1*2e192b24SSimon Glass /*
2*2e192b24SSimon Glass * Copyright 2000-2009
3*2e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*2e192b24SSimon Glass *
5*2e192b24SSimon Glass * SPDX-License-Identifier: GPL-2.0+
6*2e192b24SSimon Glass */
7*2e192b24SSimon Glass
8*2e192b24SSimon Glass #include <common.h>
9*2e192b24SSimon Glass #include <command.h>
10*2e192b24SSimon Glass
do_echo(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])11*2e192b24SSimon Glass static int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
12*2e192b24SSimon Glass {
13*2e192b24SSimon Glass int i;
14*2e192b24SSimon Glass int putnl = 1;
15*2e192b24SSimon Glass
16*2e192b24SSimon Glass for (i = 1; i < argc; i++) {
17*2e192b24SSimon Glass char *p = argv[i];
18*2e192b24SSimon Glass char *nls; /* new-line suppression */
19*2e192b24SSimon Glass
20*2e192b24SSimon Glass if (i > 1)
21*2e192b24SSimon Glass putc(' ');
22*2e192b24SSimon Glass
23*2e192b24SSimon Glass nls = strstr(p, "\\c");
24*2e192b24SSimon Glass if (nls) {
25*2e192b24SSimon Glass char *prenls = p;
26*2e192b24SSimon Glass
27*2e192b24SSimon Glass putnl = 0;
28*2e192b24SSimon Glass /*
29*2e192b24SSimon Glass * be paranoid and guess that someone might
30*2e192b24SSimon Glass * say \c more than once
31*2e192b24SSimon Glass */
32*2e192b24SSimon Glass while (nls) {
33*2e192b24SSimon Glass *nls = '\0';
34*2e192b24SSimon Glass puts(prenls);
35*2e192b24SSimon Glass *nls = '\\';
36*2e192b24SSimon Glass prenls = nls + 2;
37*2e192b24SSimon Glass nls = strstr(prenls, "\\c");
38*2e192b24SSimon Glass }
39*2e192b24SSimon Glass puts(prenls);
40*2e192b24SSimon Glass } else {
41*2e192b24SSimon Glass puts(p);
42*2e192b24SSimon Glass }
43*2e192b24SSimon Glass }
44*2e192b24SSimon Glass
45*2e192b24SSimon Glass if (putnl)
46*2e192b24SSimon Glass putc('\n');
47*2e192b24SSimon Glass
48*2e192b24SSimon Glass return 0;
49*2e192b24SSimon Glass }
50*2e192b24SSimon Glass
51*2e192b24SSimon Glass U_BOOT_CMD(
52*2e192b24SSimon Glass echo, CONFIG_SYS_MAXARGS, 1, do_echo,
53*2e192b24SSimon Glass "echo args to console",
54*2e192b24SSimon Glass "[args..]\n"
55*2e192b24SSimon Glass " - echo args to console; \\c suppresses newline"
56*2e192b24SSimon Glass );
57