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Commit | Line | Data |
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35edb766 | 1 | /* |
ccb6ffb9 | 2 | * (C) Copyright 2014, 2016 Leo C. <erbl259-lmu@yahoo.de> |
35edb766 L |
3 | * |
4 | * (C) Copyright 2000-2009 | |
5 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
6 | * | |
ccb6ffb9 | 7 | * SPDX-License-Identifier: GPL-2.0 |
35edb766 L |
8 | */ |
9 | ||
d684c216 L |
10 | /* |
11 | * Command Processor Table | |
12 | */ | |
13 | ||
fcd2239e | 14 | #include "command.h" |
d684c216 | 15 | #include "common.h" |
8f23e84c | 16 | #include <stdlib.h> |
d684c216 L |
17 | #include <string.h> |
18 | #include <ctype.h> | |
fcd2239e | 19 | #include <setjmp.h> |
d684c216 L |
20 | |
21 | #include "config.h" | |
8f23e84c | 22 | #include "print-utils.h" |
d684c216 L |
23 | #include "con-utils.h" |
24 | #include "env.h" | |
8f23e84c | 25 | #include "debug.h" |
fcd2239e L |
26 | |
27 | ||
28 | jmp_buf cmd_jbuf; | |
d684c216 L |
29 | |
30 | ||
deb08cb6 L |
31 | static void print_usage_line(const FLASH char *name, int width, |
32 | const FLASH char *usage) | |
d684c216 | 33 | { |
deb08cb6 L |
34 | width -= strlen_P(name); |
35 | if (width < 0) | |
36 | width = 0; | |
d684c216 | 37 | my_puts_P(name); |
deb08cb6 | 38 | print_blanks(width); |
d684c216 L |
39 | my_puts_P(PSTR(" - ")); |
40 | my_puts_P(usage); | |
41 | my_puts_P(PSTR("\n")); | |
42 | } | |
43 | ||
44 | int strcmp_PP(const FLASH char *s1, const FLASH char *s2) | |
45 | { | |
46 | unsigned char c1, c2; | |
47 | ||
c79c80b4 | 48 | while ((c1 = *(const FLASH unsigned char *)s1++) |
d684c216 L |
49 | == (c2 = *(const FLASH unsigned char *)s2++)) |
50 | if (c1 == 0) | |
51 | return 0; | |
52 | ||
53 | return c1 - c2; | |
54 | } | |
55 | ||
c79c80b4 | 56 | int cmpstring_PP(const void *p1, const void *p2) |
d684c216 | 57 | { |
c79c80b4 | 58 | return strcmp_PP((*(const FLASH cmd_tbl_t **) p1)->name, |
d684c216 L |
59 | (*(const FLASH cmd_tbl_t **) p2)->name); |
60 | } | |
61 | ||
1c62c844 L |
62 | /****************************************************************************/ |
63 | ||
6c851813 | 64 | int cmd_tbl_item_count(cmd_tbl_t *p) |
d684c216 | 65 | { |
d684c216 L |
66 | int count = 0; |
67 | ||
68 | while (p->name != NULL) { | |
69 | p++; count++; | |
70 | } | |
71 | return count; | |
72 | } | |
73 | ||
1c62c844 L |
74 | |
75 | cmd_tbl_t *get_cmd_tbl_base(cmd_tbl_t *cmdtp) | |
76 | { | |
77 | cmd_tbl_t *p = cmdtp; | |
78 | ||
79 | while (p->name != NULL) | |
80 | ++p; | |
81 | ||
82 | return p->subcmd; | |
83 | } | |
84 | ||
85 | /* | |
6c7c9c2d L |
86 | * find command table entry for a command |
87 | */ | |
88 | cmd_tbl_t *find_cmd (const char *cmd, cmd_tbl_t *table) | |
89 | { | |
90 | cmd_tbl_t *cmdtp; | |
91 | cmd_tbl_t *cmdtp_temp = table; /*Init value */ | |
92 | int table_len = cmd_tbl_item_count(table); | |
93 | size_t len; | |
94 | uint_fast8_t n_found = 0; | |
95 | ||
96 | char *optenv = getenv_str(PSTR("cmd")); | |
97 | bool opt_debug = optenv && strstr_P(optenv, PSTR("debug")) != NULL; | |
98 | ||
99 | if (!cmd) | |
100 | return NULL; | |
101 | ||
