/* $NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $ */

/*-
 * 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. 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.
 */

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
 The Regents of the University of California.  All rights reserved.");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)rmdir.c     8.3 (Berkeley) 4/2/94";
#else
__RCSID("$NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $");
#endif
#endif /* not lint */

#include <sys/param.h>

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

static int vflag;

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

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

        setprogname(argv[0]);
        (void)setlocale(LC_ALL, "");

        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++) {
                /* We rely on the kernel to ignore trailing '/' characters. */
                if (rmdir(*argv) < 0) {
                        warn("%s", *argv);
                        errors = 1;
                } else {
                        if (vflag)
                                (void)printf("%s\n", *argv);
                        if (pflag)
                                errors |= rm_path(*argv);
                }
        }

        exit(errors);
        /* NOTREACHED */
}

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

        while ((p = strrchr(path, '/')) != NULL) {
                *p = 0;
                if (p[1] == 0)
                        /* Ignore trailing '/' on deleted name */
                        continue;

                if (*path == 0)
                        /* At top level (root) directory */
                        break;

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

        return (0);
}

static void
usage(void)
{
        (void)fprintf(stderr, "usage: %s [-pv] directory ...\n", getprogname());
        exit(1);
        /* NOTREACHED */
}