From 456dc174b644251a264cf05016ebb31ee01f63f2 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 18 Jan 2018 03:09:39 +0000
Subject: resolv.rb: NUL hosts

* lib/resolv.rb (Resolv::Hosts::DefaultFileName): fallback to NUL
  device when Win32::Resolv.get_hosts_path() returned nil, to get
  rid of TypeError in lazy_initialize.
  [ruby-core:84907] [Bug #14369]  [Fix GH-1791]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/resolv.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/resolv.rb b/lib/resolv.rb
index 3df88e4f9c..830ba160d2 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -169,7 +169,7 @@ class Resolv
     begin
       raise LoadError unless /mswin|mingw|cygwin/ =~ RUBY_PLATFORM
       require 'win32/resolv'
-      DefaultFileName = Win32::Resolv.get_hosts_path
+      DefaultFileName = Win32::Resolv.get_hosts_path || IO::NULL
     rescue LoadError
       DefaultFileName = '/etc/hosts'
     end
-- 
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