From c9077a28044b32799dfd512620d25cb3cba0c6c4 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 19 Jun 2018 03:57:14 +0000
Subject: socket/pure_ruby: favor String#clear if available

String#replace keeps garbage around a bit longer,
so it's not always the better option.

cf. http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/86983
    https://public-inbox.org/ruby-core/20180511033641.GA4459@dcvr/
---
 lib/mogilefs/socket/pure_ruby.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mogilefs/socket/pure_ruby.rb b/lib/mogilefs/socket/pure_ruby.rb
index 59e43e1..acbbaca 100644
--- a/lib/mogilefs/socket/pure_ruby.rb
+++ b/lib/mogilefs/socket/pure_ruby.rb
@@ -42,7 +42,7 @@ class MogileFS::Socket < Socket
     rescue Errno::EAGAIN
       wait(timeout) or unreadable_socket!(timeout)
     rescue EOFError
-      dst.replace("")
+      dst.respond_to?(:clear) ? dst.clear : dst.replace("")
       return
     end while true
   rescue EOFError
-- 
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