try_gzip_static.rb in yahns-1.12.0

- old
+ new

@@ -1,8 +1,9 @@
 # -*- encoding: binary -*-
-# Copyright (C) 2013-2015 all contributors <yahns-public@yhbt.net>
-# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+# Copyright (C) 2013-2016 all contributors <yahns-public@yhbt.net>
+# License: GPL-3.0+ (https://www.gnu.org/licenses/gpl-3.0.txt)
+# frozen_string_literal: true
 require 'time'
 require 'rack/utils'
 require 'rack/mime'
 require 'kgio'
 
@@ -13,10 +14,10 @@
 
     # only used if the server does not handle #to_path,
     # we actually hit this if serving the gzipped file in the first place,
     # _and_ Rack::Deflater is used in the middleware stack.  Oh well...
     def each
-      buf = ""
+      buf = ''.dup
       rsize = 8192
       if @sf_range
         file.seek(@sf_range.begin)
         sf_count = @sf_range.end - @sf_range.begin + 1
         while sf_count > 0