From f33247c0f555424bd028fa0f0a33eb08d2c45b9b Mon Sep 17 00:00:00 2001
From: "Erik S. Chang" <erik.s.chang@gmail.com>
Date: Tue, 20 Apr 2010 01:22:03 +0000
Subject: [PATCH] freeze TYPE_LIST for safety since the C code depends on it

git-svn-id: https://lwes.svn.sourceforge.net/svnroot/lwes/lwes-ruby/trunk@457 a2f82657-cdd2-4550-bd36-68a8e7111808
---
 lib/lwes/struct.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/lwes/struct.rb b/lib/lwes/struct.rb
index 5136167..ac10117 100644
--- a/lib/lwes/struct.rb
+++ b/lib/lwes/struct.rb
@@ -95,8 +95,13 @@ module LWES
       tmp.const_set :NAME, name.to_s
       ed = tmp.const_set :EVENT_DEF, {}
       event_def.each { |(field,type)| ed[field] = type }
-      type_list = event_def.map { |(field,type)| [ field, field.to_s, type ] }
+
+      # freeze since emitter.c can segfault if this ever changes
+      type_list = event_def.map do |(field,type)|
+        [ field, field.to_s.freeze, type ].freeze
+      end.freeze
       tmp.const_set :TYPE_LIST, type_list
+
       tmp.const_set :HAVE_ENCODING,
                     type_list.include?([ :enc, 'enc', LWES::INT_16 ])
 
-- 
2.11.4.GIT