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67991cf824
done by Evin Robertson (bug#1105) and work from Manuel to make usage messages occupy less space and simplify how usage messages are displayed.
40 lines
710 B
C
40 lines
710 B
C
/* vi: set sw=4 ts=4: */
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/*
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* pivot_root.c - Change root file system. Based on util-linux 2.10s
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*
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* busyboxed by Evin Robertson
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*/
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#include "busybox.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/syscall.h>
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#include <linux/unistd.h>
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#ifndef __NR_pivot_root
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#error Sorry, but this kernel does not support the pivot_root syscall
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#endif
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static _syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
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int pivot_root_main(int argc, char **argv)
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{
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if (argc != 3)
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show_usage();
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if (pivot_root(argv[1],argv[2]) < 0)
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perror_msg_and_die("pivot_root");
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return EXIT_SUCCESS;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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