1 /* vi: set sw=4 ts=4: */
2 /*
3 * Mini rm implementation for busybox
4 *
5 * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
10 *
11 * Size reduction.
12 */
13 //config:config RM
14 //config: bool "rm (5.4 kb)"
15 //config: default y
16 //config: help
17 //config: rm is used to remove files or directories.
18
19 //applet:IF_RM(APPLET_NOEXEC(rm, rm, BB_DIR_BIN, BB_SUID_DROP, rm))
20 /* was NOFORK, but then "rm -i FILE" can't be ^C'ed if run by hush */
21
22 //kbuild:lib-$(CONFIG_RM) += rm.o
23
24 /* BB_AUDIT SUSv3 compliant */
25 /* http://www.opengroup.org/onlinepubs/007904975/utilities/rm.html */
26
27 //usage:#define rm_trivial_usage
28 //usage: "[-irf] FILE..."
29 //usage:#define rm_full_usage "\n\n"
30 //usage: "Remove (unlink) FILEs\n"
31 //usage: "\n -i Always prompt before removing"
32 //usage: "\n -f Never prompt"
33 //usage: "\n -R,-r Recurse"
34 //usage:
35 //usage:#define rm_example_usage
36 //usage: "$ rm -rf /tmp/foo\n"
37
38 #include "libbb.h"
39
40 /* This is a NOEXEC applet. Be very careful! */
41
42 int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
rm_main(int argc UNUSED_PARAM,char ** argv)43 int rm_main(int argc UNUSED_PARAM, char **argv)
44 {
45 int status = 0;
46 int flags = 0;
47 unsigned opt;
48
49 opt = getopt32(argv, "^" "fiRrv" "\0" "f-i:i-f");
50 argv += optind;
51 if (opt & 1)
52 flags |= FILEUTILS_FORCE;
53 if (opt & 2)
54 flags |= FILEUTILS_INTERACTIVE;
55 if (opt & (8|4))
56 flags |= FILEUTILS_RECUR;
57 if ((opt & 16) && FILEUTILS_VERBOSE)
58 flags |= FILEUTILS_VERBOSE;
59
60 if (*argv != NULL) {
61 do {
62 const char *base = bb_get_last_path_component_strip(*argv);
63
64 if (DOT_OR_DOTDOT(base)) {
65 bb_simple_error_msg("can't remove '.' or '..'");
66 } else if (remove_file(*argv, flags) >= 0) {
67 continue;
68 }
69 status = 1;
70 } while (*++argv);
71 } else if (!(flags & FILEUTILS_FORCE)) {
72 bb_show_usage();
73 }
74
75 return status;
76 }
77