resolv: not all systems have a hosts file #1791
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Win32 may not have a hosts file, in which case it is `nil`. https://bugs.ruby-lang.org/issues/14369
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* 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
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Win32 may not have a hosts file, in which case it is
nil.https://bugs.ruby-lang.org/issues/14369