1 /*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
4 */
5
6 #include <locale.h>
7 #include <ctype.h>
8 #include <limits.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <time.h>
13 #include <unistd.h>
14 #include <getopt.h>
15 #include <sys/stat.h>
16 #include <sys/time.h>
17 #include <errno.h>
18
19 #include "lkc.h"
20
21 static void conf(struct menu *menu);
22 static void check_conf(struct menu *menu);
23 static void xfgets(char *str, int size, FILE *in);
24
25 enum input_mode {
26 oldaskconfig,
27 silentoldconfig,
28 oldconfig,
29 allnoconfig,
30 allyesconfig,
31 allmodconfig,
32 alldefconfig,
33 randconfig,
34 defconfig,
35 savedefconfig,
36 listnewconfig,
37 olddefconfig,
38 } input_mode = oldaskconfig;
39
40 static int indent = 1;
41 static int tty_stdio;
42 static int valid_stdin = 1;
43 static int sync_kconfig;
44 static int conf_cnt;
45 static char line[PATH_MAX];
46 static struct menu *rootEntry;
47
print_help(struct menu * menu)48 static void print_help(struct menu *menu)
49 {
50 struct gstr help = str_new();
51
52 menu_get_ext_help(menu, &help);
53
54 printf("\n%s\n", str_get(&help));
55 str_free(&help);
56 }
57
strip(char * str)58 static void strip(char *str)
59 {
60 char *p = str;
61 int l;
62
63 while ((isspace(*p)))
64 p++;
65 l = strlen(p);
66 if (p != str)
67 memmove(str, p, l + 1);
68 if (!l)
69 return;
70 p = str + l - 1;
71 while ((isspace(*p)))
72 *p-- = 0;
73 }
74
check_stdin(void)75 static void check_stdin(void)
76 {
77 if (!valid_stdin) {
78 printf(_("aborted!\n\n"));
79 printf(_("Console input/output is redirected. "));
80 printf(_("Run 'make oldconfig' to update configuration.\n\n"));
81 exit(1);
82 }
83 }
84
conf_askvalue(struct symbol * sym,const char * def)85 static int conf_askvalue(struct symbol *sym, const char *def)
86 {
87 enum symbol_type type = sym_get_type(sym);
88
89 if (!sym_has_value(sym))
90 printf(_("(NEW) "));
91
92 line[0] = '\n';
93 line[1] = 0;
94
95 if (!sym_is_changable(sym)) {
96 printf("%s\n", def);
97 line[0] = '\n';
98 line[1] = 0;
99 return 0;
100 }
101
102 switch (input_mode) {
103 case oldconfig:
104 case silentoldconfig:
105 if (sym_has_value(sym)) {
106 printf("%s\n", def);
107 return 0;
108 }
109 check_stdin();
110 /* fall through */
111 case oldaskconfig:
112 fflush(stdout);
113 xfgets(line, sizeof(line), stdin);
114 if (!tty_stdio)
115 printf("\n");
116 return 1;
117 default:
118 break;
119 }
120
121 switch (type) {
122 case S_INT:
123 case S_HEX:
124 case S_STRING:
125 printf("%s\n", def);
126 return 1;
127 default:
128 ;
129 }
130 printf("%s", line);
131 return 1;
132 }
133
conf_string(struct menu * menu)134 static int conf_string(struct menu *menu)
135 {
136 struct symbol *sym = menu->sym;
137 const char *def;
138
139 while (1) {
140 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
141 printf("(%s) ", sym->name);
142 def = sym_get_string_value(sym);
143 if (sym_get_string_value(sym))
144 printf("[%s] ", def);
145 if (!conf_askvalue(sym, def))
146 return 0;
147 switch (line[0]) {
148 case '\n':
149 break;
150 case '?':
151 /* print help */
152 if (line[1] == '\n') {
153 print_help(menu);
154 def = NULL;
155 break;
156 }
157 /* fall through */
158 default:
159 line[strlen(line)-1] = 0;
160 def = line;
161 }
162 if (def && sym_set_string_value(sym, def))
163 return 0;
164 }
165 }
166
conf_sym(struct menu * menu)167 static int conf_sym(struct menu *menu)
168 {
169 struct symbol *sym = menu->sym;
170 tristate oldval, newval;
171
172 while (1) {
173 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
174 if (sym->name)
175 printf("(%s) ", sym->name);
176 putchar('[');
177 oldval = sym_get_tristate_value(sym);
178 switch (oldval) {
179 case no:
180 putchar('N');
181 break;
182 case mod:
183 putchar('M');
184 break;
185 case yes:
186 putchar('Y');
187 break;
188 }
189 if (oldval != no && sym_tristate_within_range(sym, no))
