Last change
on this file since 3846 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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[821] | 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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[2725] | 9 | * Licensed under GPLv2, see file LICENSE in this source tree.
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[821] | 10 | */
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[3232] | 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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[1765] | 18 | #include "libbb.h"
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[821] | 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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[2725] | 22 | int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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[821] | 23 | int pivot_root_main(int argc, char **argv)
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| 24 | {
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[1765] | 25 | if (argc != 3)
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| 26 | bb_show_usage();
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[821] | 27 |
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[1765] | 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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[821] | 32 |
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[1765] | 33 | return EXIT_SUCCESS;
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[821] | 34 | }
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