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1 | /* | |
2 | * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include "common.h" | |
8 | #include <string.h> | |
9 | #include <stdlib.h> | |
10 | #include <avr/eeprom.h> | |
11 | ||
12 | #include "config.h" | |
13 | #include "debug.h" | |
14 | #include "xmalloc.h" | |
15 | #include "crc.h" | |
16 | #include "command.h" | |
17 | #include "env.h" | |
18 | ||
19 | ||
20 | #define ENV_SIZE (CONFIG_ENV_SIZE - sizeof(uint16_t) -1) | |
21 | #define ACTIVE_FLAG 1 | |
22 | #define OBSOLETE_FLAG 0 | |
23 | ||
24 | #define ENVLIST_DELETE (1<<0) | |
25 | ||
26 | ||
27 | /* | |
28 | * Default Environment | |
29 | */ | |
30 | ||
31 | #define DELIM "\0" | |
32 | ||
33 | const FLASH char default_env[] = { | |
34 | "bootdelay=" "3" DELIM | |
35 | "bootcmd=" "reset; loadf; go ${startaddr}" DELIM | |
36 | "baudrate=" "115200" DELIM | |
37 | "startaddr=" "0" DELIM | |
38 | DELIM | |
39 | }; | |
40 | ||
41 | /* EEPROM storage */ | |
42 | typedef struct environment_s { | |
43 | uint16_t crc; /* CRC16 over data bytes */ | |
44 | uint8_t flags; /* active/obsolete flags */ | |
45 | char data[ENV_SIZE]; /* Environment data */ | |
46 | } env_t; | |
47 | ||
48 | ||
49 | /* */ | |
50 | typedef struct env_item_s { | |
51 | char * envvar; | |
52 | } env_item_t; | |
53 | ||
54 | ||
55 | static uint8_t env_valid; | |
56 | static env_item_t env_list[CONFIG_ENVVAR_MAX]; | |
57 | static int entrycount; | |
58 | ||
59 | ||
60 | static | |
61 | char env_get_char(uint16_t index) | |
62 | { | |
63 | unsigned int off = CONFIG_ENV_OFFSET; | |
64 | char ret; | |
65 | ||
66 | switch (env_valid) { | |
67 | case 2: | |
68 | off += CONFIG_ENV_SIZE; | |
69 | case 1: | |
70 | ret = (char) eeprom_read_byte((const uint8_t *)off + index + | |
71 | offsetof(env_t, data)); | |
72 | break; | |
73 | ||
74 | default: | |
75 | ret = default_env[index]; | |
76 | } | |
77 | ||
78 | return ret; | |
79 | } | |
80 | ||
81 | ||
82 | static const FLASH char *comp_key; | |
83 | ||
84 | static | |
85 | int comp_env_items(const void *m1, const void *m2) | |
86 | { | |
87 | env_item_t *ep1 = (env_item_t *) m1; | |
88 | env_item_t *ep2 = (env_item_t *) m2; | |
89 | ||
90 | if (ep1 == NULL) | |
91 | return - strcmp_P(ep2->envvar, comp_key); | |
92 | else | |
93 | return strcmp(ep1->envvar, ep2->envvar); | |
94 | } | |
95 | ||
96 | ||
97 | env_item_t *envlist_search(const MEMX char *name) | |
98 | { | |
99 | #ifdef __MEMX | |
100 | if (__builtin_avr_flash_segment(name) != -1) { | |
101 | comp_key = name; | |
102 | return bsearch(0, env_list, entrycount, | |
103 | sizeof(env_item_t), comp_env_items); | |
104 | } else { | |
105 | ||
106 | env_item_t e; | |
107 | e.envvar = (char *) name; | |
108 | ||
109 | return bsearch(&e, env_list, entrycount, | |
110 | sizeof(env_item_t), comp_env_items); | |
111 | } | |
112 | #else | |
113 | env_item_t e; | |
114 | e.envvar = (char *) name; | |
115 | ||
116 | return bsearch(&e, env_list, entrycount, | |
117 | sizeof(env_item_t), comp_env_items); | |
118 | #endif /* __MEMX */ | |
119 | } | |
120 | ||
121 | ||
122 | static | |
123 | env_item_t *envlist_enter(env_item_t *e) | |
124 | { | |
125 | const size_t size = sizeof(env_item_t); | |
126 | env_item_t *ep; | |
127 | ||
