Files
rtems/cpukit/libmisc/shell/main_chroot.c
Joel Sherrill dfe0e5833a 2008-02-27 Joel Sherrill <joel.sherrill@oarcorp.com>
* libmisc/shell/cat_file.c, libmisc/shell/main_alias.c,
	libmisc/shell/main_blksync.c, libmisc/shell/main_cat.c,
	libmisc/shell/main_chdir.c, libmisc/shell/main_chmod.c,
	libmisc/shell/main_chroot.c, libmisc/shell/main_cpuuse.c,
	libmisc/shell/main_date.c, libmisc/shell/main_help.c,
	libmisc/shell/main_id.c, libmisc/shell/main_logoff.c,
	libmisc/shell/main_ls.c, libmisc/shell/main_mallocinfo.c,
	libmisc/shell/main_mdump.c, libmisc/shell/main_medit.c,
	libmisc/shell/main_mfill.c, libmisc/shell/main_mkdir.c,
	libmisc/shell/main_mmove.c, libmisc/shell/main_mount.c,
	libmisc/shell/main_mount_nfs.c, libmisc/shell/main_msdosfmt.c,
	libmisc/shell/main_mwdump.c, libmisc/shell/main_perioduse.c,
	libmisc/shell/main_pwd.c, libmisc/shell/main_rm.c,
	libmisc/shell/main_rmdir.c, libmisc/shell/main_stackuse.c,
	libmisc/shell/main_tty.c, libmisc/shell/main_umask.c,
	libmisc/shell/main_unmount.c, libmisc/shell/main_whoami.c,
	libmisc/shell/shell.h: Clean up done while writing documentation.
	Some command improvements such as date now allows setting of the
	current TOD. Often commands did not use stdout/stderr per
	expectations and did not return -1 on an error.
2008-02-27 21:52:16 +00:00

54 lines
1.2 KiB
C

/*
* CHROOT Shell Command Implmentation
*
* Author: Fernando RUIZ CASAS
* Work: fernando.ruiz@ctv.es
* Home: correo@fernando-ruiz.com
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <rtems.h>
#include <rtems/shell.h>
#include "internal.h"
int rtems_shell_main_chroot(
int argc,
char * argv[]
)
{
char *new_root = "/";
if (argc == 2)
new_root = argv[1];
if ( chroot(new_root) < 0 ) {
fprintf(stderr,"chroot %s (%s)\n", new_root, strerror(errno));
return -1;
}
return 0;
}
rtems_shell_cmd_t rtems_shell_CHROOT_Command = {
"chroot", /* name */
"chroot [dir] # change the root directory", /* usage */
"files", /* topic */
rtems_shell_main_chroot, /* command */
NULL, /* alias */
NULL /* next */
};