167 lines
3.9 KiB
C
167 lines
3.9 KiB
C
/* $NetBSD: rmdir.c,v 1.20 2003/08/13 03:27:20 itojun Exp $ */
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/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)rmdir.c 8.3 (Berkeley) 4/2/94";
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#else
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__RCSID("$NetBSD: rmdir.c,v 1.20 2003/08/13 03:27:20 itojun Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <err.h>
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#include <errno.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <vis.h>
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int stdout_ok; /* stdout connected to a terminal */
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int rm_path(char *);
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void usage(void);
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int main(int, char *[]);
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char *printescaped(const char *);
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int
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main(int argc, char *argv[])
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{
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int ch, errors, pflag;
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setprogname(argv[0]);
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(void)setlocale(LC_ALL, "");
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pflag = 0;
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while ((ch = getopt(argc, argv, "p")) != -1)
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switch(ch) {
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case 'p':
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pflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc == 0)
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usage();
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stdout_ok = isatty(STDIN_FILENO);
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for (errors = 0; *argv; argv++) {
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char *p;
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/* Delete trailing slashes, per POSIX. */
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p = *argv + strlen(*argv);
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while (--p > *argv && *p == '/')
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;
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*++p = '\0';
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if (rmdir(*argv) < 0) {
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char *dn;
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dn = printescaped(*argv);
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warn("%s", dn);
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free(dn);
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errors = 1;
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} else if (pflag)
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errors |= rm_path(*argv);
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}
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exit(errors);
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/* NOTREACHED */
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}
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int
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rm_path(char *path)
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{
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char *p;
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while ((p = strrchr(path, '/')) != NULL) {
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/* Delete trailing slashes. */
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while (--p > path && *p == '/')
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;
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*++p = '\0';
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if (rmdir(path) < 0) {
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char *pn;
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pn = printescaped(path);
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warn("%s", pn);
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free(pn);
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return (1);
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}
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}
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return (0);
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}
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void
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usage(void)
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{
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(void)fprintf(stderr, "usage: %s [-p] directory ...\n", getprogname());
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exit(1);
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/* NOTREACHED */
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}
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char *
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printescaped(const char *src)
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{
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size_t len;
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char *retval;
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len = strlen(src);
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if (len != 0 && SIZE_T_MAX/len <= 4) {
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errx(EXIT_FAILURE, "%s: name too long", src);
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/* NOTREACHED */
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}
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retval = (char *)malloc(4*len+1);
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if (retval != NULL) {
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if (stdout_ok)
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(void)strvis(retval, src, VIS_NL | VIS_CSTYLE);
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else
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(void)strlcpy(retval, src, 4 * len + 1);
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return retval;
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} else
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errx(EXIT_FAILURE, "out of memory!");
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/* NOTREACHED */
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}
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