128 | ep = bsearch(e, env_list, entrycount, | |
129 | size, comp_env_items); | |
130 | ||
131 | if (ep == NULL) { | |
132 | if (entrycount < CONFIG_ENVVAR_MAX) { | |
133 | ||
134 | env_list[entrycount++] = *e; | |
135 | qsort(env_list, entrycount, size, comp_env_items); | |
136 | ep = bsearch(e, env_list, entrycount, | |
137 | size, comp_env_items); | |
138 | } | |
139 | } else { | |
140 | free(ep->envvar); | |
141 | ep->envvar = e->envvar; | |
142 | } | |
143 | ||
144 | return ep; | |
145 | } | |
146 | ||
147 | ||
148 | static | |
149 | int env_item_delete(env_item_t *ep) | |
150 | { | |
151 | if (entrycount == 0) | |
152 | return -1; | |
153 | ||
154 | free(ep->envvar); | |
155 | ||
156 | entrycount--; | |
157 | size_t size = sizeof(env_item_t); | |
158 | memmove(ep, ep + 1, (env_list - ep)*size + entrycount*size); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | static | |
164 | int envlist_delete(const MEMX char *name) | |
165 | { | |
166 | env_item_t *ep = envlist_search(name); | |
167 | ||
168 | if (ep != NULL) | |
169 | return env_item_delete(ep); | |
170 | ||
171 | return 1; | |
172 | } | |
173 | ||
174 | ||
175 | ||
176 | static | |
177 | int envlist_import(uint8_t flags) | |
178 | { | |
179 | uint16_t index; | |
180 | ||
181 | int len; | |
182 | env_item_t e; | |
183 | char *np, c; | |
184 | uint_fast8_t ef; | |
185 | ||
186 | if ((flags & ENVLIST_DELETE) != 0) | |
187 | while (entrycount != 0) | |
188 | env_item_delete(&env_list[entrycount-1]); | |
189 | ||
190 | for (index = 0; env_get_char(index) != '\0'; ) { | |
191 | for (len = 0; env_get_char(index + len) != '\0'; ++len) { | |
192 | if ((index + len) >= ENV_SIZE) | |
193 | return -1; | |
194 | } | |
195 | ||
196 | np = (char *) xmalloc(len+1); | |
197 | if (np == NULL) { | |
198 | printf_P(PSTR("## Can't malloc %d bytes\n"), len+1); | |
199 | return 1; | |
200 | } | |
201 | e.envvar = np; | |
202 | ef = 0; | |
203 | while ((c = env_get_char(index++)) != '\0') { | |
204 | if (!ef && (c == '=')) { | |
205 | *np = '\0'; | |
206 | ef = 1; | |
207 | } else | |
208 | *np = c; | |
209 | np++; | |
210 | } | |
211 | *np = '\0'; | |
212 | envlist_enter(&e); | |
213 | } | |
214 | ||
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | ||
220 | static | |
221 | uint16_t env_crc(uint16_t data_offset) | |
222 | { | |
223 | uint16_t crc; | |
224 | uint16_t i; | |
225 | char c, c0; | |
226 | ||
227 | crc = 0xffff; | |
228 | c = 0xff; | |
229 | for (i = 0; !(c == 0 && c0 == 0) && i < ENV_SIZE; i++) | |
230 | { | |
231 | c0 = c; | |
232 | c = eeprom_read_byte((const uint8_t *) data_offset + i); | |
233 | crc = crc16(crc, c); | |
234 | } | |
235 | return crc ; | |
236 | } | |
237 | ||
238 | ||
239 | /** | |
240 | * return valid env | |
241 | */ | |
242 | static | |
243 | int env_check_valid(void) | |
244 | { | |
245 | const uint16_t offset[2] = {CONFIG_ENV_OFFSET, | |
246 | CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE}; | |
247 | uint_fast8_t flags[2], crc_ok[2]; | |
248 | int rc; | |
249 | ||
250 | /* read FLAGS */ | |
251 | flags[0] = eeprom_read_byte ((uint8_t *) offset[0] + | |
252 | offsetof(env_t, flags)); | |
253 | flags[1] = eeprom_read_byte ((uint8_t *) offset[1] + | |
254 | offsetof(env_t, flags)); | |
255 | ||
