hush/coreutils/rmdir.c

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/* vi: set sw=4 ts=4: */
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/*
* Mini rmdir implementation for busybox
*
* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
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*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
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#include <getopt.h>
#include <unistd.h>
#include <stdlib.h>
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#include "busybox.h"
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/* Return true if a path is composed of multiple components. */
static int
multiple_components_p (const char *path)
{
const char *s = path;
while (s[0] != '\0' && s[0] != '/')
s++;
while (s[0] == '/')
s++;
return (s[0] != '\0');
}
/* Remove a directory. Returns 0 if successful, -1 on error. */
static int
remove_directory (char *path, int flags)
{
if (!(flags & FILEUTILS_RECUR)) {
if (rmdir (path) < 0) {
perror_msg ("unable to remove `%s'", path);
return -1;
}
} else {
if (remove_directory (path, 0) < 0)
return -1;
if (multiple_components_p (path))
if (remove_directory (dirname (path), flags) < 0)
return -1;
}
return 0;
}
extern int
rmdir_main (int argc, char **argv)
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{
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int status = EXIT_SUCCESS;
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int flags = 0;
int i, opt;
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while ((opt = getopt (argc, argv, "p")) != -1)
switch (opt) {
case 'p':
flags |= FILEUTILS_RECUR;
break;
default:
show_usage ();
}
if (optind == argc)
show_usage();
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for (i = optind; i < argc; i++)
if (remove_directory (argv[i], flags) < 0)
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status = EXIT_FAILURE;
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return status;
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}