/*
 * 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   */


#ident  "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.8   */
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "string.h"
#include "stdlib.h"

#include "lp.h"

/**
 ** dellist() - REMOVE ITEM FROM (char **) LIST
 **/

int
#if     defined(__STDC__)
dellist (
        char ***                plist,
        char *                  item
)
#else
dellist (plist, item)
        register char           ***plist,
                                *item;
#endif
{
        register char           **pl;

        register int            n;

        if (*plist) {

                n = lenlist(*plist);

                for (pl = *plist; *pl; pl++)
                        if (STREQU(*pl, item))
                                break;

                if (*pl) {
                        Free (*pl);
                        for (; *pl; pl++)
                                *pl = *(pl+1);
                        if (--n == 0) {
                                Free ((char *)*plist);
                                *plist = 0;
                        } else {
                                *plist = (char **)Realloc(
                                        (char *)*plist,
                                        (n + 1) * sizeof(char *)
                                );
                                if (!*plist) {
                                        errno = ENOMEM;
                                        return (-1);
                                }
/*                              (*plist)[n] = 0; */ /* done in "for" loop */
                        }
                }

        }

        return (0);
}