1 /* rmdir -- remove directories
3 Copyright (C) 90, 91, 1995-2002, 2004-2009 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 -p, --parent Remove any parent dirs that are explicitly mentioned
20 in an argument, if they become empty after the
21 argument file is removed.
23 David MacKenzie <djm@ai.mit.edu> */
28 #include <sys/types.h>
32 #include "prog-fprintf.h"
35 /* The official name of this program (e.g., no `g' prefix). */
36 #define PROGRAM_NAME "rmdir"
38 #define AUTHORS proper_name ("David MacKenzie")
40 /* If true, remove empty parent directories. */
41 static bool remove_empty_parents
;
43 /* If true, don't treat failure to remove a nonempty directory
45 static bool ignore_fail_on_non_empty
;
47 /* If true, output a diagnostic for every directory processed. */
50 /* For long options that have no equivalent short option, use a
51 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
54 IGNORE_FAIL_ON_NON_EMPTY_OPTION
= CHAR_MAX
+ 1
57 static struct option
const longopts
[] =
59 /* Don't name this `--force' because it's not close enough in meaning
60 to e.g. rm's -f option. */
61 {"ignore-fail-on-non-empty", no_argument
, NULL
,
62 IGNORE_FAIL_ON_NON_EMPTY_OPTION
},
64 {"path", no_argument
, NULL
, 'p'}, /* Deprecated. */
65 {"parents", no_argument
, NULL
, 'p'},
66 {"verbose", no_argument
, NULL
, 'v'},
67 {GETOPT_HELP_OPTION_DECL
},
68 {GETOPT_VERSION_OPTION_DECL
},
72 /* Return true if ERROR_NUMBER is one of the values associated
73 with a failed rmdir due to non-empty target directory. */
75 errno_rmdir_non_empty (int error_number
)
77 return (error_number
== RMDIR_ERRNO_NOT_EMPTY
);
80 /* Return true if when rmdir fails with errno == ERROR_NUMBER
81 the directory may be empty. */
83 errno_may_be_empty (int error_number
)
98 /* Return true if an rmdir failure with errno == error_number
99 for DIR is ignorable. */
101 ignorable_failure (int error_number
, char const *dir
)
103 return (ignore_fail_on_non_empty
104 && (errno_rmdir_non_empty (error_number
)
105 || (errno_may_be_empty (error_number
)
106 && is_empty_dir (AT_FDCWD
, dir
))));
109 /* Remove any empty parent directories of DIR.
110 If DIR contains slash characters, at least one of them
111 (beginning with the rightmost) is replaced with a NUL byte.
112 Return true if successful. */
115 remove_parents (char *dir
)
120 strip_trailing_slashes (dir
);
123 slash
= strrchr (dir
, '/');
126 /* Remove any characters after the slash, skipping any extra
128 while (slash
> dir
&& *slash
== '/')
132 /* Give a diagnostic for each attempted removal if --verbose. */
134 prog_fprintf (stdout
, _("removing directory, %s"), quote (dir
));
136 ok
= (rmdir (dir
) == 0);
140 /* Stop quietly if --ignore-fail-on-non-empty. */
141 if (ignorable_failure (errno
, dir
))
147 /* Barring race conditions, DIR is expected to be a directory. */
148 error (0, errno
, _("failed to remove directory %s"),
160 if (status
!= EXIT_SUCCESS
)
161 fprintf (stderr
, _("Try `%s --help' for more information.\n"),
165 printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name
);
167 Remove the DIRECTORY(ies), if they are empty.\n\
169 --ignore-fail-on-non-empty\n\
170 ignore each failure that is solely because a directory\n\
174 -p, --parents remove DIRECTORY and its ancestors; e.g., `rmdir -p a/b/c' is\n\
175 similar to `rmdir a/b/c a/b a'\n\
176 -v, --verbose output a diagnostic for every directory processed\n\
178 fputs (HELP_OPTION_DESCRIPTION
, stdout
);
179 fputs (VERSION_OPTION_DESCRIPTION
, stdout
);
180 emit_bug_reporting_address ();
186 main (int argc
, char **argv
)
191 initialize_main (&argc
, &argv
);
192 set_program_name (argv
[0]);
193 setlocale (LC_ALL
, "");
194 bindtextdomain (PACKAGE
, LOCALEDIR
);
195 textdomain (PACKAGE
);
197 atexit (close_stdout
);
199 remove_empty_parents
= false;
201 while ((optc
= getopt_long (argc
, argv
, "pv", longopts
, NULL
)) != -1)
206 remove_empty_parents
= true;
208 case IGNORE_FAIL_ON_NON_EMPTY_OPTION
:
209 ignore_fail_on_non_empty
= true;
214 case_GETOPT_HELP_CHAR
;
215 case_GETOPT_VERSION_CHAR (PROGRAM_NAME
, AUTHORS
);
217 usage (EXIT_FAILURE
);
223 error (0, 0, _("missing operand"));
224 usage (EXIT_FAILURE
);
227 for (; optind
< argc
; ++optind
)
229 char *dir
= argv
[optind
];
231 /* Give a diagnostic for each attempted removal if --verbose. */
233 prog_fprintf (stdout
, _("removing directory, %s"), quote (dir
));
235 if (rmdir (dir
) != 0)
237 if (ignorable_failure (errno
, dir
))
240 /* Here, the diagnostic is less precise, since we have no idea
241 whether DIR is a directory. */
242 error (0, errno
, _("failed to remove %s"), quote (dir
));
245 else if (remove_empty_parents
)
247 ok
&= remove_parents (dir
);
251 exit (ok
? EXIT_SUCCESS
: EXIT_FAILURE
);