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
|
/* vi: set sw=4 ts=4: */
/*
* rmdir implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//config:config RMDIR
//config: bool "rmdir"
//config: default y
//config: help
//config: rmdir is used to remove empty directories.
//config:
//config:config FEATURE_RMDIR_LONG_OPTIONS
//config: bool "Enable long options"
//config: default y
//config: depends on RMDIR && LONG_OPTS
//config: help
//config: Support long options for the rmdir applet, including
//config: --ignore-fail-on-non-empty for compatibility with GNU rmdir.
//applet:IF_RMDIR(APPLET_NOFORK(rmdir, rmdir, BB_DIR_BIN, BB_SUID_DROP, rmdir))
//kbuild:lib-$(CONFIG_RMDIR) += rmdir.o
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */
//usage:#define rmdir_trivial_usage
//usage: "[OPTIONS] DIRECTORY..."
//usage:#define rmdir_full_usage "\n\n"
//usage: "Remove DIRECTORY if it is empty\n"
//usage: IF_FEATURE_RMDIR_LONG_OPTIONS(
//usage: "\n -p|--parents Include parents"
//usage: "\n --ignore-fail-on-non-empty"
//usage: )
//usage: IF_NOT_FEATURE_RMDIR_LONG_OPTIONS(
//usage: "\n -p Include parents"
//usage: )
//usage:
//usage:#define rmdir_example_usage
//usage: "# rmdir /tmp/foo\n"
#include "libbb.h"
/* This is a NOFORK applet. Be very careful! */
#define PARENTS (1 << 0)
#define VERBOSE ((1 << 1) * ENABLE_FEATURE_VERBOSE)
#define IGNORE_NON_EMPTY (1 << 2)
int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rmdir_main(int argc UNUSED_PARAM, char **argv)
{
int status = EXIT_SUCCESS;
int flags;
char *path;
#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
static const char rmdir_longopts[] ALIGN1 =
"parents\0" No_argument "p"
/* Debian etch: many packages fail to be purged or installed
* because they desperately want this option: */
"ignore-fail-on-non-empty\0" No_argument "\xff"
IF_FEATURE_VERBOSE(
"verbose\0" No_argument "v"
)
;
applet_long_options = rmdir_longopts;
#endif
flags = getopt32(argv, "pv");
argv += optind;
if (!*argv) {
bb_show_usage();
}
do {
path = *argv;
while (1) {
if (flags & VERBOSE) {
printf("rmdir: removing directory, '%s'\n", path);
}
if (rmdir(path) < 0) {
#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
break;
#endif
bb_perror_msg("'%s'", path); /* Match gnu rmdir msg. */
status = EXIT_FAILURE;
} else if (flags & PARENTS) {
/* Note: path was not "" since rmdir succeeded. */
path = dirname(path);
/* Path is now just the parent component. Dirname
* returns "." if there are no parents.
*/
if (NOT_LONE_CHAR(path, '.')) {
continue;
}
}
break;
}
} while (*++argv);
return status;
}
|
