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      1 /* $NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
     35  The Regents of the University of California.  All rights reserved.");
     36 #endif /* not lint */
     37 
     38 #ifndef lint
     39 #if 0
     40 static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
     41 #else
     42 __RCSID("$NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $");
     43 #endif
     44 #endif /* not lint */
     45 
     46 #include <sys/param.h>
     47 
     48 #include <err.h>
     49 #include <locale.h>
     50 #include <stdio.h>
     51 #include <stdlib.h>
     52 #include <string.h>
     53 #include <unistd.h>
     54 
     55 static int vflag;
     56 
     57 static int	rm_path(char *);
     58 __dead static void	usage(void);
     59 
     60 int
     61 main(int argc, char *argv[])
     62 {
     63 	int ch, errors, pflag;
     64 
     65 	setprogname(argv[0]);
     66 	(void)setlocale(LC_ALL, "");
     67 
     68 	pflag = 0;
     69 	while ((ch = getopt(argc, argv, "pv")) != -1)
     70 		switch(ch) {
     71 		case 'p':
     72 			pflag = 1;
     73 			break;
     74 		case 'v':
     75 			vflag = 1;
     76 			break;
     77 		case '?':
     78 		default:
     79 			usage();
     80 		}
     81 	argc -= optind;
     82 	argv += optind;
     83 
     84 	if (argc == 0)
     85 		usage();
     86 
     87 	for (errors = 0; *argv; argv++) {
     88 		/* We rely on the kernel to ignore trailing '/' characters. */
     89 		if (rmdir(*argv) < 0) {
     90 			warn("%s", *argv);
     91 			errors = 1;
     92 		} else {
     93 			if (vflag)
     94 				(void)printf("%s\n", *argv);
     95 			if (pflag)
     96 				errors |= rm_path(*argv);
     97 		}
     98 	}
     99 
    100 	exit(errors);
    101 	/* NOTREACHED */
    102 }
    103 
    104 static int
    105 rm_path(char *path)
    106 {
    107 	char *p;
    108 
    109 	while ((p = strrchr(path, '/')) != NULL) {
    110 		*p = 0;
    111 		if (p[1] == 0)
    112 			/* Ignore trailing '/' on deleted name */
    113 			continue;
    114 
    115 		if (*path == 0)
    116 			/* At top level (root) directory */
    117 			break;
    118 
    119 		if (rmdir(path) < 0) {
    120 			warn("%s", path);
    121 			return (1);
    122 		} else if (vflag)
    123 			(void)printf("%s\n", path);
    124 	}
    125 
    126 	return (0);
    127 }
    128 
    129 static void
    130 usage(void)
    131 {
    132 	(void)fprintf(stderr, "usage: %s [-pv] directory ...\n", getprogname());
    133 	exit(1);
    134 	/* NOTREACHED */
    135 }
    136