source: rtems/cpukit/libmisc/shell/main_chroot.c @ 2649eef

4.104.115
Last change on this file since 2649eef was dfe0e58, checked in by Joel Sherrill <joel.sherrill@…>, on 02/27/08 at 21:52:16

2008-02-27 Joel Sherrill <joel.sherrill@…>

  • 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.
  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 *  CHROOT Shell Command Implmentation
3 *
4 *  Author: Fernando RUIZ CASAS
5 *  Work: fernando.ruiz@ctv.es
6 *  Home: correo@fernando-ruiz.com
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#ifdef HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#include <stdio.h>
20#include <unistd.h>
21#include <string.h>
22#include <errno.h>
23
24#include <rtems.h>
25#include <rtems/shell.h>
26#include "internal.h"
27
28int rtems_shell_main_chroot(
29  int argc,
30  char * argv[]
31)
32{
33  char *new_root = "/";
34
35  if (argc == 2)
36     new_root = argv[1];
37
38  if ( chroot(new_root) < 0 ) {
39    fprintf(stderr,"chroot %s (%s)\n", new_root, strerror(errno));
40    return -1;
41  }
42
43  return 0;
44}
45
46rtems_shell_cmd_t rtems_shell_CHROOT_Command = {
47  "chroot",                                     /* name */
48  "chroot [dir] # change the root directory",   /* usage */
49  "files",                                      /* topic */
50  rtems_shell_main_chroot,                      /* command */
51  NULL,                                         /* alias */
52  NULL                                          /* next */
53};
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