From 610c48ddcbf1cc82ac9db3d2a62dc80af1a1b763 Mon Sep 17 00:00:00 2001
From: Thulinma <jaron@vietors.com>
Date: Thu, 30 Jul 2015 11:57:23 +0200
Subject: [PATCH] Added getUTCString call to Util library.

---
 lib/timing.cpp | 12 ++++++++++++
 lib/timing.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/lib/timing.cpp b/lib/timing.cpp
index 3d7673a1..1d760ab1 100644
--- a/lib/timing.cpp
+++ b/lib/timing.cpp
@@ -4,6 +4,8 @@
 #include "timing.h"
 #include <sys/time.h>//for gettimeofday
 #include <time.h>//for time and nanosleep
+#include <cstring>
+#include <cstdio>
 
 //emulate clock_gettime() for OSX compatibility
 #if defined(__APPLE__) || defined(__MACH__)
@@ -97,3 +99,13 @@ long long unsigned int Util::getMicros(long long unsigned int previous) {
 long long int Util::epoch() {
   return time(0);
 }
+
+std::string Util::getUTCString(long long int epoch){
+  if (!epoch){epoch = time(0);}
+  time_t rawtime = epoch;
+  struct tm * ptm;
+  ptm = gmtime(&rawtime);
+  char result[20];
+  snprintf(result, 20, "%0.4d-%0.2d-%0.2dT%0.2d:%0.2d:%0.2d", ptm->tm_year+1900, ptm->tm_mon+1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min, ptm->tm_sec);
+  return std::string(result);
+}
diff --git a/lib/timing.h b/lib/timing.h
index 0c027a45..e7486806 100644
--- a/lib/timing.h
+++ b/lib/timing.h
@@ -2,6 +2,7 @@
 /// Utilities for handling time and timestamps.
 
 #pragma once
+#include <string>
 
 namespace Util {
   void wait(int ms); ///< Sleeps for the indicated amount of milliseconds or longer.
@@ -12,4 +13,5 @@ namespace Util {
   long long unsigned int getMicros(long long unsigned int previous);///<Gets the time difference in microseconds.
   long long int getNTP();
   long long int epoch(); ///< Gets the amount of seconds since 01/01/1970.
+  std::string getUTCString(long long int epoch = 0);
 }