From 6ab064d04d76d057401aeb598fe300deb48b4965 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Mon, 23 Sep 2019 22:07:57 +0200
Subject: USe safer functions, gmtime_r and localtime_r

---
 src/utils/time.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/utils/time.cpp')

diff --git a/src/utils/time.cpp b/src/utils/time.cpp
index 71306fd..2812c72 100644
--- a/src/utils/time.cpp
+++ b/src/utils/time.cpp
@@ -1,5 +1,5 @@
 #include <utils/time.hpp>
-#include <ctime>
+#include <time.h>
 
 #include <sstream>
 #include <iomanip>
@@ -14,7 +14,8 @@ std::string to_string(const std::chrono::system_clock::time_point::rep& time)
   constexpr std::size_t stamp_size = 21;
   const std::time_t timestamp = static_cast<std::time_t>(time);
   char date_buf[stamp_size];
-  if (std::strftime(date_buf, stamp_size, "%FT%TZ", std::gmtime(&timestamp)) != stamp_size - 1)
+  struct tm tm;
+  if (std::strftime(date_buf, stamp_size, "%FT%TZ", gmtime_r(&timestamp, &tm)) != stamp_size - 1)
     return "";
   return {std::begin(date_buf), std::end(date_buf) - 1};
 }
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