/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "mail.h"

void
lock(char *user)
{
        char    tbuf[80];

        switch (maillock(user, 10)) {
        case L_SUCCESS:
            return;
        case L_NAMELEN:
            (void) snprintf(tbuf, sizeof (tbuf),
                "%s: Cannot create lock file. Username '%s' is > 13 chars\n",
                program, user);
            break;
        case L_TMPLOCK:
            strcpy(tbuf, "Cannot create temp lock file\n");
            break;
        case L_TMPWRITE:
            strcpy(tbuf, "Error writing pid to lock file\n");
            break;
        case L_MAXTRYS:
            strcpy(tbuf, "Creation of lockfile failed after 10 tries");
            break;
        case L_ERROR:
            strcpy(tbuf, "Cannot link temp lockfile to lockfile\n");
            break;
        case L_MANLOCK:
            strcpy(tbuf, "Cannot set mandatory file lock on temp lockfile\n");
            break;
        }
        errmsg(E_LOCK, tbuf);
        if (sending) {
                goback(0);
        }
        done(0);
}

void unlock() {
        mailunlock();
}