diff options
Diffstat (limited to 'busybox/libbb/remove_file.c')
-rw-r--r-- | busybox/libbb/remove_file.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/busybox/libbb/remove_file.c b/busybox/libbb/remove_file.c new file mode 100644 index 000000000..8b45c58b8 --- /dev/null +++ b/busybox/libbb/remove_file.c | |||
@@ -0,0 +1,124 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini remove_file implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | #include <stdio.h> | ||
23 | #include <time.h> | ||
24 | #include <utime.h> | ||
25 | #include <dirent.h> | ||
26 | #include <errno.h> | ||
27 | #include <unistd.h> | ||
28 | #include <stdlib.h> | ||
29 | #include <string.h> | ||
30 | #include <getopt.h> | ||
31 | #include "libbb.h" | ||
32 | |||
33 | extern int remove_file(const char *path, int flags) | ||
34 | { | ||
35 | struct stat path_stat; | ||
36 | int path_exists = 1; | ||
37 | |||
38 | if (lstat(path, &path_stat) < 0) { | ||
39 | if (errno != ENOENT) { | ||
40 | bb_perror_msg("unable to stat `%s'", path); | ||
41 | return -1; | ||
42 | } | ||
43 | |||
44 | path_exists = 0; | ||
45 | } | ||
46 | |||
47 | if (!path_exists) { | ||
48 | if (!(flags & FILEUTILS_FORCE)) { | ||
49 | bb_perror_msg("cannot remove `%s'", path); | ||
50 | return -1; | ||
51 | } | ||
52 | return 0; | ||
53 | } | ||
54 | |||
55 | if (S_ISDIR(path_stat.st_mode)) { | ||
56 | DIR *dp; | ||
57 | struct dirent *d; | ||
58 | int status = 0; | ||
59 | |||
60 | if (!(flags & FILEUTILS_RECUR)) { | ||
61 | bb_error_msg("%s: is a directory", path); | ||
62 | return -1; | ||
63 | } | ||
64 | |||
65 | if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && | ||
66 | isatty(0)) || | ||
67 | (flags & FILEUTILS_INTERACTIVE)) { | ||
68 | fprintf(stderr, "%s: descend into directory `%s'? ", bb_applet_name, | ||
69 | path); | ||
70 | if (!bb_ask_confirmation()) | ||
71 | return 0; | ||
72 | } | ||
73 | |||
74 | if ((dp = opendir(path)) == NULL) { | ||
75 | bb_perror_msg("unable to open `%s'", path); | ||
76 | return -1; | ||
77 | } | ||
78 | |||
79 | while ((d = readdir(dp)) != NULL) { | ||
80 | char *new_path; | ||
81 | |||
82 | new_path = concat_subpath_file(path, d->d_name); | ||
83 | if(new_path == NULL) | ||
84 | continue; | ||
85 | if (remove_file(new_path, flags) < 0) | ||
86 | status = -1; | ||
87 | free(new_path); | ||
88 | } | ||
89 | |||
90 | if (closedir(dp) < 0) { | ||
91 | bb_perror_msg("unable to close `%s'", path); | ||
92 | return -1; | ||
93 | } | ||
94 | |||
95 | if (flags & FILEUTILS_INTERACTIVE) { | ||
96 | fprintf(stderr, "%s: remove directory `%s'? ", bb_applet_name, path); | ||
97 | if (!bb_ask_confirmation()) | ||
98 | return status; | ||
99 | } | ||
100 | |||
101 | if (rmdir(path) < 0) { | ||
102 | bb_perror_msg("unable to remove `%s'", path); | ||
103 | return -1; | ||
104 | } | ||
105 | |||
106 | return status; | ||
107 | } else { | ||
108 | if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && | ||
109 | !S_ISLNK(path_stat.st_mode) && | ||
110 | isatty(0)) || | ||
111 | (flags & FILEUTILS_INTERACTIVE)) { | ||
112 | fprintf(stderr, "%s: remove `%s'? ", bb_applet_name, path); | ||
113 | if (!bb_ask_confirmation()) | ||
114 | return 0; | ||
115 | } | ||
116 | |||
117 | if (unlink(path) < 0) { | ||
118 | bb_perror_msg("unable to remove `%s'", path); | ||
119 | return -1; | ||
120 | } | ||
121 | |||
122 | return 0; | ||
123 | } | ||
124 | } | ||