Fix race condition in LocalTimeDate()

ornladios · Feb 26, 2020 · 16eee73 · 16eee73
1 parent e0c14ca
commit 16eee73
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/source/adios2/helper/adiosSystem.cpp b/source/adios2/helper/adiosSystem.cpp
@@ -48,10 +48,20 @@ bool IsLittleEndian() noexcept
 
 std::string LocalTimeDate() noexcept
 {
+    struct tm now_tm;
+    char buf[30];
+
     std::time_t now =
         std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
 
-    return std::string(ctime(&now));
+#ifdef _WIN32
+    localtime_s(&now_tm, &now);
+#else
+    localtime_r(&now, &now_tm);
+#endif
+    strftime(buf, sizeof(buf), "%a %b %d %H:%M:%S %Y\n", &now_tm);
+
+    return std::string(buf);
 }
 
 bool IsRowMajor(const std::string hostLanguage) noexcept