File 0242-fix-kernel-use-unicode-aware-function-checking-forma.patch of Package erlang

From 80012c1cb5aa48182da9b034293fea14b8fa6f5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Niemier?= <lukasz@niemier.pl>
Date: Mon, 30 Dec 2019 00:33:56 +0100
Subject: [PATCH 2/4] fix(kernel): use unicode-aware function checking
 formatter config

---
 lib/kernel/src/logger_formatter.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/kernel/src/logger_formatter.erl b/lib/kernel/src/logger_formatter.erl
index 4ab043c0fc..3df467d56c 100644
--- a/lib/kernel/src/logger_formatter.erl
+++ b/lib/kernel/src/logger_formatter.erl
@@ -532,8 +532,10 @@ check_template([Str|T]) when is_list(Str) ->
         false -> error
     end;
 check_template([Bin|T]) when is_binary(Bin) ->
-    Str = binary:bin_to_list(Bin),
-    check_template([Str|T]);
+    case unicode:character_to_list(Bin) of
+        Str -> check_template([Str|T]);
+        _Error -> error
+    end;
 check_template([]) ->
     ok;
 check_template(_) ->
-- 
2.26.2