initialize_copy

static VALUE
ossl_ocspres_initialize_copy(VALUE self, VALUE other)
{
    OCSP_RESPONSE *res, *res_old, *res_new;

    rb_check_frozen(self);
    GetOCSPRes(self, res_old);
    GetOCSPRes(other, res);

    res_new = ASN1_item_dup(ASN1_ITEM_rptr(OCSP_RESPONSE), res);
    if (!res_new)
        ossl_raise(eOCSPError, "ASN1_item_dup");

    SetOCSPRes(self, res_new);
    OCSP_RESPONSE_free(res_old);

    return self;
}