/*-
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California.  All rights reserved.
 * @(#)rmdir.c	8.3 (Berkeley) 4/2/94
 * $FreeBSD: src/bin/rmdir/rmdir.c,v 1.9.2.2 2001/08/01 05:16:47 obrien Exp $
 * $DragonFly: src/bin/rmdir/rmdir.c,v 1.7 2005/01/24 18:58:20 liamfoy Exp $
 */

#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

static int	rm_path(char *);
static void	usage(void);

static int	vflag;

int
main(int argc, char **argv)
{
	int ch, errors;
	int pflag;

	pflag = 0;
	while ((ch = getopt(argc, argv, "pv")) != -1)
		switch(ch) {
		case 'p':
			pflag = 1;
			break;
		case 'v':
			vflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc == 0)
		usage();

	for (errors = 0; *argv; argv++) {
		if (rmdir(*argv) < 0) {
			warn("%s", *argv);
			errors = 1;
		} else {
			if (vflag)
				printf("removed: %s\n", *argv);

			if (pflag)
				errors |= rm_path(*argv);
		}
	}

	exit(errors);
}

static int
rm_path(char *path)
{
	char *p;

	p = path + strlen(path);
	while (--p > path && *p == '/')
		;
	*++p = '\0';
	while ((p = strrchr(path, '/')) != NULL) {
		/* Delete trailing slashes. */
		while (--p > path && *p == '/')
			;
		*++p = '\0';

		if (rmdir(path) < 0) {
			warn("%s", path);
			return (1);
		} else if (vflag) {
			printf("removed: %s\n", path);
		}
	}

	return (0);
}

static void
usage(void)
{
	fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
	exit(1);
}