String

static VALUE MessagePack_String_to_msgpack(int argc, VALUE *argv, VALUE self)
{
        ARG_BUFFER(out, argc, argv);
#ifdef COMPAT_HAVE_ENCODING
        int enc = ENCODING_GET(self);
        if(enc != s_enc_utf8 && enc != s_enc_ascii8bit && enc != s_enc_usascii) {
                if(!ENC_CODERANGE_ASCIIONLY(self)) {
                        self = rb_str_encode(self, s_enc_utf8_value, 0, Qnil);
                }
        }
#endif
        msgpack_pack_raw(out, RSTRING_LEN(self));
        msgpack_pack_raw_body(out, RSTRING_PTR(self), RSTRING_LEN(self));
        return out;
}