256 | /* check CRC */ | |
257 | crc_ok[0] = ( | |
258 | eeprom_read_word((uint16_t *) offset[0] + | |
259 | offsetof(env_t, crc)) | |
260 | == env_crc(offset[0] + offsetof(env_t, data)) | |
261 | ); | |
262 | crc_ok[1] = ( | |
263 | eeprom_read_word((uint16_t *) offset[1] + | |
264 | offsetof(env_t, crc)) | |
265 | == env_crc(offset[1] + offsetof(env_t, data)) | |
266 | ); | |
267 | ||
268 | if (!crc_ok[0] && !crc_ok[1]) { | |
269 | rc = 0; | |
270 | ||
271 | } else if (crc_ok[0] && !crc_ok[1]) { | |
272 | rc = 1; | |
273 | } else if (!crc_ok[0] && crc_ok[1]) { | |
274 | rc = 2; | |
275 | } else { | |
276 | /* both ok - check serial */ | |
277 | #if 1 | |
278 | if (flags[1] == ACTIVE_FLAG && flags[0] != ACTIVE_FLAG) | |
279 | rc = 2; | |
280 | else if (flags[1] == OBSOLETE_FLAG && flags[0] == 0xFF) | |
281 | rc = 2; | |
282 | else | |
283 | rc = 1; | |
284 | #else | |
285 | if (flags[0] == ACTIVE_FLAG && flags[1] == OBSOLETE_FLAG) | |
286 | rc = 1; | |
287 | else if (flags[0] == OBSOLETE_FLAG && flags[1] == ACTIVE_FLAG) | |
288 | rc = 2; | |
289 | else if (flags[0] == 0xFF && flags[1] == 0) | |
290 | rc = 2; | |
291 | else if (flags[1] == 0xFF && flags[0] == 0) | |
292 | rc = 1; | |
293 | else /* flags are equal - almost impossible */ | |
294 | rc = 1; | |
295 | #endif | |
296 | } | |
297 | ||
298 | return rc; | |
299 | } | |
300 | ||
301 | ||
302 | int env_init(void) | |
303 | { | |
304 | env_valid = env_check_valid(); | |
305 | if (env_valid == 0) { | |
306 | printf_P(PSTR("*** Warning - bad CRC, " | |
307 | "using default environment\n\n")); | |
308 | } | |
309 | ||
310 | envlist_import(ENVLIST_DELETE); | |
311 | return 0; | |
312 | } | |
313 | ||
314 | ||
315 | char *getenv(const MEMX char *name) | |
316 | { | |
317 | env_item_t *ep; | |
318 | char *ret = NULL; | |
319 | ||
320 | ep = envlist_search(name); | |
321 | if (ep != NULL) | |
322 | ret = ep->envvar + strlen(ep->envvar) +1; | |
323 | return ret; | |
324 | } | |
325 | ||
326 | static | |
327 | int env_item_save(env_item_t *ep, uint16_t offset, int space_left) | |
328 | { | |
329 | int nlen, vlen; | |
330 | char *var = ep->envvar; | |
331 | ||
332 | nlen = strlen(var); | |
333 | if (nlen == 0) | |
334 | return 0; | |
335 | vlen = strlen(var + nlen + 1); | |
336 | if (vlen == 0) | |
337 | return 0; | |
338 | if (nlen + vlen + 2 > space_left) | |
339 | return 0; | |
340 | ||
341 | eeprom_update_block(var, (uint8_t *) offset, nlen); | |
342 | offset += nlen; | |
343 | eeprom_update_byte((uint8_t *) offset++, '='); | |
344 | eeprom_update_block(var + nlen +1, (uint8_t *) offset, vlen+1); | |
345 | ||
346 | return nlen + vlen + 2; | |
347 | } | |
348 | ||
349 | ||
350 | static | |
351 | int saveenv(void) | |
352 | { | |
353 | unsigned int off = CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE; | |
354 | unsigned int off_red = CONFIG_ENV_OFFSET; | |
355 | unsigned int pos; | |
356 | int len, left; | |
357 | uint16_t crc; | |
358 | int rc = 0; | |
359 | ||
360 | if (env_valid == 2) { | |
361 | off = CONFIG_ENV_OFFSET; | |
362 | off_red = CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE; | |
363 | } | |
364 | ||
365 | eeprom_update_byte((uint8_t *) off + offsetof(env_t, flags), 0xff); | |
366 | ||
367 | pos = off + offsetof(env_t, data); | |
