Annotation of /trunk/mkinitrd-magellan/busybox/coreutils/chroot.c
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Revision 816 -
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Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
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Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 724 byte(s)
-updated to busybox-1.13.4
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Mini chroot implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
8 | */ | ||
9 | |||
10 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ | ||
11 | |||
12 | niro | 816 | #include "libbb.h" |
13 | niro | 532 | |
14 | niro | 816 | int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
15 | niro | 532 | int chroot_main(int argc, char **argv) |
16 | { | ||
17 | if (argc < 2) { | ||
18 | bb_show_usage(); | ||
19 | } | ||
20 | |||
21 | ++argv; | ||
22 | niro | 816 | xchroot(*argv); |
23 | niro | 532 | xchdir("/"); |
24 | |||
25 | ++argv; | ||
26 | if (argc == 2) { | ||
27 | argv -= 2; | ||
28 | niro | 816 | argv[0] = getenv("SHELL"); |
29 | if (!argv[0]) { | ||
30 | argv[0] = (char *) DEFAULT_SHELL; | ||
31 | niro | 532 | } |
32 | argv[1] = (char *) "-i"; | ||
33 | } | ||
34 | |||
35 | niro | 816 | BB_EXECVP(*argv, argv); |
36 | niro | 532 | bb_perror_msg_and_die("cannot execute %s", *argv); |
37 | } |