From 4c261a7ff8f2b2af08cc2cdee6828af4a1cf7794 Mon Sep 17 00:00:00 2001
From: Valentin Bartenev <vbart@nginx.com>
Date: Mon, 15 Mar 2021 15:03:32 +0300
Subject: [PATCH] Ruby: fixed encodings initialization.

The Ruby interpreter expects an explicit setlocale() call before initialization
to pick up character encodings in the "Encoding" class from the environment.

This closes #531 issue on GitHub.
---
 docs/changes.xml    | 6 ++++++
 src/ruby/nxt_ruby.c | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/docs/changes.xml b/docs/changes.xml
index 07decb2a..2f68083d 100644
--- a/docs/changes.xml
+++ b/docs/changes.xml
@@ -37,6 +37,12 @@ Linux, and all uploaded certificate bundles were forgotten after restart.
 </para>
 </change>
 
+<change type="bugfix">
+<para>
+the Ruby module didn't respect user locale for defaults in the Encoding class.
+</para>
+</change>
+
 </changes>
 
 
diff --git a/src/ruby/nxt_ruby.c b/src/ruby/nxt_ruby.c
index 0aad887d..ca14af5b 100644
--- a/src/ruby/nxt_ruby.c
+++ b/src/ruby/nxt_ruby.c
@@ -12,6 +12,8 @@
 
 #include NXT_RUBY_MOUNTS_H
 
+#include <locale.h>
+
 
 #define NXT_RUBY_RACK_API_VERSION_MAJOR  1
 #define NXT_RUBY_RACK_API_VERSION_MINOR  3
@@ -200,6 +202,8 @@ nxt_ruby_start(nxt_task_t *task, nxt_process_data_t *data)
 
     nxt_ruby_threads = c->threads;
 
+    setlocale(LC_CTYPE, "");
+
     RUBY_INIT_STACK
     ruby_init();
     ruby_options(2, argv);