* regenc.c (code_to_mbc): raise RangeError Integer#chr

  when more than 255 is given with single byte encoding.
  [ruby-dev:35789]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@18399 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 8 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index c86ff239a..faf93673a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Aug  7 05:14:12 2008  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* regenc.c (code_to_mbc): raise RangeError Integer#chr
+	  when more than 255 is given with single byte encoding.
+	  [ruby-dev:35789]
+
 Thu Aug  7 05:06:03 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* gc.c (run_final): runs finalizers with the object terminated.
diff --git a/regenc.c b/regenc.c
index 75a6a039c..5afa1807b 100644
--- a/regenc.c
+++ b/regenc.c
@@ -629,6 +629,8 @@ onigenc_single_byte_code_to_mbclen(OnigCodePoint code ARG_UNUSED, OnigEncoding e
 extern int
 onigenc_single_byte_code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc ARG_UNUSED)
 {
+  if (code > 0xff)
+      rb_raise(rb_eRangeError, "%"PRIdVALUE " out of char range", code);
   *buf = (UChar )(code & 0xff);
   return 1;
 }