102 | len = strlen(cmd); | |
103 | ||
104 | for (cmdtp = table; | |
105 | cmdtp != table + table_len; | |
106 | cmdtp++) { | |
107 | if (strncmp_P(cmd, cmdtp->name, len) == 0 && | |
108 | (opt_debug || cmdtp->name[0] != '!')) { | |
109 | if (len == strlen_P(cmdtp->name)) | |
110 | return cmdtp; /* full match */ | |
111 | ||
112 | cmdtp_temp = cmdtp; /* abbreviated command ? */ | |
113 | n_found++; | |
114 | } | |
115 | } | |
116 | if (n_found == 1) /* exactly one match */ | |
117 | return cmdtp_temp; | |
118 | ||
119 | return NULL; /* not found or ambiguous command */ | |
120 | } | |
121 | ||
1c62c844 | 122 | cmd_tbl_t *find_cmd_sub(const char *cmd, cmd_tbl_t *table) |
6c7c9c2d | 123 | { |
1c62c844 | 124 | cmd_tbl_t *entry = NULL; |
6c7c9c2d | 125 | |
1c62c844 L |
126 | for (cmd_tbl_t *tp = get_cmd_tbl_base(table); tp->name && entry == NULL; tp++) |
127 | if (tp->subcmd && tp->flags & CTBL_SUBCMDAUTO) | |
128 | entry = find_cmd(cmd, tp->subcmd); | |
6c7c9c2d | 129 | |
1c62c844 | 130 | return entry; |
6c7c9c2d L |
131 | } |
132 | ||
d684c216 L |
133 | /* |
134 | * Use puts() instead of printf() to avoid printf buffer overflow | |
135 | * for long help messages | |
136 | */ | |
137 | ||
6c7c9c2d | 138 | command_ret_t do_help(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
d684c216 | 139 | { |
d684c216 L |
140 | (void) flag; |
141 | ||
1c62c844 | 142 | cmd_tbl_t *tbl_start = get_cmd_tbl_base(cmdtp); |
6c7c9c2d | 143 | |
ccb6ffb9 L |
144 | char *optenv = getenv_str(PSTR("cmd")); |
145 | bool opt_debug = optenv && strstr_P(optenv, PSTR("debug")) != NULL; | |
146 | ||
d684c216 | 147 | if (argc == 1) { /*show list of commands */ |
6c851813 | 148 | int cmd_items = cmd_tbl_item_count(tbl_start); |
d684c216 | 149 | cmd_tbl_t *cmd_array[cmd_items]; |
6c851813 L |
150 | cmd_tbl_t *tp = tbl_start; |
151 | uint_fast8_t max_len = 0; | |
d684c216 L |
152 | |
153 | /* Make array of commands from .uboot_cmd section */ | |
6c851813 L |
154 | for (int i = 0; i < cmd_items; i++) { |
155 | cmd_array[i] = tp++; | |
deb08cb6 L |
156 | uint_fast8_t l = strlen_P(cmd_array[i]->name); |
157 | if (l > max_len) | |
158 | max_len = l; | |
d684c216 L |
159 | } |
160 | ||
161 | /* Sort command list */ | |
c79c80b4 | 162 | qsort(cmd_array, cmd_items, sizeof (cmd_tbl_t *), cmpstring_PP); |
d684c216 L |
163 | |
164 | /* print short help (usage) */ | |
6c851813 | 165 | for (int i = 0; i < cmd_items; i++) { |
ccb6ffb9 L |
166 | if (opt_debug || cmd_array[i]->name[0] != '!') { |
167 | const FLASH char *usage = cmd_array[i]->usage; | |
168 | ||
169 | /* allow user abort */ | |
170 | if (ctrlc ()) | |
171 | return CMD_RET_FAILURE; | |
172 | if (usage == NULL) | |
173 | continue; | |
6c851813 | 174 | #if defined(GCC_BUG_61443) || 1 |
ccb6ffb9 | 175 | print_usage_line(cmd_array[i]->name, max_len, usage); |
d684c216 | 176 | #else |
ccb6ffb9 L |
177 | printf_P(PSTR("%-" stringify(8) /*FIXME*/ "S - %S\n"), |
178 | cmd_array[i]->name, usage); | |
d684c216 | 179 | #endif |
ccb6ffb9 | 180 | } |
d684c216 | 181 | } |
d0581f88 | 182 | return CMD_RET_SUCCESS; |
d684c216 | 183 | } |
6c851813 | 184 | |
d684c216 L |
