[J-u-boot.git] / common / cmd_echo.c

/*
 * Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

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

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
6b8f5ad1 PT	1	/*
	2	* Copyright 2000-2009
	3	* Wolfgang Denk, DENX Software Engineering, [email protected].
	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
54841ab5	27	int do_echo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
6b8f5ad1 PT	28	{
	29	int i;
	30	int putnl = 1;
	31
	32	for (i = 1; i < argc; i++) {
bb64d1c9 JH	33	char *p = argv[i];
bb64d1c9 JH	34	char nls; / new-line suppression */
6b8f5ad1 PT	35
	36	if (i > 1)
	37	putc(' ');
bb64d1c9 JH	38
	39	nls = strstr(p, "\\c");
	40	if (nls) {
	41	char *prenls = p;
	42
	43	putnl = 0;
	44	/*
	45	* be paranoid and guess that someone might
	46	* say \c more than once
	47	*/
	48	while (nls) {
	49	*nls = '\0';
	50	puts(prenls);
	51	*nls = '\\';
	52	prenls = nls + 2;
	53	nls = strstr(prenls, "\\c");
6b8f5ad1	54	}
bb64d1c9 JH	55	puts(prenls);
	56	} else {
	57	puts(p);
6b8f5ad1 PT	58	}
	59	}
	60
	61	if (putnl)
	62	putc('\n');
	63
	64	return 0;
	65	}
	66
	67	U_BOOT_CMD(
	68	echo, CONFIG_SYS_MAXARGS, 1, do_echo,
	69	"echo args to console",
	70	"[args..]\n"
	71	" - echo args to console; \\c suppresses newline"
	72	);