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