forked from Imagelibrary/rtems
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/**
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* @file
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*
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* @brief CHROOT Shell Command Implmentation
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*/
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/*
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* Copyright (c) 2001 Fernando Ruiz Casas <fruizcasas@gmail.com>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <rtems.h>
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#include <rtems/shell.h>
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#include "internal.h"
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static int rtems_shell_main_chroot(
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int argc,
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char * argv[]
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)
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{
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char *new_root = "/";
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if (argc == 2)
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new_root = argv[1];
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if ( chroot(new_root) < 0 ) {
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fprintf(stderr,"chroot %s (%s)\n", new_root, strerror(errno));
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return -1;
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}
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return 0;
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}
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rtems_shell_cmd_t rtems_shell_CHROOT_Command = {
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"chroot", /* name */
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"chroot [dir] # change the root directory", /* usage */
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"files", /* topic */
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rtems_shell_main_chroot, /* command */
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NULL, /* alias */
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NULL /* next */
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};
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