busybox/util-linux/pivot_root.c

/* vi: set sw=4 ts=4: */
/*
 * pivot_root.c - Change root file system.  Based on util-linux 2.10s
 *
 * busyboxed by Evin Robertson
 * pivot_root syscall stubbed by Erik Andersen, so it will compile
 *     regardless of the kernel being used.
 *
 * Licensed under GPL version 2, see file LICENSE in this tarball for details.
 */
#include "libbb.h"

extern int pivot_root(const char * new_root,const char * put_old);

int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int pivot_root_main(int argc, char **argv)
{
	if (argc != 3)
		bb_show_usage();

	if (pivot_root(argv[1], argv[2]) < 0) {
		/* prints "pivot_root: <strerror text>" */
		bb_perror_nomsg_and_die();
	}

	return EXIT_SUCCESS;
}
1	/* vi: set sw=4 ts=4: */
2	/*
3	* pivot_root.c - Change root file system. Based on util-linux 2.10s
4	*
5	* busyboxed by Evin Robertson
6	* pivot_root syscall stubbed by Erik Andersen, so it will compile
7	* regardless of the kernel being used.
8	*
9	* Licensed under GPL version 2, see file LICENSE in this tarball for details.
10	*/
11	#include "libbb.h"
12
13	extern int pivot_root(const char * new_root,const char * put_old);
14
15	int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
16	int pivot_root_main(int argc, char **argv)
17	{
18	if (argc != 3)
19	bb_show_usage();
20
21	if (pivot_root(argv[1], argv[2]) < 0) {
22	/* prints "pivot_root: <strerror text>" */
23	bb_perror_nomsg_and_die();
24	}
25
26	return EXIT_SUCCESS;
27	}