From f20a62749e5f1736866d0e95f1360259a747132c Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Sat, 18 Nov 2017 21:07:26 -1000
Subject: [PATCH] Lockless return when no loggers are registered

---
 include/logvisor/logvisor.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/logvisor/logvisor.hpp b/include/logvisor/logvisor.hpp
index 2355366..51579bc 100644
--- a/include/logvisor/logvisor.hpp
+++ b/include/logvisor/logvisor.hpp
@@ -173,6 +173,8 @@ public:
     template <typename CharType>
     inline void report(Level severity, const CharType* format, ...)
     {
+        if (MainLoggers.empty() && severity != Level::Fatal)
+            return;
         va_list ap;
         va_start(ap, format);
         report(severity, format, ap);
@@ -208,6 +210,8 @@ public:
     template <typename CharType>
     inline void reportSource(Level severity, const char* file, unsigned linenum, const CharType* format, ...)
     {
+        if (MainLoggers.empty() && severity != Level::Fatal)
+            return;
         va_list ap;
         va_start(ap, format);
         reportSource(severity, file, linenum, format, ap);