Last change
on this file since 3735 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
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File size:
939 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * pivot_root.c - Change root file system. Based on util-linux 2.10s
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4 | *
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5 | * busyboxed by Evin Robertson
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6 | * pivot_root syscall stubbed by Erik Andersen, so it will compile
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7 | * regardless of the kernel being used.
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8 | *
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9 | * Licensed under GPLv2, see file LICENSE in this source tree.
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10 | */
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11 |
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12 | //usage:#define pivot_root_trivial_usage
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13 | //usage: "NEW_ROOT PUT_OLD"
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14 | //usage:#define pivot_root_full_usage "\n\n"
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15 | //usage: "Move the current root file system to PUT_OLD and make NEW_ROOT\n"
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16 | //usage: "the new root file system"
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17 |
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18 | #include "libbb.h"
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19 |
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20 | extern int pivot_root(const char * new_root,const char * put_old);
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21 |
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22 | int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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23 | int pivot_root_main(int argc, char **argv)
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24 | {
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25 | if (argc != 3)
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26 | bb_show_usage();
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27 |
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28 | if (pivot_root(argv[1], argv[2]) < 0) {
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29 | /* prints "pivot_root: <strerror text>" */
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30 | bb_perror_nomsg_and_die();
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31 | }
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32 |
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33 | return EXIT_SUCCESS;
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34 | }
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