/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

/* LINTLIBRARY */

#if     defined(__STDC__)
#include "stdarg.h"
#else
#include "varargs.h"
#endif

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

#include "lp.h"

/**
 ** makepath() - CREATE PATHNAME FROM COMPONENTS
 **/

/*VARARGS1*/
char *
#if     defined(__STDC__)
makepath (
        char *                  s,
        ...
)
#else
makepath (s, va_alist)
        char *                  s;
        va_dcl
#endif
{
        va_list                 ap;

        register char           *component,
                                *p,
                                *q;

        register int            len;

        char                    *ret;


#if     defined(__STDC__)
        va_start (ap, s);
#else
        va_start (ap);
#endif

        for (len = strlen(s) + 1; (component = va_arg(ap, char *)); )
                len += strlen(component) + 1;

        va_end (ap);

        if (!len) {
                errno = 0;
                return (0);
        }

        if (!(ret = Malloc(len))) {
                errno = ENOMEM;
                return (0);
        }

#if     defined(__STDC__)
        va_start (ap, s);
#else
        va_start (ap);
#endif

        for (
                p = ret, component = s;
                component;
                component = va_arg(ap, char *)
        ) {
                for (q = component; *q; )
                        *p++ = *q++;
                *p++ = '/';
        }
        p[-1] = 0;

        va_end (ap);

        return (ret);
}