Import ipaddr 1.2.2

- Enable frozen_string_literal and do a bit of code cleanup


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/ipaddr.gemspec

@@ -1,10 +1,11 @@
+# frozen_string_literal: true
 # coding: utf-8
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "ipaddr"
-  spec.version       = "1.2.0"
+  spec.version       = "1.2.2"
   spec.authors       = ["Akinori MUSHA", "Hajimu UMEMOTO"]
   spec.email         = ["knu@idaemons.org", "ume@mahoroba.org"]
 
@@ -14,6 +15,7 @@ IPAddr provides a set of methods to manipulate an IP address.
 Both IPv4 and IPv6 are supported.
   DESCRIPTION
   spec.homepage      = "https://github.com/ruby/ipaddr"
+  spec.license       = "BSD-2-Clause"
 
   spec.files         = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "ipaddr.gemspec", "lib/ipaddr.rb"]
   spec.bindir        = "exe"

lib/ipaddr.rb

@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # ipaddr.rb - A class to manipulate an IP address
 #
@@ -103,13 +103,13 @@ class IPAddr
 
   # Creates a new ipaddr containing the given network byte ordered
   # string form of an IP address.
-  def IPAddr::new_ntoh(addr)
-    return IPAddr.new(IPAddr::ntop(addr))
+  def self.new_ntoh(addr)
+    return new(ntop(addr))
   end
 
   # Convert a network byte ordered string form of an IP address into
   # human readable form.
-  def IPAddr::ntop(addr)
+  def self.ntop(addr)
     case addr.size
     when 4
       s = addr.unpack('C4').join('.')

test/test_ipaddr.rb

@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'ipaddr'