tv->tv_usec = counter.QuadPart % 1000000;
+
+	return 0;
+}
+#endif
+
 void logv(const char *format, va_list ap)
 {
 	while (format[0] == '\n' && format[1] != 0) {
-- 
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