From 458c447fdfbacfc5f8b3da40f103ca2bf8eb6ca2 Mon Sep 17 00:00:00 2001
From: duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 30 Jul 2009 09:40:06 +0000
Subject: * transcode.c: added check for frozen string for encode! (see Bug
 #1836)

* test/ruby/test_transcode.rb: added tests for the above


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@24322 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 transcode.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'transcode.c')

diff --git a/transcode.c b/transcode.c
index ee6794d9b..9e4c8392c 100644
--- a/transcode.c
+++ b/transcode.c
@@ -2644,6 +2644,10 @@ str_encode_associate(VALUE str, int encidx)
 static VALUE
 str_encode_bang(int argc, VALUE *argv, VALUE str)
 {
+    if (OBJ_FROZEN(str)) { /* in future, may use str_frozen_check from string.c, but that's currently static */
+	rb_raise(rb_eRuntimeError, "string frozen");
+    }
+
     VALUE newstr = str;
     int encidx = str_transcode(argc, argv, &newstr);
 
-- 
cgit