368 | left = ENV_SIZE - 1; | |
369 | for (int i = 0 ; i < entrycount; i++) { | |
370 | len = env_item_save(&env_list[i], pos, left); | |
371 | if (len == 0) { | |
372 | return 1; | |
373 | } | |
374 | pos += len; | |
375 | left -= len; | |
376 | } | |
377 | /* terminate list */ | |
378 | eeprom_update_byte((uint8_t *) pos, 0); | |
379 | crc = env_crc(off + offsetof(env_t, data)); | |
380 | eeprom_update_word((uint16_t *) off + offsetof(env_t, crc), crc); | |
381 | eeprom_update_byte((uint8_t *) off + offsetof(env_t, flags), | |
382 | ACTIVE_FLAG); | |
383 | ||
384 | if (rc == 0) { | |
385 | eeprom_update_byte((uint8_t *) off_red + offsetof(env_t, flags), | |
386 | OBSOLETE_FLAG); | |
387 | env_valid = (env_valid == 2) ? 1 : 2; | |
388 | } | |
389 | ||
390 | return rc; | |
391 | } | |
392 | ||
393 | ||
394 | static | |
395 | int env_item_print(env_item_t *ep) | |
396 | { | |
397 | int len; | |
398 | char *ev = ep->envvar; | |
399 | ||
400 | len = printf_P(PSTR("%s="), ev); | |
401 | len += printf_P(PSTR("%s\n"), ev + len); | |
402 | ||
403 | return len; | |
404 | } | |
405 | ||
406 | ||
407 | /* | |
408 | * Command interface: print one or all environment variables | |
409 | * | |
410 | * Returns -1 in case of error, or length of printed string | |
411 | */ | |
412 | static | |
413 | int env_print(const MEMX char *name) | |
414 | { | |
415 | int len = -1; | |
416 | ||
417 | if (name) { /* print a single name */ | |
418 | ||
419 | env_item_t *ep = envlist_search(name); | |
420 | if (ep != NULL) | |
421 | len = env_item_print(ep); | |
422 | ||
423 | } else { /* print whole list */ | |
424 | len = 0; | |
425 | for (int i = 0 ; i < entrycount; i++) { | |
426 | len += env_item_print(&env_list[i]); | |
427 | } | |
428 | } | |
429 | return len; | |
430 | } | |
431 | ||
432 | ||
433 | /** | |
434 | * Set or delete environment variable | |
435 | * | |
436 | * Set a new environment variable, | |
437 | * or replace or delete an existing one. | |
438 | * | |
439 | * @param flag (not used) | |
440 | * @param argc | |
441 | * @param argv[1] Environment variable to set or delete | |
442 | * if no more args | |
443 | * @param argv[2] ... Value to set it to | |
444 | * | |
445 | * @return 0 if ok, 1 on error | |
446 | */ | |
447 | static | |
448 | command_ret_t _do_env_set(int flag, int argc, char * const argv[]) | |
449 | { | |
450 | int i, len; | |
451 | char *name, *value, *valp, *p; | |
452 | env_item_t e, *ep; | |
453 | ||
454 | (void) flag; | |
455 | debug("Initial value for argc=%d\n", argc); | |
456 | ||
457 | name = argv[1]; | |
458 | value = argv[2]; | |
459 | ||
460 | if (strchr(name, '=')) { | |
461 | printf_P(PSTR("## Error: illegal character '='" | |
462 | "in variable name \"%s\"\n"), name); | |
463 | return CMD_RET_FAILURE; | |
464 | } | |
465 | len = strlen(name); | |
466 | if (len > CONFIG_SYS_ENV_NAMELEN) { | |
467 | printf_P(PSTR("## Error: Variable name \"%s\" too long. " | |
468 | "(max %d characters)\n"), name, CONFIG_SYS_ENV_NAMELEN); | |
469 | return CMD_RET_FAILURE; | |
470 | } | |
471 | /* | |
472 | env_id++; | |
473 | */ | |
474 | /* Delete only ? */ | |
475 | if (argc < 3 || argv[2] == NULL) { | |
476 | int rc = envlist_delete(name); | |
477 | return rc ? CMD_RET_FAILURE : CMD_RET_SUCCESS; | |
