initialize_copy

static VALUE
ossl_ocspreq_initialize_copy(VALUE self, VALUE other)
{
    OCSP_REQUEST *req, *req_old, *req_new;

    rb_check_frozen(self);
    GetOCSPReq(self, req_old);
    GetOCSPReq(other, req);

    req_new = ASN1_item_dup(ASN1_ITEM_rptr(OCSP_REQUEST), req);
    if (!req_new)
        ossl_raise(eOCSPError, "ASN1_item_dup");

    SetOCSPReq(self, req_new);
    OCSP_REQUEST_free(req_old);

    return self;
}