From 31d9c3cd7a36b56922f16056f50b7467a79be5cd Mon Sep 17 00:00:00 2001
From: gabime <gmelman1@gmail.com>
Date: Mon, 2 Oct 2023 00:04:20 +0300
Subject: [PATCH] Added comment about log_msg_buffer

---
 src/details/log_msg_buffer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/details/log_msg_buffer.cpp b/src/details/log_msg_buffer.cpp
index b3fd95d5..3cd86a9f 100644
--- a/src/details/log_msg_buffer.cpp
+++ b/src/details/log_msg_buffer.cpp
@@ -6,6 +6,10 @@
 namespace spdlog {
 namespace details {
 
+// copy logger name and payload to buffer so can be used asynchronously
+// note: source location pointers are copied without allocation since they
+// are compiler generated const chars* (__FILE__, __LINE__, __FUNCTION__)
+// if you pass custom strings to source location, make sure they outlive the log_msg_buffer
 log_msg_buffer::log_msg_buffer(const log_msg &orig_msg)
     : log_msg{orig_msg} {
     buffer.append(logger_name.begin(), logger_name.end());