185 | /* |
186 | * command help (long version) | |
187 | */ | |
6c851813 L |
188 | for (uint8_t i = 1; i < argc; ++i) { |
189 | if ((cmdtp = find_cmd(argv[i], tbl_start)) != NULL && | |
ccb6ffb9 | 190 | (opt_debug || cmdtp->name[0] != '!')) { |
3f858d9f | 191 | cmd_usage(cmdtp); |
d684c216 L |
192 | } else { |
193 | printf_P(PSTR("Unknown command '%s' - try 'help'" | |
194 | " without arguments.\n\n"), argv[i] | |
195 | ); | |
6c851813 | 196 | return CMD_RET_FAILURE; |
d684c216 L |
197 | } |
198 | } | |
6c851813 L |
199 | |
200 | return CMD_RET_SUCCESS; | |
d684c216 L |
201 | } |
202 | ||
d684c216 | 203 | |
d0581f88 | 204 | command_ret_t cmd_usage(const FLASH cmd_tbl_t *cmdtp) |
d684c216 L |
205 | { |
206 | // printf("%s - %s\n\n", cmdtp->name, cmdtp->usage); | |
deb08cb6 | 207 | print_usage_line(cmdtp->name, 0, cmdtp->usage); |
d684c216 L |
208 | #if 0 |
209 | my_puts_P(cmdtp->name); | |
deb08cb6 | 210 | print_blanks(/*FIXME*/ 8 - strlen_P(cmdtp->name)); |
d684c216 L |
211 | my_puts_P(PSTR(" - ")); |
212 | my_puts_P(cmdtp->usage); | |
213 | my_puts_P(PSTR("\n\n")); | |
214 | #endif | |
215 | #ifdef CONFIG_SYS_LONGHELP | |
216 | // printf("Usage:\n%s ", cmdtp->name); | |
217 | my_puts_P(PSTR("Usage:\n")); | |
218 | my_puts_P(cmdtp->name); | |
f338df2a | 219 | my_puts_P(PSTR(" ")); |
d684c216 L |
220 | |
221 | if (!cmdtp->help) { | |
222 | my_puts_P(PSTR(" - No additional help available.\n")); | |
d0581f88 | 223 | return CMD_RET_FAILURE; |
d684c216 L |
224 | } |
225 | ||
226 | my_puts_P(cmdtp->help); | |
227 | my_puts_P(PSTR("\n")); | |
228 | #endif /* CONFIG_SYS_LONGHELP */ | |
d0581f88 | 229 | return CMD_RET_FAILURE; |
d684c216 L |
230 | } |
231 | ||
232 | #ifdef CONFIG_AUTO_COMPLETE | |
233 | ||
234 | int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]) | |
235 | { | |
dea9a315 | 236 | static char tmp_buf[CONFIG_SYS_CBSIZE]; |
d684c216 L |
237 | int space; |
238 | ||
239 | space = last_char == '\0' || isblank(last_char); | |
240 | ||
241 | if (space && argc == 1) | |
242 | return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf); | |
243 | ||
244 | if (!space && argc == 2) | |
245 | return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf); | |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
250 | /*************************************************************************************/ | |
251 | ||
dea9a315 L |
252 | /* TODO: cmdtp points to FLASH */ |
253 | ||
d684c216 L |
254 | static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]) |
255 | { | |
256 | cmd_tbl_t *cmdtp = cmd_tbl; | |
257 | // const int count = ARRAY_SIZE(cmd_tbl); | |
258 | // const cmd_tbl_t *cmdend = cmdtp + count; | |
259 | // const char *p; | |
260 | int len, clen; | |
261 | int n_found = 0; | |
262 | const char *cmd; | |
263 | ||
264 | /* sanity? */ | |
265 | if (maxv < 2) | |
266 | return -2; | |
267 | ||
268 | cmdv[0] = NULL; | |
269 | ||
270 | if (argc == 0) { | |
271 | /* output full list of commands */ | |
272 | for (; cmdtp->name[0] != '\0'; cmdtp++) { | |
273 | if (n_found >= maxv - 2) { | |
274 | cmdv[n_found++] = "..."; | |
275 | break; | |
276 | } | |
