/*
 * 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 1990 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "string.h"

#include "lp.h"

#define issep(X)        strchr(LP_WS, X)

/**
 ** dashos() - PARSE -o OPTIONS, (char *) --> (char **)
 **/

char **
#if     defined(__STDC__)
dashos (
        char *                  o
)
#else
dashos (o)
        register char           *o;
#endif
{
        register char           quote,
                                c,
                                *option;

        char                    **list  = 0;

        if (!o)
                return(0);

        while (*o) {

                while (*o && issep(*o))
                        o++;

                for (option = o; *o && !issep(*o); o++)
                        if (strchr(LP_QUOTES, (quote = *o)))
                                for (o++; *o && *o != quote; o++)
                                        if (*o == '\\' && o[1])
                                                o++;

                if (option < o) {
                        c = *o;
                        *o = 0;
                        addlist (&list, option);
                        *o = c;
                }

        }
        return (list);
}