LXR uboot/common/cmd

   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
  27int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  28{
  29        int i;
  30        int putnl = 1;
  31
  32        for (i = 1; i < argc; i++) {
  33                char *p = argv[i], c;
  34
  35                if (i > 1)
  36                        putc(' ');
  37                while ((c = *p++) != '\0') {
  38                        if (c == '\\' && *p == 'c') {
  39                                putnl = 0;
  40                                p++;
  41                        } else {
  42                                putc(c);
  43                        }
  44                }
  45        }
  46
  47        if (putnl)
  48                putc('\n');
  49
  50        return 0;
  51}
  52
  53U_BOOT_CMD(
  54        echo,   CONFIG_SYS_MAXARGS,     1,      do_echo,
  55        "echo args to console",
  56        "[args..]\n"
  57        "    - echo args to console; \\c suppresses newline"
  58);
  59