1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/* rmdir -- remove directories
Copyright (C) 1990, 1991, 1995 Free Software Foundation, Inc.
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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Options:
-p, --parent Remove any parent dirs that are explicitly mentioned
in an argument, if they become empty after the
argument file is removed.
David MacKenzie <djm@ai.mit.edu> */
#include <config.h>
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
#include "system.h"
#include "error.h"
void strip_trailing_slashes ();
/* The name this program was run with. */
char *program_name;
/* If nonzero, remove empty parent directories. */
static int empty_paths;
/* If nonzero, display usage information and exit. */
static int show_help;
/* If nonzero, print the version on standard output and exit. */
static int show_version;
static struct option const longopts[] =
{
{"path", no_argument, &empty_paths, 1},
{"parents", no_argument, &empty_paths, 1},
{"help", no_argument, &show_help, 1},
{"version", no_argument, &show_version, 1},
{NULL, 0, NULL, 0}
};
/* Remove any empty parent directories of `path'.
Replaces '/' characters in `path' with NULs. */
static void
remove_parents (char *path)
{
char *slash;
do
{
slash = strrchr (path, '/');
if (slash == NULL)
break;
/* Remove any characters after the slash, skipping any extra
slashes in a row. */
while (slash > path && *slash == '/')
--slash;
slash[1] = 0;
}
while (rmdir (path) == 0);
}
static void
usage (int status)
{
if (status != 0)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name);
printf (_("\
Remove the DIRECTORY(ies), if they are empty.\n\
\n\
-p, --parents remove explicit parent directories if being emptied\n\
--help display this help and exit\n\
--version output version information and exit\n"));
}
exit (status);
}
int
main (int argc, char **argv)
{
int errors = 0;
int optc;
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
empty_paths = 0;
while ((optc = getopt_long (argc, argv, "p", longopts, (int *) 0)) != EOF)
{
switch (optc)
{
case 0: /* Long option. */
break;
case 'p':
empty_paths = 1;
break;
default:
usage (1);
}
}
if (show_version)
{
printf ("rmdir - %s\n", PACKAGE_VERSION);
exit (0);
}
if (show_help)
usage (0);
if (optind == argc)
{
error (0, 0, _("too few arguments"));
usage (1);
}
for (; optind < argc; ++optind)
{
/* Stripping slashes is harmless for rmdir;
if the arg is not a directory, it will fail with ENOTDIR. */
strip_trailing_slashes (argv[optind]);
if (rmdir (argv[optind]) != 0)
{
error (0, errno, "%s", argv[optind]);
errors = 1;
}
else if (empty_paths)
remove_parents (argv[optind]);
}
exit (errors);
}
|
