NetBSD/bin/rmdir/rmdir.c

126 lines
3.2 KiB
C

/* $NetBSD: rmdir.c,v 1.27 2017/08/10 22:52:13 ginsbach 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 1.27 2017/08/10 22:52:13 ginsbach 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 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, "p")) != -1)
switch(ch) {
case 'p':
pflag = 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 (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);
}
}
return (0);
}
static void
usage(void)
{
(void)fprintf(stderr, "usage: %s [-p] directory ...\n", getprogname());
exit(1);
/* NOTREACHED */
}