OpenSSL::OCSP::Request#certid

static VALUE
ossl_ocspreq_get_certid(VALUE self)
{
    OCSP_REQUEST *req;

    GetOCSPReq(self, req);
    int count = OCSP_request_onereq_count(req);
    if (count < 0)
        ossl_raise(eOCSPError, "OCSP_request_onereq_count");
    if (count == 0)
        return Qnil;

    VALUE ary = rb_ary_new_capa(count);
    for (int i = 0; i < count; i++) {
        OCSP_ONEREQ *one = OCSP_request_onereq_get0(req, i);
        OCSP_CERTID *cid = OCSP_onereq_get0_id(one);
        rb_ary_push(ary, ossl_ocspcid_new(cid));
    }

    return ary;
}