projects / z180-stamp.git / blame
| Commit | Line | Data |
|---|---|---|
| d684c216 L |
1 | /* |
| 2 | * Copyright 2000-2009 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 4 | * | |
| 5 | * SPDX-License-Identifier: GPL-2.0+ | |
| 6 | */ | |
| 7 | ||
| 8 | #include "common.h" | |
| 9 | #include "command.h" | |
| 10 | ||
| 11 | ||
| d0581f88 | 12 | command_ret_t do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| d684c216 L |
13 | { |
| 14 | uint_fast8_t putnl = 1; | |
| 15 | ||
| 16 | (void) cmdtp; (void) flag; | |
| 17 | ||
| 18 | for (uint_fast8_t i = 1; i < argc; i++) { | |
| 19 | ||
| 20 | uint_fast8_t backslash = 0; | |
| 21 | char *p = argv[i]; | |
| 22 | char c; | |
| 23 | ||
| 24 | if (i != 1) | |
| 25 | putchar(' '); | |
| 26 | while ((c = *p++) != '\0') { | |
| 27 | ||
| 28 | if(backslash) { | |
| 29 | backslash = 0; | |
| 30 | if (c == 'c') { | |
| 31 | putnl = 0; | |
| 32 | continue; | |
| 33 | } else | |
| 34 | putchar('\\'); | |
| 35 | } else { | |
| 36 | if (c == '\\') { | |
| 37 | backslash = 1; | |
| 38 | continue; | |
| 39 | } | |
| 40 | } | |
| 41 | putchar(c); | |
| 42 | } | |
| 43 | } | |
| 44 | ||
| 45 | if (putnl) | |
| 46 | putchar('\n'); | |
| 47 | ||
| d0581f88 | 48 | return CMD_RET_SUCCESS; |
| d684c216 L |
49 | } |
| 50 | ||
| 51 | #if 0 | |
| 52 | U_BOOT_CMD( | |
| 53 | echo, CONFIG_SYS_MAXARGS, 1, do_echo, | |
| 54 | "echo args to console", | |
| 55 | "[args..]\n" | |
| 56 | " - echo args to console; \\c suppresses newline" | |
| 57 | ); | |
| 58 | #endif |