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
|
/* vi: set sw=4 ts=4: */
/*
* Mini remove_file implementation for busybox
*
* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
/* Used from NOFORK applets. Must not allocate anything */
int FAST_FUNC remove_file(const char *path, int flags)
{
struct stat path_stat;
if (lstat(path, &path_stat) < 0) {
if (errno != ENOENT) {
bb_perror_msg("can't stat '%s'", path);
return -1;
}
if (!(flags & FILEUTILS_FORCE)) {
bb_perror_msg("can't remove '%s'", path);
return -1;
}
return 0;
}
if (S_ISDIR(path_stat.st_mode)) {
DIR *dp;
struct dirent *d;
int status = 0;
if (!(flags & FILEUTILS_RECUR)) {
bb_error_msg("'%s' is a directory", path);
return -1;
}
if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0))
|| (flags & FILEUTILS_INTERACTIVE)
) {
fprintf(stderr, "%s: descend into directory '%s'? ", applet_name,
path);
if (!bb_ask_y_confirmation())
return 0;
}
dp = opendir(path);
if (dp == NULL) {
return -1;
}
while ((d = readdir(dp)) != NULL) {
char *new_path;
new_path = concat_subpath_file(path, d->d_name);
if (new_path == NULL)
continue;
if (remove_file(new_path, flags) < 0)
status = -1;
free(new_path);
}
if (closedir(dp) < 0) {
bb_perror_msg("can't close '%s'", path);
return -1;
}
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
if (!bb_ask_y_confirmation())
return status;
}
if (rmdir(path) < 0) {
bb_perror_msg("can't remove '%s'", path);
return -1;
}
if (flags & FILEUTILS_VERBOSE) {
printf("removed directory: '%s'\n", path);
}
return status;
}
/* !ISDIR */
if ((!(flags & FILEUTILS_FORCE)
&& access(path, W_OK) < 0
&& !S_ISLNK(path_stat.st_mode)
&& isatty(0))
|| (flags & FILEUTILS_INTERACTIVE)
) {
fprintf(stderr, "%s: remove '%s'? ", applet_name, path);
if (!bb_ask_y_confirmation())
return 0;
}
if (unlink(path) < 0) {
bb_perror_msg("can't remove '%s'", path);
return -1;
}
if (flags & FILEUTILS_VERBOSE) {
printf("removed '%s'\n", path);
}
return 0;
}
|
