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

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

#include <common.h>
#include <command.h>

static int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int i;
	int putnl = 1;

	for (i = 1; i < argc; i++) {
		char *p = argv[i];
		char *nls; /* new-line suppression */

		if (i > 1)
			putc(' ');

		nls = strstr(p, "\\c");
		if (nls) {
			char *prenls = p;

			putnl = 0;
			/*
			 * be paranoid and guess that someone might
			 * say \c more than once
			 */
			while (nls) {
				*nls = '\0';
				puts(prenls);
				*nls = '\\';
				prenls = nls + 2;
				nls = strstr(prenls, "\\c");
			}
			puts(prenls);
		} else {
			puts(p);
		}
	}

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

	return 0;
}

U_BOOT_CMD(
	echo,	CONFIG_SYS_MAXARGS,	1,	do_echo,
	"echo args to console",
	"[args..]\n"
	"    - echo args to console; \\c 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	*/
	6
	7	#include <common.h>
	8	#include <command.h>
	9
088f1b19	10	static int do_echo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
6b8f5ad1 PT	11	{
	12	int i;
	13	int putnl = 1;
	14
	15	for (i = 1; i < argc; i++) {
bb64d1c9 JH	16	char *p = argv[i];
bb64d1c9 JH	17	char nls; / new-line suppression */
6b8f5ad1 PT	18
	19	if (i > 1)
	20	putc(' ');
bb64d1c9 JH	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");
6b8f5ad1	37	}
bb64d1c9 JH	38	puts(prenls);
	39	} else {
	40	puts(p);
6b8f5ad1 PT	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	);