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Diffstat (limited to 'busybox/libbb/remove_file.c')
-rw-r--r--busybox/libbb/remove_file.c124
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
33extern 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}