From a3b53cd9919ff01567ef04af4057b3dec3192471 Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 28 Dec 2015 20:31:10 +0000
Subject: Resolv::IPv6.create: avoid modifying frozen string literal

* lib/resolv.rb (Resolv::IPv6.create): avoid modifying frozen
* test/resolv/test_dns.rb (test_ipv6_create): test for above
  [Bug #11910] [ruby-core:72559]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53363 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/resolv.rb | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'lib/resolv.rb')

diff --git a/lib/resolv.rb b/lib/resolv.rb
index 61bed16b3f..9a981b99bd 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -2451,14 +2451,14 @@ class Resolv
       when IPv6
         return arg
       when String
-        address = ''
+        address = ''.b
         if Regex_8Hex =~ arg
           arg.scan(/[0-9A-Fa-f]+/) {|hex| address << [hex.hex].pack('n')}
         elsif Regex_CompressedHex =~ arg
           prefix = $1
           suffix = $2
-          a1 = ''
-          a2 = ''
+          a1 = ''.b
+          a2 = ''.b
           prefix.scan(/[0-9A-Fa-f]+/) {|hex| a1 << [hex.hex].pack('n')}
           suffix.scan(/[0-9A-Fa-f]+/) {|hex| a2 << [hex.hex].pack('n')}
           omitlen = 16 - a1.length - a2.length
@@ -2474,8 +2474,8 @@ class Resolv
         elsif Regex_CompressedHex4Dec =~ arg
           prefix, suffix, a, b, c, d = $1, $2, $3.to_i, $4.to_i, $5.to_i, $6.to_i
           if (0..255) === a && (0..255) === b && (0..255) === c && (0..255) === d
-            a1 = ''
-            a2 = ''
+            a1 = ''.b
+            a2 = ''.b
             prefix.scan(/[0-9A-Fa-f]+/) {|hex| a1 << [hex.hex].pack('n')}
             suffix.scan(/[0-9A-Fa-f]+/) {|hex| a2 << [hex.hex].pack('n')}
             omitlen = 12 - a1.length - a2.length
-- 
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