io.c (rb_io_extract_modeenc): plain rb/wb should set ASCII-8BIT to the external_encoding.
io.c (rb_file_open_internal): ditto.
io.c (NEED_WRITECONV): no conversion when the external_encoding is ASCII-8BIT.
io.c (do_writeconv): skip ASCII-8BIT.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by matz (Yukihiro Matsumoto) over 16 years ago
io.c (rb_io_extract_modeenc): plain rb/wb should set ASCII-8BIT
to the external_encoding.
io.c (rb_file_open_internal): ditto.
io.c (NEED_WRITECONV): no conversion when the external_encoding
is ASCII-8BIT.
io.c (do_writeconv): skip ASCII-8BIT.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e