From 8fa1ff9a03e1331a12408cece0f07f367be9ae1b Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 10 Apr 2021 19:04:58 +0900
Subject: io.rb: add `IO#readbyte`; ref #5389

---
 mrbgems/mruby-io/mrblib/io.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'mrbgems/mruby-io/mrblib')

diff --git a/mrbgems/mruby-io/mrblib/io.rb b/mrbgems/mruby-io/mrblib/io.rb
index 6519df9de..8d00c316d 100644
--- a/mrbgems/mruby-io/mrblib/io.rb
+++ b/mrbgems/mruby-io/mrblib/io.rb
@@ -299,6 +299,11 @@ class IO
     end
   end
 
+  def readbyte
+    _read_buf
+    IO._bufread(@buf, 1).getbyte(0)
+  end
+
   def getbyte
     ret = getc
     return ret.getbyte 0 if ret
-- 
cgit v1.2.3