478 | } | |
479 | ||
480 | /* | |
481 | * Insert / replace new value | |
482 | */ | |
483 | for (i = 2, len += 1; i < argc; ++i) | |
484 | len += strlen(argv[i]) + 1; | |
485 | ||
486 | value = xmalloc(len); | |
487 | if (value == NULL) { | |
488 | printf_P(PSTR("## Can't malloc %d bytes\n"), len); | |
489 | return CMD_RET_FAILURE; | |
490 | } | |
491 | strcpy(value, name); | |
492 | valp = value + strlen(name) + 1; | |
493 | for (i = 2, p = valp; i < argc; ++i) { | |
494 | char *v = argv[i]; | |
495 | ||
496 | while ((*p++ = *v++) != '\0') | |
497 | ; | |
498 | *(p - 1) = ' '; | |
499 | } | |
500 | if (p != valp) | |
501 | *--p = '\0'; | |
502 | ||
503 | e.envvar = value; | |
504 | ep = envlist_enter(&e); | |
505 | if (!ep) { | |
506 | printf_P(PSTR("## Error inserting \"%s\" variable.\n"), | |
507 | name); | |
508 | return CMD_RET_FAILURE; | |
509 | } | |
510 | ||
511 | return CMD_RET_SUCCESS; | |
512 | } | |
513 | ||
514 | /** | |
515 | * Set an environment variable | |
516 | * | |
517 | * @param varname Environment variable to set | |
518 | * @param varvalue Value to set it to | |
519 | * @return 0 if ok, 1 on error | |
520 | */ | |
521 | static | |
522 | int setenv(const char *varname, const char *varvalue) | |
523 | { | |
524 | const char * const argv[3] = { NULL, varname, varvalue }; | |
525 | int argc = 3; | |
526 | ||
527 | if (varvalue == NULL || varvalue[0] == '\0') | |
528 | --argc; | |
529 | ||
530 | return (int) _do_env_set(0, argc, (char * const *)argv); | |
531 | } | |
532 | ||
533 | /** | |
534 | * Set an environment variable to an integer value | |
535 | * | |
536 | * @param name Environment variable to set | |
537 | * @param value Value to set it to | |
538 | * @param radix Base | |
539 | * @return 0 if ok, 1 on error | |
540 | */ | |
541 | static | |
542 | int setenv_intval(const MEMX char *name, unsigned long value, int radix) | |
543 | { | |
544 | char buf[11]; | |
545 | ||
546 | ultoa(value, buf, radix); | |
547 | ||
548 | return setenv(name, buf); | |
549 | } | |
550 | ||
551 | /** | |
552 | * Set an environment variable to a decimal integer value | |
553 | * | |
554 | * @param name Environment variable to set | |
555 | * @param value Value to set it to | |
556 | * @return 0 if ok, 1 on error | |
557 | */ | |
558 | int setenv_ulong(const MEMX char *name, unsigned long value) | |
559 | { | |
560 | return setenv_intval(name, value, 10); | |
561 | } | |
562 | ||
563 | ||
564 | /** | |
565 | * Set an environment variable to a value in hex | |
566 | * | |
567 | * @param name Environment variable to set | |
568 | * @param value Value to set it to | |
569 | * @return 0 if ok, 1 on error | |
570 | */ | |
571 | int setenv_hex(const MEMX char *name, unsigned long value) | |
572 | { | |
573 | return setenv_intval(name, value, 16); | |
574 | } | |
575 | ||
576 | ||
577 | /** | |
578 | * Decode the integer value of an environment variable and return it. | |
579 | * | |
580 | * @param name Name of environemnt variable | |
581 | * @param base Number base to use (normally 10, or 16 for hex) | |
582 | * @param default_val Default value to return if the variable is not | |
583 | * found | |
584 | * @return the decoded value, or default_val if not found | |
585 | */ | |
