2007-12-14 Joel Sherrill <joel.sherrill@oarcorp.com>

* libmisc/Makefile.am, libmisc/shell/cat_file.c,
	libmisc/shell/shell_makeargs.c, libmisc/shell/shellconfig.h: Rename
	cmd_XXX.c to main_XXX.c. Add cpuuse and stackuse commands.
	* libmisc/shell/main_alias.c, libmisc/shell/main_cat.c,
	libmisc/shell/main_cd.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_dir.c, libmisc/shell/main_exit.c,
	libmisc/shell/main_help.c, libmisc/shell/main_id.c,
	libmisc/shell/main_logoff.c, libmisc/shell/main_ls.c,
	libmisc/shell/main_mallocdump.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_mwdump.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_whoami.c: New files.
	* libmisc/shell/cmd_alias.c, libmisc/shell/cmd_cat.c,
	libmisc/shell/cmd_cd.c, libmisc/shell/cmd_chdir.c,
	libmisc/shell/cmd_chmod.c, libmisc/shell/cmd_chroot.c,
	libmisc/shell/cmd_date.c, libmisc/shell/cmd_dir.c,
	libmisc/shell/cmd_exit.c, libmisc/shell/cmd_help.c,
	libmisc/shell/cmd_id.c, libmisc/shell/cmd_logoff.c,
	libmisc/shell/cmd_ls.c, libmisc/shell/cmd_mallocdump.c,
	libmisc/shell/cmd_mdump.c, libmisc/shell/cmd_medit.c,
	libmisc/shell/cmd_mfill.c, libmisc/shell/cmd_mkdir.c,
	libmisc/shell/cmd_mmove.c, libmisc/shell/cmd_mwdump.c,
	libmisc/shell/cmd_pwd.c, libmisc/shell/cmd_rm.c,
	libmisc/shell/cmd_rmdir.c, libmisc/shell/cmd_tty.c,
	libmisc/shell/cmd_umask.c, libmisc/shell/cmd_whoami.c: Removed.

cpukit/libmisc/shell/main_chroot.c

@@ -0,0 +1,49 @@
+/*
+ *  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 main_chroot(int argc,char * argv[]) {
+  char *new_root="/";
+
+  if (argc==2)
+    new_root=argv[1];
+
+  if (chroot(new_root)<0) {
+    fprintf(stdout,"error %s:chroot(%s);\n",strerror(errno),new_root);
+    return -1;
+  }
+
+  return 0;
+}
+
+shell_cmd_t Shell_CHROOT_Command = {
+  "chroot",                                     /* name */
+  "chroot [dir] # change the root directory",   /* usage */
+  "files",                                      /* topic */
+  main_chroot,                                  /* command */
+  NULL,                                         /* alias */
+  NULL                                          /* next */
+};