initialize_copy

static VALUE
ossl_ocspcid_initialize_copy(VALUE self, VALUE other)
{
    OCSP_CERTID *cid, *cid_old, *cid_new;

    rb_check_frozen(self);
    GetOCSPCertId(self, cid_old);
    GetOCSPCertId(other, cid);

    cid_new = OCSP_CERTID_dup(cid);
    if (!cid_new)
        ossl_raise(eOCSPError, "OCSP_CERTID_dup");

    SetOCSPCertId(self, cid_new);
    OCSP_CERTID_free(cid_old);

    return self;
}