/*
 * $Copyright:	$
 * Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989, 1990 
 * Sequent Computer Systems, Inc.   All rights reserved.
 *  
 * This software is furnished under a license and may be used
 * only in accordance with the terms of that license and with the
 * inclusion of the above copyright notice.   This software may not
 * be provided or otherwise made available to, or used by, any
 * other person.  No title to or ownership of the software is
 * hereby transferred.
 *
 */

/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"$Header: dashos.c 1.2 89/10/10 $@(#)nlp:lib/lp/dashos.c	1.1"
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "string.h"

#include "lp.h"

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

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

char			**dashos (o)
	register char		*o;
{
	register char		quote,
				c,
				*option;

	char			**list	= 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);
}
