From abd58a2fcae767e9074c49b64e9c89e5168d7005 Mon Sep 17 00:00:00 2001
From: Aaron Clauson <aaron@sipsorcery.com>
Date: Fri, 20 Apr 2018 08:41:15 +1000
Subject: [PATCH] Fix for utiltime to compile with msvc.

---
 src/utiltime.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/utiltime.cpp b/src/utiltime.cpp
index 34800c7b6..e60996efe 100644
--- a/src/utiltime.cpp
+++ b/src/utiltime.cpp
@@ -79,20 +79,32 @@ void MilliSleep(int64_t n)
 std::string FormatISO8601DateTime(int64_t nTime) {
     struct tm ts;
     time_t time_val = nTime;
+#ifdef _MSC_VER
+    gmtime_s(&ts, &time_val);
+#else
     gmtime_r(&time_val, &ts);
+#endif
     return strprintf("%04i-%02i-%02iT%02i:%02i:%02iZ", ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday, ts.tm_hour, ts.tm_min, ts.tm_sec);
 }
 
 std::string FormatISO8601Date(int64_t nTime) {
     struct tm ts;
     time_t time_val = nTime;
+#ifdef _MSC_VER
+    gmtime_s(&ts, &time_val);
+#else
     gmtime_r(&time_val, &ts);
+#endif
     return strprintf("%04i-%02i-%02i", ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday);
 }
 
 std::string FormatISO8601Time(int64_t nTime) {
     struct tm ts;
     time_t time_val = nTime;
+#ifdef _MSC_VER
+    gmtime_s(&ts, &time_val);
+#else
     gmtime_r(&time_val, &ts);
+#endif
     return strprintf("%02i:%02i:%02iZ", ts.tm_hour, ts.tm_min, ts.tm_sec);
 }