277 | cmdv[n_found++] = cmdtp->name; | |
278 | } | |
279 | cmdv[n_found] = NULL; | |
280 | return n_found; | |
281 | } | |
282 | ||
283 | /* more than one arg or one but the start of the next */ | |
284 | if (argc > 1 || (last_char == '\0' || isblank(last_char))) { | |
6c851813 | 285 | cmdtp = find_cmd(argv[0], cmd_tbl); |
d684c216 L |
286 | if (cmdtp == NULL || cmdtp->complete == NULL) { |
287 | cmdv[0] = NULL; | |
288 | return 0; | |
289 | } | |
290 | return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv); | |
291 | } | |
292 | ||
293 | cmd = argv[0]; | |
294 | ||
295 | len = strlen(cmd); | |
296 | ||
297 | /* return the partial matches */ | |
298 | for (; cmdtp->name[0] != '\0'; cmdtp++) { | |
299 | ||
300 | clen = strlen(cmdtp->name); | |
301 | if (clen < len) | |
302 | continue; | |
303 | ||
304 | if (memcmp(cmd, cmdtp->name, len) != 0) | |
305 | continue; | |
306 | ||
307 | /* too many! */ | |
308 | if (n_found >= maxv - 2) { | |
309 | cmdv[n_found++] = "..."; | |
310 | break; | |
311 | } | |
312 | ||
313 | cmdv[n_found++] = cmdtp->name; | |
314 | } | |
315 | ||
316 | cmdv[n_found] = NULL; | |
317 | return n_found; | |
318 | } | |
319 | ||
320 | static int make_argv(char *s, int argvsz, char *argv[]) | |
321 | { | |
322 | int argc = 0; | |
323 | ||
324 | /* split into argv */ | |
325 | while (argc < argvsz - 1) { | |
326 | ||
327 | /* skip any white space */ | |
328 | while (isblank(*s)) | |
329 | ++s; | |
330 | ||
331 | if (*s == '\0') /* end of s, no more args */ | |
332 | break; | |
333 | ||
334 | argv[argc++] = s; /* begin of argument string */ | |
335 | ||
336 | /* find end of string */ | |
337 | while (*s && !isblank(*s)) | |
338 | ++s; | |
339 | ||
340 | if (*s == '\0') /* end of s, no more args */ | |
341 | break; | |
342 | ||
343 | *s++ = '\0'; /* terminate current arg */ | |
344 | } | |
345 | argv[argc] = NULL; | |
346 | ||
347 | return argc; | |
348 | } | |
349 | ||
350 | static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char * const argv[]) | |
351 | { | |
352 | int ll = leader != NULL ? strlen(leader) : 0; | |
353 | int sl = sep != NULL ? strlen(sep) : 0; | |
354 | int len, i; | |
355 | ||
356 | if (banner) { | |
357 | my_puts_P(PSTR("\n")); | |
358 | my_puts(banner); | |
359 | } | |
360 | ||
361 | i = linemax; /* force leader and newline */ | |
362 | while (*argv != NULL) { | |
363 | len = strlen(*argv) + sl; | |
364 | if (i + len >= linemax) { | |
365 | my_puts_P(PSTR("\n")); | |
366 | if (leader) | |
367 | my_puts(leader); | |
368 | i = ll - sl; | |
369 | } else if (sep) | |
370 | my_puts(sep); | |
371 | my_puts(*argv++); | |
372 | i += len; | |
373 | } | |
374 | my_puts_P(PSTR("\n")); | |
375 | } | |
376 | ||
377 | static int find_common_prefix(char * const argv[]) | |
378 | { | |
379 | int i, len; | |
380 | char *anchor, *s, *t; | |
381 | ||
382 | if (*argv == NULL) | |
383 | return 0; | |
384 | ||
385 | /* begin with max */ | |
386 | anchor = *argv++; | |
387 | len = strlen(anchor); | |
388 | while ((t = *argv++) != NULL) { | |
389 | s = anchor; | |
390 | for (i = 0; i < len; i++, t++, s++) { | |
391 | if (*t != *s) | |
