From d433a70b5dca5c501e53d89e155f7bbba17fdbc7 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 10 Dec 2008 02:29:05 +0000
Subject: * re.c (rb_reg_initialize): raise RegexpError when encoding   is
 dummy encoding. [ruby-dev:37091]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 re.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 're.c')

diff --git a/re.c b/re.c
index 3a2aa5d362..a45ae47d9f 100644
--- a/re.c
+++ b/re.c
@@ -2312,6 +2312,11 @@ rb_reg_initialize(VALUE obj, const char *s, int len, rb_encoding *enc,
         rb_raise(rb_eTypeError, "already initialized regexp");
     re->ptr = 0;
 
+    if (rb_enc_dummy_p(enc)) {
+	    strcpy(err, "can't make regexp with dummy encoding");
+	    return -1;
+    }
+
     unescaped = rb_reg_preprocess(s, s+len, enc, &fixed_enc, err);
     if (unescaped == Qnil)
         return -1;
-- 
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