new

static VALUE
ossl_ocspreq_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE arg;
    OCSP_REQUEST *req, *req_new;
    const unsigned char *p;

    rb_scan_args(argc, argv, "01", &arg);
    if(!NIL_P(arg)){
        GetOCSPReq(self, req);
        arg = ossl_to_der_if_possible(arg);
        StringValue(arg);
        p = (unsigned char *)RSTRING_PTR(arg);
        req_new = d2i_OCSP_REQUEST(NULL, &p, RSTRING_LEN(arg));
        if (!req_new)
            ossl_raise(eOCSPError, "d2i_OCSP_REQUEST");
        SetOCSPReq(self, req_new);
        OCSP_REQUEST_free(req);
    }

    return self;
}