392 | break; | |
393 | } | |
394 | len = s - anchor; | |
395 | } | |
396 | return len; | |
397 | } | |
398 | ||
399 | static char tmp_buf[CONFIG_SYS_CBSIZE]; /* copy of console I/O buffer */ | |
400 | ||
dea9a315 | 401 | |
d684c216 L |
402 | int cmd_auto_complete(const FLASH char *const prompt, char *buf, int *np, int *colp) |
403 | { | |
404 | int n = *np, col = *colp; | |
405 | char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ | |
406 | char *cmdv[20]; | |
407 | char *s, *t; | |
408 | const char *sep; | |
409 | int i, j, k, len, seplen, argc; | |
410 | int cnt; | |
411 | char last_char; | |
412 | ||
413 | if (strcmp_PP(prompt, CONFIG_SYS_PROMPT) != 0) | |
414 | return 0; /* not in normal console */ | |
415 | ||
416 | cnt = strlen(buf); | |
417 | if (cnt >= 1) | |
418 | last_char = buf[cnt - 1]; | |
419 | else | |
420 | last_char = '\0'; | |
421 | ||
422 | /* copy to secondary buffer which will be affected */ | |
423 | strcpy(tmp_buf, buf); | |
424 | ||
425 | /* separate into argv */ | |
426 | argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); | |
427 | ||
428 | /* do the completion and return the possible completions */ | |
429 | i = complete_cmdv(argc, argv, last_char, sizeof(cmdv)/sizeof(cmdv[0]), cmdv); | |
430 | ||
431 | /* no match; bell and out */ | |
432 | if (i == 0) { | |
433 | if (argc > 1) /* allow tab for non command */ | |
434 | return 0; | |
435 | putchar('\a'); | |
436 | return 1; | |
437 | } | |
438 | ||
439 | s = NULL; | |
440 | len = 0; | |
441 | sep = NULL; | |
442 | seplen = 0; | |
443 | if (i == 1) { /* one match; perfect */ | |
444 | k = strlen(argv[argc - 1]); | |
445 | s = cmdv[0] + k; | |
446 | len = strlen(s); | |
447 | sep = " "; | |
448 | seplen = 1; | |
449 | } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */ | |
450 | k = strlen(argv[argc - 1]); | |
451 | j -= k; | |
452 | if (j > 0) { | |
453 | s = cmdv[0] + k; | |
454 | len = j; | |
455 | } | |
456 | } | |
457 | ||
458 | if (s != NULL) { | |
459 | k = len + seplen; | |
460 | /* make sure it fits */ | |
461 | if (n + k >= CONFIG_SYS_CBSIZE - 2) { | |
462 | putchar('\a'); | |
463 | return 1; | |
464 | } | |
465 | ||
466 | t = buf + cnt; | |
467 | for (i = 0; i < len; i++) | |
468 | *t++ = *s++; | |
469 | if (sep != NULL) | |
470 | for (i = 0; i < seplen; i++) | |
471 | *t++ = sep[i]; | |
472 | *t = '\0'; | |
473 | n += k; | |
474 | col += k; | |
475 | my_puts(t - k); | |
476 | if (sep == NULL) | |
477 | putchar('\a'); | |
478 | *np = n; | |
479 | *colp = col; | |
480 | } else { | |
481 | print_argv(NULL, " ", " ", 78, cmdv); | |
482 | ||
483 | my_puts_P(prompt); | |
484 | my_puts(buf); | |
485 | } | |
486 | return 1; | |
487 | } | |
488 | ||
489 | #endif /* CONFIG_AUTO_COMPLETE */ | |
490 | ||
491 | ||
492 | ||
493 | /** | |
494 | * Call a command function. This should be the only route in U-Boot to call | |
495 | * a command, so that we can track whether we are waiting for input or | |
496 | * executing a command. | |
497 | * | |
498 | * @param cmdtp Pointer to the command to execute | |
499 | * @param flag Some flags normally 0 (see CMD_FLAG_.. above) | |
