diff options
Diffstat (limited to 'avr/cmd_misc.c')
| -rw-r--r-- | avr/cmd_misc.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/avr/cmd_misc.c b/avr/cmd_misc.c index b29aedd..c9a3c45 100644 --- a/avr/cmd_misc.c +++ b/avr/cmd_misc.c @@ -9,46 +9,43 @@ #include "common.h" #include <stdlib.h> +#include <stdbool.h> #include "command.h" #include "timer.h" #include "con-utils.h" +#include "getopt-min.h" command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - uint_fast8_t putnl = 1; + bool put_newline = true; (void) cmdtp; (void) flag; - for (uint_fast8_t i = 1; i < argc; i++) { + /* reset getopt() */ + optind = 1; + + int opt; + while ((opt = getopt(argc, argv, PSTR("n"))) != -1) { + switch (opt) { + case 'n': + put_newline = false; + break; + default: /* '?' */ + return CMD_RET_USAGE; + } + } - uint_fast8_t backslash = 0; - char *p = argv[i]; - char c; + for (uint_fast8_t i = optind; i < argc; i++) { - if (i != 1) + if (i != optind) 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); - } + + my_puts(argv[i]); } - if (putnl) + if (put_newline) putchar('\n'); return CMD_RET_SUCCESS; |