586 | unsigned long getenv_ulong(const MEMX char *name, int base, unsigned long default_val) | |
587 | { | |
588 | unsigned long value; | |
589 | char *vp, *endp; | |
590 | ||
591 | env_item_t *ep = envlist_search(name); | |
592 | ||
593 | if (ep != NULL ) { | |
594 | vp = ep->envvar + strlen(ep->envvar) +1; | |
595 | value = strtoul(vp, &endp, base); | |
596 | if (endp != vp) | |
597 | return value; | |
598 | } | |
599 | ||
600 | return default_val; | |
601 | } | |
602 | ||
603 | ||
604 | command_ret_t do_env_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
605 | { | |
606 | command_ret_t rc = CMD_RET_SUCCESS; | |
607 | ||
608 | (void) cmdtp; (void) flag; | |
609 | ||
610 | if (argc == 1) { | |
611 | /* print all env vars */ | |
612 | int size = env_print(NULL); | |
613 | if (size < 0) | |
614 | return CMD_RET_FAILURE; | |
615 | printf_P(PSTR("\nEnvironment size: %d/%d bytes\n"), | |
616 | size, ENV_SIZE); | |
617 | return CMD_RET_SUCCESS; | |
618 | } | |
619 | ||
620 | /* print selected env vars */ | |
621 | for (int i = 1; i < argc; ++i) { | |
622 | int rc = env_print(argv[i]); | |
623 | if (rc < 0) { | |
624 | printf_P(PSTR("## Error: \"%s\" not defined\n"), argv[i]); | |
625 | rc = CMD_RET_FAILURE; | |
626 | } | |
627 | } | |
628 | ||
629 | return rc; | |
630 | } | |
631 | ||
632 | ||
633 | command_ret_t do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
634 | { | |
635 | (void) cmdtp; | |
636 | ||
637 | if (argc < 2) | |
638 | return CMD_RET_USAGE; | |
639 | ||
640 | return _do_env_set(flag, argc, argv); | |
641 | } | |
642 | ||
643 | ||
644 | command_ret_t do_env_default(cmd_tbl_t *cmdtp, int flag, | |
645 | int argc, char * const argv[]) | |
646 | { | |
647 | (void) cmdtp; (void) flag; (void) argc; (void) argv; | |
648 | ||
649 | uint8_t tmp = env_valid; | |
650 | env_valid = 0; | |
651 | ||
652 | /* Reset the whole environment */ | |
653 | printf_P(PSTR("## Resetting to default environment\n")); | |
654 | envlist_import(ENVLIST_DELETE); | |
655 | ||
656 | env_valid = tmp; | |
657 | ||
658 | return CMD_RET_SUCCESS; | |
659 | } | |
660 | ||
661 | ||
662 | command_ret_t do_env_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
663 | { | |
664 | (void) cmdtp; (void) flag; (void) argc; (void) argv; | |
665 | ||
666 | printf_P(PSTR("Saving Environment ...\n")); | |
667 | return saveenv() ? CMD_RET_FAILURE : CMD_RET_SUCCESS; | |
668 | } | |
669 | ||
670 | ||
671 | #if defined(CONFIG_AUTO_COMPLETE) | |
672 | int env_complete(char *var, int maxv, char *cmdv[], int bufsz, char *buf) | |
673 | { | |
674 | ENTRY *match; | |
675 | int found, idx; | |
676 | ||
677 | idx = 0; | |
678 | found = 0; | |
679 | cmdv[0] = NULL; | |
680 | ||
681 | while ((idx = hmatch_r(var, idx, &match, &env_htab))) { | |
682 | int vallen = strlen(match->key) + 1; | |
683 | ||
684 | if (found >= maxv - 2 || bufsz < vallen) | |
685 | break; | |
686 | ||
687 | cmdv[found++] = buf; | |
688 | memcpy(buf, match->key, vallen); | |
689 | buf += vallen; | |
690 | bufsz -= vallen; | |
691 | } | |
692 | ||
693 | qsort(cmdv, found, sizeof(cmdv[0]), strcmp_compar); | |
694 | ||
695 | if (idx) | |
696 | cmdv[found++] = "..."; | |
697 | ||
698 | cmdv[found] = NULL; | |
699 | return found; | |
700 | } | |
701 | #endif |