common/cmd_exit.c

   1 /*
   2  * Copyright 2000-2009
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <command.h>
  26
  27 int do_exit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  28 {
  29         int r;
  30
  31         r = 0;
  32         if (argc > 1)
  33                 r = simple_strtoul(argv[1], NULL, 10);
  34
  35         return -r - 2;
  36 }
  37
  38 U_BOOT_CMD(
  39         exit,   2,      1,      do_exit,
  40         "exit script",
  41         ""
  42 );