1 /* rmdir -- remove directories
3 Copyright (C) 90, 91, 1995-2002, 2004-2008 Free Software
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 -p, --parent Remove any parent dirs that are explicitly mentioned
21 in an argument, if they become empty after the
22 argument file is removed.
24 David MacKenzie <djm@ai.mit.edu> */
29 #include <sys/types.h>
33 #include "prog-fprintf.h"
36 /* The official name of this program (e.g., no `g' prefix). */
37 #define PROGRAM_NAME "rmdir"
39 #define AUTHORS proper_name ("David MacKenzie")
41 /* If true, remove empty parent directories. */
42 static bool remove_empty_parents
;
44 /* If true, don't treat failure to remove a nonempty directory
46 static bool ignore_fail_on_non_empty
;
48 /* If true, output a diagnostic for every directory processed. */
51 /* For long options that have no equivalent short option, use a
52 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
55 IGNORE_FAIL_ON_NON_EMPTY_OPTION
= CHAR_MAX
+ 1
58 static struct option
const longopts
[] =
60 /* Don't name this `--force' because it's not close enough in meaning
61 to e.g. rm's -f option. */
62 {"ignore-fail-on-non-empty", no_argument
, NULL
,
63 IGNORE_FAIL_ON_NON_EMPTY_OPTION
},
65 {"path", no_argument
, NULL
, 'p'}, /* Deprecated. */
66 {"parents", no_argument
, NULL
, 'p'},
67 {"verbose", no_argument
, NULL
, 'v'},
68 {GETOPT_HELP_OPTION_DECL
},
69 {GETOPT_VERSION_OPTION_DECL
},
73 /* Return true if ERROR_NUMBER is one of the values associated
74 with a failed rmdir due to non-empty target directory. */
76 errno_rmdir_non_empty (int error_number
)
78 return (error_number
== RMDIR_ERRNO_NOT_EMPTY
);
81 /* Return true if when rmdir fails with errno == ERROR_NUMBER
82 the directory may be empty. */
84 errno_may_be_empty (int error_number
)
99 /* Return true if an rmdir failure with errno == error_number
100 for DIR is ignorable. */
102 ignorable_failure (int error_number
, char const *dir
)
104 return (ignore_fail_on_non_empty
105 && (errno_rmdir_non_empty (error_number
)
106 || (errno_may_be_empty (error_number
)
107 && is_empty_dir (AT_FDCWD
, dir
))));
110 /* Remove any empty parent directories of DIR.
111 If DIR contains slash characters, at least one of them
112 (beginning with the rightmost) is replaced with a NUL byte.
113 Return true if successful. */
116 remove_parents (char *dir
)
121 strip_trailing_slashes (dir
);
124 slash
= strrchr (dir
, '/');
127 /* Remove any characters after the slash, skipping any extra
129 while (slash
> dir
&& *slash
== '/')
133 /* Give a diagnostic for each attempted removal if --verbose. */
135 prog_fprintf (stdout
, _("removing directory, %s"), quote (dir
));
137 ok
= (rmdir (dir
) == 0);
141 /* Stop quietly if --ignore-fail-on-non-empty. */
142 if (ignorable_failure (errno
, dir
))
148 /* Barring race conditions, DIR is expected to be a directory. */
149 error (0, errno
, _("failed to remove directory %s"),
161 if (status
!= EXIT_SUCCESS
)
162 fprintf (stderr
, _("Try `%s --help' for more information.\n"),
166 printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name
);
168 Remove the DIRECTORY(ies), if they are empty.\n\
170 --ignore-fail-on-non-empty\n\
171 ignore each failure that is solely because a directory\n\
175 -p, --parents remove DIRECTORY and its ancestors; e.g., `rmdir -p a/b/c' is\n\
176 similar to `rmdir a/b/c a/b a'\n\
177 -v, --verbose output a diagnostic for every directory processed\n\
179 fputs (HELP_OPTION_DESCRIPTION
, stdout
);
180 fputs (VERSION_OPTION_DESCRIPTION
, stdout
);
181 emit_bug_reporting_address ();
187 main (int argc
, char **argv
)
192 initialize_main (&argc
, &argv
);
193 set_program_name (argv
[0]);
194 setlocale (LC_ALL
, "");
195 bindtextdomain (PACKAGE
, LOCALEDIR
);
196 textdomain (PACKAGE
);
198 atexit (close_stdout
);
200 remove_empty_parents
= false;
202 while ((optc
= getopt_long (argc
, argv
, "pv", longopts
, NULL
)) != -1)
207 remove_empty_parents
= true;
209 case IGNORE_FAIL_ON_NON_EMPTY_OPTION
:
210 ignore_fail_on_non_empty
= true;
215 case_GETOPT_HELP_CHAR
;
216 case_GETOPT_VERSION_CHAR (PROGRAM_NAME
, AUTHORS
);
218 usage (EXIT_FAILURE
);
224 error (0, 0, _("missing operand"));
225 usage (EXIT_FAILURE
);
228 for (; optind
< argc
; ++optind
)
230 char *dir
= argv
[optind
];
232 /* Give a diagnostic for each attempted removal if --verbose. */
234 prog_fprintf (stdout
, _("removing directory, %s"), quote (dir
));
236 if (rmdir (dir
) != 0)
238 if (ignorable_failure (errno
, dir
))
241 /* Here, the diagnostic is less precise, since we have no idea
242 whether DIR is a directory. */
243 error (0, errno
, _("failed to remove %s"), quote (dir
));
246 else if (remove_empty_parents
)
248 ok
&= remove_parents (dir
);
252 exit (ok
? EXIT_SUCCESS
: EXIT_FAILURE
);