merges r24337 from trunk into ruby_1_9_1.

--
Set encodings of stdio after setting default internal and external.

* io.c (rb_stdio_set_default_encoding): added.

* ruby.c (process_options): call rb_stdio_set_default_encoding
  after setting defualt internal and external.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@24456 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

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)
 {