diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-02-13 23:04:30 +0300 |
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committer | Eric Andersen <andersen@codepoet.org> | 2001-02-13 23:04:30 +0300 |
commit | 6fd8c664c1bcb44429b81444be640ff08cac3702 (patch) | |
tree | a8faf540fe49e308e52e1694e00f280ac51b9192 /pivot_root.c | |
parent | 3af1f88725348b15a0aa467b5734d55210bedf7c (diff) |
Apply a patch from Evin Robertson -- new pivot_root applet.
-Erik
Diffstat (limited to 'pivot_root.c')
-rw-r--r-- | pivot_root.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/pivot_root.c b/pivot_root.c new file mode 100644 index 000000000..92fe4aeab --- /dev/null +++ b/pivot_root.c @@ -0,0 +1,39 @@ +/* vi: set sw=4 ts=4: */ +/* + * pivot_root.c - Change root file system. Based on util-linux 2.10s + * + * busyboxed by Evin Robertson + */ +#include "busybox.h" +#include <stdlib.h> +#include <stdio.h> +#include <sys/syscall.h> +#include <linux/unistd.h> + +#ifndef __NR_pivot_root +#error Sorry, but this kernel does not support the pivot_root syscall +#endif + +static _syscall2(int,pivot_root,const char *,new_root,const char *,put_old) + + +int pivot_root_main(int argc, char **argv) +{ + if (argc != 3) + usage(pivot_root_usage); + + if (pivot_root(argv[1],argv[2]) < 0) + perror_msg_and_die("pivot_root"); + + return EXIT_SUCCESS; + +} + + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |