From 4cbc6035e79bb9784f677d08cf95ae78a39811ed Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 4 Aug 2020 01:07:49 +0300
Subject: [PATCH] Minor logging speed improvement.

GitOrigin-RevId: b09db1051a11e477f20bfb35fd9a37c9173a8c2a
---
 tdutils/td/utils/logging.cpp | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/tdutils/td/utils/logging.cpp b/tdutils/td/utils/logging.cpp
index 03e953816..c2a771bc9 100644
--- a/tdutils/td/utils/logging.cpp
+++ b/tdutils/td/utils/logging.cpp
@@ -56,18 +56,22 @@ Logger::Logger(LogInterface &log, const LogOptions &options, int log_level, Slic
 
   // log level
   sb_ << '[';
-  if (log_level < 10) {
-    sb_ << ' ';
+  if (static_cast<unsigned int>(log_level) < 10) {
+    sb_ << ' ' << static_cast<char>('0' + log_level);
+  } else {
+    sb_ << log_level;
   }
-  sb_ << log_level << ']';
+  sb_ << ']';
 
   // thread id
   auto thread_id = get_thread_id();
   sb_ << "[t";
-  if (thread_id < 10) {
-    sb_ << ' ';
+  if (static_cast<unsigned int>(thread_id) < 10) {
+    sb_ << ' ' << static_cast<char>('0' + thread_id);
+  } else {
+    sb_ << thread_id;
   }
-  sb_ << thread_id << ']';
+  sb_ << ']';
 
   // timestamp
   auto time = Clocks::system();