/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1996, 2012 Oracle and/or its affiliates.  All rights reserved.
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 * $Id$
 */

#include "db_config.h"

#include "db_int.h"

/*
 * __crypto_region_init --
 *	Initialize crypto.
 *
 *
 * !!!
 * We don't put this stub file in the crypto/ directory of the distribution
 * because that entire directory is removed for non-crypto distributions.
 *
 * PUBLIC: int __crypto_region_init __P((ENV *));
 */
int
__crypto_region_init(env)
	ENV *env;
{
	REGENV *renv;
	REGINFO *infop;
	int ret;

	infop = env->reginfo;
	renv = infop->primary;
	MUTEX_LOCK(env, renv->mtx_regenv);
	ret = !(renv->cipher_off == INVALID_ROFF);
	MUTEX_UNLOCK(env, renv->mtx_regenv);

	if (ret == 0)
		return (0);

	__db_errx(env, DB_STR("0040",
"Encrypted environment: library build did not include cryptography support"));
	return (DB_OPNOTSUP);
}