/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
 * Use is subject to license terms.
 */

#include <stdlib.h>
#include <stdio.h>

int
fsexam_debug (void)
{
    static int initialized = 0;
    static int debug = 0;

    if (0 == initialized){
        char *ev = NULL;

        initialized = 1;

        ev = getenv ("FSEXAM_DEBUG");

        if (ev != NULL){
            debug = atoi (ev);
            if (debug <= 0)
                debug = 0;

            (void) printf ("FSEXAM_DEBUG=%s, debug = %d\n", ev, debug);
        }

    }

    return debug;
}