500 | * @param argc Number of arguments (arg 0 must be the command text) | |
501 | * @param argv Arguments | |
502 | * @return 0 if command succeeded, else non-zero (CMD_RET_...) | |
503 | */ | |
93ea25f2 | 504 | command_ret_t cmd_call(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
d684c216 | 505 | { |
d0581f88 | 506 | command_ret_t result; |
d684c216 L |
507 | |
508 | result = (cmdtp->cmd)(cmdtp, flag, argc, argv); | |
13e88ed5 L |
509 | // if (result != CMD_RET_SUCCESS) |
510 | // debug("Command failed, result=%d\n", result); | |
d684c216 L |
511 | return result; |
512 | } | |
513 | ||
228b1c5f L |
514 | #pragma GCC diagnostic ignored "-Wclobbered" |
515 | ||
93ea25f2 | 516 | command_ret_t cmd_process(uint_fast8_t flag, int argc, char * const argv[], |
d684c216 L |
517 | uint_fast8_t *repeatable) |
518 | { | |
d0581f88 | 519 | command_ret_t rc = CMD_RET_SUCCESS; |
d684c216 L |
520 | cmd_tbl_t *cmdtp; |
521 | ||
522 | /* Look up command in command table */ | |
6c851813 | 523 | cmdtp = find_cmd(argv[0], cmd_tbl); |
1c62c844 L |
524 | if (cmdtp != NULL) { |
525 | /* Check if this command has subcommands */ | |
526 | if (cmdtp->subcmd && argc > 1) { | |
527 | ||
528 | /* Look up subcommand in subcommand table */ | |
529 | cmd_tbl_t *cmdtpsub = find_cmd(argv[1], cmdtp->subcmd); | |
530 | if (cmdtpsub == NULL) { | |
531 | printf_P(PSTR("Unknown '%s' subcommand '%s' - try '%s help'\n"), argv[0], argv[1], argv[0]); | |
532 | return CMD_RET_FAILURE; | |
533 | } | |
534 | cmdtp = cmdtpsub; | |
535 | --argc; | |
536 | ++argv; | |
537 | } | |
538 | } else { | |
539 | /* Search subcommands */ | |
540 | cmdtp = find_cmd_sub(argv[0], cmd_tbl); | |
541 | } | |
542 | ||
d684c216 L |
543 | if (cmdtp == NULL) { |
544 | printf_P(PSTR("Unknown command '%s' - try 'help'\n"), argv[0]); | |
d0581f88 | 545 | return CMD_RET_FAILURE; |
d684c216 | 546 | } |
6c851813 | 547 | |
d684c216 L |
548 | /* found - check max args */ |
549 | if (argc > cmdtp->maxargs) | |
550 | rc = CMD_RET_USAGE; | |
551 | ||
552 | #if defined(CONFIG_CMD_BOOTD) | |
553 | /* avoid "bootd" recursion */ | |
554 | else if (cmdtp->cmd == do_bootd) { | |
555 | if (flag & CMD_FLAG_BOOTD) { | |
556 | my_puts_P(PSTR("'bootd' recursion detected\n")); | |
557 | rc = CMD_RET_FAILURE; | |
558 | } else { | |
559 | flag |= CMD_FLAG_BOOTD; | |
560 | } | |
561 | } | |
562 | #endif | |
563 | ||
fcd2239e L |
564 | if (setjmp(cmd_jbuf) != 0) |
565 | return CMD_RET_FAILURE; | |
566 | ||
d684c216 L |
567 | /* If OK so far, then do the command */ |
568 | if (!rc) { | |
569 | rc = cmd_call(cmdtp, flag, argc, argv); | |
93ea25f2 | 570 | *repeatable &= (cmdtp->flags & CTBL_REPEAT) != 0; |
d684c216 L |
571 | } |
572 | if (rc == CMD_RET_USAGE) | |
573 | rc = cmd_usage(cmdtp); | |
574 | return rc; | |
575 | } | |
576 | ||
577 | int cmd_process_error(cmd_tbl_t *cmdtp, int err) | |
578 | { | |
579 | char buf[strlen_P(cmdtp->name) + 1]; | |
580 | strcpy_P(buf, cmdtp->name); | |
581 | ||
582 | if (err) { | |
583 | printf_P(PSTR("Command '%s' failed: Error %d\n"), buf, err); | |
584 | return 1; | |
585 | } | |
586 | ||
587 | return 0; | |
588 | } |