/*
 * 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 "errno.h"
#include "string.h"
#include "stdlib.h"

#include "lp.h"

/**
 ** duplist() - DUPLICATE A LIST OF STRINGS
 **/

char **
#if     defined(__STDC__)
duplist (
        char **                 src
)
#else
duplist (src)
        register char           **src;
#endif
{
        register char           **dst;

        register int            nitems,
                                n;

        if (!src || !*src)
                return (0);

        nitems = lenlist(src);
        if (!(dst = (char **)Malloc((nitems + 1) * sizeof(char *)))) {
                errno = ENOMEM;
                return (0);
        }

        for (n = 0; n < nitems; n++)
                if (!(dst[n] = Strdup(src[n]))) {
                        while (n--)
                                Free (dst[n]);
                        Free ((char *)dst);
                        errno = ENOMEM;
                        return (0);
                }
        dst[nitems] = 0;

        return (dst);
}