From b5d63bec8fbdbd06b4e145ee1a565c238e2d6799 Mon Sep 17 00:00:00 2001 From: akr Date: Sun, 7 Sep 2008 03:45:12 +0000 Subject: * io.c (make_writeconv): choose ASCII compatible encoding as intermediate encoding if stateful encoder exists. git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@19210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- io.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'io.c') diff --git a/io.c b/io.c index 5c43a062d..b7a531498 100644 --- a/io.c +++ b/io.c @@ -729,6 +729,14 @@ make_writeconv(rb_io_t *fptr) denc = enc->name; fptr->writeconv_stateless = rb_str_new2(senc); } + else if ((fptr->encs.ecflags & ECONV_STATEFUL_ENCODER_MASK) && !rb_enc_asciicompat(enc)) { + /* xxx: stateful encoder works for ASCII compatible encoding. + * So we need to choose an encoding which is ASCII compatible and superset of enc. + * For encodings which is superset of UTF-8, UTF-8 is not appropriate choice. */ + senc = "UTF-8"; + denc = enc->name; + fptr->writeconv_stateless = rb_str_new2("UTF-8"); + } else { senc = denc = ""; fptr->writeconv_stateless = rb_str_new2(enc->name); -- cgit