From cc98e9850dc7299a77c689113e61487e2a1f7c14 Mon Sep 17 00:00:00 2001
From: Alexander Zvyagin <Zvyagin.Alexander@gmail.com>
Date: Wed, 20 Mar 2019 15:29:38 +0100
Subject: [PATCH] Avoid unnecessary conversion of log_msg::payload to
 std::string.

---
 include/spdlog/sinks/systemd_sink.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/spdlog/sinks/systemd_sink.h b/include/spdlog/sinks/systemd_sink.h
index fe748a6b..d6b9db73 100644
--- a/include/spdlog/sinks/systemd_sink.h
+++ b/include/spdlog/sinks/systemd_sink.h
@@ -59,8 +59,9 @@ protected:
     {
         if( sd_journal_print(
                 syslog_level(msg.level),
-                "%s",
-                fmt::to_string(msg.payload).c_str()
+                "%.*s",
+                static_cast<int>(msg.payload.size()),
+                msg.payload.data()
             )
         )
             throw spdlog_ex("Failed writing to systemd");