4 files changed, 20 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 7daa4d1df..6e2cad344 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Jul 31 16:28:33 2009  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* io.c (rb_stdio_set_default_encoding): added.
+
+	* ruby.c (process_options): call rb_stdio_set_default_encoding
+	  after setting defualt internal and external.
+
 Fri Jul 31 18:01:34 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* lib/securerandom.rb (SecureRandom.random_bytes): return string should
diff --git a/io.c b/io.c
index 9ed097777..bf10a31d5 100644
--- a/io.c
+++ b/io.c
@@ -7948,6 +7948,17 @@ rb_io_set_encoding(int argc, VALUE *argv, VALUE io)
     return io;
 }
 
+void
+rb_stdio_set_default_encoding()
+{
+    extern VALUE rb_stdin, rb_stdout, rb_stderr;
+    VALUE val = Qnil;
+
+    rb_io_set_encoding(1, &val, rb_stdin);
+    rb_io_set_encoding(1, &val, rb_stdout);
+    rb_io_set_encoding(1, &val, rb_stderr);
+}
+
 static VALUE
 argf_external_encoding(VALUE argf)
 {
diff --git a/ruby.c b/ruby.c
index c6cfdf7e1..68d8f97a4 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1370,6 +1370,7 @@ process_options(VALUE arg)
     else if (!rb_default_internal_encoding())
 	/* Freeze default_internal */
 	rb_enc_set_default_internal(Qnil);
+    rb_stdio_set_default_encoding();
 
     if (!tree) return Qfalse;
 
diff --git a/version.h b/version.h
index 9056fcccb..e4e266d6d 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_PATCHLEVEL 260
+#define RUBY_PATCHLEVEL 261
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1