const char* oidc_util_set_cookie_append_value(request_rec *r, oidc_cfg *c) {
	const char *env_var_value = NULL;

	if (r->subprocess_env != NULL)
		env_var_value = apr_table_get(r->subprocess_env,
				OIDC_SET_COOKIE_APPEND_ENV_VAR);

	if (env_var_value == NULL) {
		oidc_debug(r, "no cookie append environment variable %s found",
				OIDC_SET_COOKIE_APPEND_ENV_VAR);
		return NULL;
	}

	oidc_debug(r, "cookie append environment variable %s=%s found",
			OIDC_SET_COOKIE_APPEND_ENV_VAR, env_var_value);

	return env_var_value;
}
const char* oidc_util_set_cookie_append_value(request_rec *r, oidc_cfg *c) {
	const char *env_var_value = NULL;

	if (r->subprocess_env != NULL)
		env_var_value = apr_table_get(r->subprocess_env,
				OIDC_SET_COOKIE_APPEND_ENV_VAR);

	if (env_var_value == NULL) {
		oidc_debug(r, "no cookie append environment variable %s found",
				OIDC_SET_COOKIE_APPEND_ENV_VAR);
		return NULL;
	}

	oidc_debug(r, "cookie append environment variable %s=%s found",
			OIDC_SET_COOKIE_APPEND_ENV_VAR, env_var_value);

	return env_var_value;
}