[J-u-boot.git] / cmd / echo.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 */

#include <command.h>

static int do_echo(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	int i = 1;
	bool space = false;
	bool newline = true;

	if (argc > 1) {
		if (!strcmp(argv[1], "-n")) {
			newline = false;
			++i;
		}
	}

	for (; i < argc; ++i) {
		if (space) {
			putc(' ');
		}
		puts(argv[i]);
		space = true;
	}

	if (newline)
		putc('\n');

	return 0;
}

U_BOOT_CMD(
	echo, CONFIG_SYS_MAXARGS, 1, do_echo,
	"echo args to console",
	"[-n] [args..]\n"
	"    - echo args to console; -n suppresses newline"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
6b8f5ad1 PT	2	/*
	3	* Copyright 2000-2009
	4	* Wolfgang Denk, DENX Software Engineering, [email protected].
6b8f5ad1 PT	5	*/
6b8f5ad1 PT	6
6b8f5ad1 PT	7	#include <command.h>
6b8f5ad1 PT	8
09140113 SG	9	static int do_echo(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	10	char *const argv[])
6b8f5ad1	11	{
d018734c HS	12	int i = 1;
	13	bool space = false;
	14	bool newline = true;
	15
	16	if (argc > 1) {
	17	if (!strcmp(argv[1], "-n")) {
	18	newline = false;
	19	++i;
	20	}
	21	}
6b8f5ad1	22
d018734c HS	23	for (; i < argc; ++i) {
d018734c HS	24	if (space) {
6b8f5ad1	25	putc(' ');
6b8f5ad1	26	}
d018734c HS	27	puts(argv[i]);
d018734c HS	28	space = true;
6b8f5ad1 PT	29	}
6b8f5ad1 PT	30
d018734c	31	if (newline)
6b8f5ad1 PT	32	putc('\n');
	33
	34	return 0;
	35	}
	36
	37	U_BOOT_CMD(
d018734c	38	echo, CONFIG_SYS_MAXARGS, 1, do_echo,
6b8f5ad1	39	"echo args to console",
d018734c HS	40	"[-n] [args..]\n"
d018734c HS	41	" - echo args to console; -n suppresses newline"
6b8f5ad1	42	);