From 1fb94571016a41d7ea6ae49a9f61deb5149a6fa4 Mon Sep 17 00:00:00 2001
From: Charlie Vigue <charlie.vigue@openvpn.com>
Date: Thu, 3 Oct 2024 02:05:40 +0000
Subject: [PATCH] Logger: Make the logger more const friendly.

This change fixes no issues but it does enable the fixing of several
issues and should eliminate issues going forward.

Signed-off-by: Charlie Vigue <charlie.vigue@openvpn.com>
---
 openvpn/log/logger.hpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/openvpn/log/logger.hpp b/openvpn/log/logger.hpp
index 44a0c9e0..130b8c85 100644
--- a/openvpn/log/logger.hpp
+++ b/openvpn/log/logger.hpp
@@ -87,7 +87,7 @@ class Logger
      * @param msg   the message to print
      */
     template <int LEVEL, typename T>
-    void log(T &&msg)
+    void log(T &&msg) const
     {
         /* this ensures that the function is empty if MAX_LEVEL excludes this level */
         if constexpr (max_log_level >= LEVEL)
@@ -103,7 +103,7 @@ class Logger
      * @param msg   the message to print
      */
     template <typename T>
-    void log_trace(T &&msg)
+    void log_trace(T &&msg) const
     {
         log<LOG_LEVEL_TRACE>(std::forward<T>(msg));
     }
@@ -114,7 +114,7 @@ class Logger
      * @param msg   the message to print
      */
     template <typename T>
-    void log_debug(T &&msg)
+    void log_debug(T &&msg) const
     {
         log<LOG_LEVEL_DEBUG>(std::forward<T>(msg));
     }
@@ -125,7 +125,7 @@ class Logger
      * @param msg   the message to print
      */
     template <typename T>
-    void log_info(T &&msg)
+    void log_info(T &&msg) const
     {
         log<LOG_LEVEL_INFO>(std::forward<T>(msg));
     }
@@ -135,7 +135,7 @@ class Logger
      * @param msg   the message to log
      */
     template <typename T>
-    void log_verbose(T &&msg)
+    void log_verbose(T &&msg) const
     {
         log<LOG_LEVEL_VERB>(std::forward<T>(msg));
     }
@@ -145,7 +145,7 @@ class Logger
      * @param msg   the message to log
      */
     template <typename T>
-    void log_error(T &&msg)
+    void log_error(T &&msg) const
     {
         log<LOG_LEVEL_ERROR>(std::forward<T>(msg));
     }