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/*
* Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "common.h"
#include "command.h"
command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uint_fast8_t putnl = 1;
(void) cmdtp; (void) flag;
for (uint_fast8_t i = 1; i < argc; i++) {
uint_fast8_t backslash = 0;
char *p = argv[i];
char c;
if (i != 1)
putchar(' ');
while ((c = *p++) != '\0') {
if(backslash) {
backslash = 0;
if (c == 'c') {
putnl = 0;
continue;
} else
putchar('\\');
} else {
if (c == '\\') {
backslash = 1;
continue;
}
}
putchar(c);
}
}
if (putnl)
putchar('\n');
return CMD_RET_SUCCESS;
}
#if 0
U_BOOT_CMD(
echo, CONFIG_SYS_MAXARGS, 1, do_echo,
"echo args to console",
"[args..]\n"
" - echo args to console; \\c suppresses newline"
);
#endif
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