190 printf("/n");
191 if (oldval != mod && sym_tristate_within_range(sym, mod))
192 printf("/m");
193 if (oldval != yes && sym_tristate_within_range(sym, yes))
194 printf("/y");
195 if (menu_has_help(menu))
196 printf("/?");
197 printf("] ");
198 if (!conf_askvalue(sym, sym_get_string_value(sym)))
199 return 0;
200 strip(line);
201
202 switch (line[0]) {
203 case 'n':
204 case 'N':
205 newval = no;
206 if (!line[1] || !strcmp(&line[1], "o"))
207 break;
208 continue;
209 case 'm':
210 case 'M':
211 newval = mod;
212 if (!line[1])
213 break;
214 continue;
215 case 'y':
216 case 'Y':
217 newval = yes;
218 if (!line[1] || !strcmp(&line[1], "es"))
219 break;
220 continue;
221 case 0:
222 newval = oldval;
223 break;
224 case '?':
225 goto help;
226 default:
227 continue;
228 }
229 if (sym_set_tristate_value(sym, newval))
230 return 0;
231 help:
232 print_help(menu);
233 }
234 }
235
conf_choice(struct menu * menu)236 static int conf_choice(struct menu *menu)
237 {
238 struct symbol *sym, *def_sym;
239 struct menu *child;
240 bool is_new;
241
242 sym = menu->sym;
243 is_new = !sym_has_value(sym);
244 if (sym_is_changable(sym)) {
245 conf_sym(menu);
246 sym_calc_value(sym);
247 switch (sym_get_tristate_value(sym)) {
248 case no:
249 return 1;
250 case mod:
251 return 0;
252 case yes:
253 break;
254 }
255 } else {
256 switch (sym_get_tristate_value(sym)) {
257 case no:
258 return 1;
259 case mod:
260 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
261 return 0;
262 case yes:
263 break;
264 }
265 }
266
267 while (1) {
268 int cnt, def;
269
270 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
271 def_sym = sym_get_choice_value(sym);
272 cnt = def = 0;
273 line[0] = 0;
274 for (child = menu->list; child; child = child->next) {
275 if (!menu_is_visible(child))
276 continue;
277 if (!child->sym) {
278 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
279 continue;
280 }
281 cnt++;
282 if (child->sym == def_sym) {
283 def = cnt;
284 printf("%*c", indent, '>');
285 } else
286 printf("%*c", indent, ' ');
287 printf(" %d. %s", cnt, _(menu_get_prompt(child)));
288 if (child->sym->name)
289 printf(" (%s)", child->sym->name);
290 if (!sym_has_value(child->sym))
291 printf(_(" (NEW)"));
292 printf("\n");
293 }
294 printf(_("%*schoice"), indent - 1, "");
295 if (cnt == 1) {
296 printf("[1]: 1\n");
297 goto conf_childs;
298 }
299 printf("[1-%d", cnt);
300 if (menu_has_help(menu))
301 printf("?");
302 printf("]: ");
303 switch (input_mode) {
304 case oldconfig:
305 case silentoldconfig:
306 if (!is_new) {
307 cnt = def;
308 printf("%d\n", cnt);
309 break;
310 }
311 check_stdin();
312 /* fall through */
313 case oldaskconfig:
314 fflush(stdout);
315 xfgets(line, sizeof(line), stdin);
316 strip(line);
317 if (line[0] == '?') {
318 print_help(menu);
319 continue;
320 }
321 if (!line[0])
322 cnt = def;
323 else if (isdigit(line[0]))
324 cnt = atoi(line);
325 else
326 continue;
327 break;
328 default:
329 break;
330 }
331
332 conf_childs:
333 for (child = menu->list; child; child = child->next) {
334 if (!child->sym || !menu_is_visible(child))
335 continue;
336 if (!--cnt)
337 break;
338 }
339 if (!child)
340 continue;
341 if (line[0] && line[strlen(line) - 1] == '?') {
342 print_help(child);
343 continue;
344 }
345 sym_set_choice_value(sym, child->sym);
346 for (child = child->list; child; child = child->next) {
347 indent += 2;
348 conf(child);
349 indent -= 2;
350 }
351 return 1;
352 }
353 }
354
conf(struct menu * menu)355 static void conf(struct menu *menu)
356 {
357 struct symbol *sym;
358 struct property *prop;
359 struct menu *child;
360
361 if (!menu_is_visible(menu))
362 return;
363
364 sym = menu->sym;
365 prop = menu->prompt;
366 if (prop) {
367 const char *prompt;
368
369 switch (prop->type) {
370 case P_MENU:
371 if ((input_mode == silentoldconfig ||
372 input_mode == listnewconfig ||
373 input_mode == olddefconfig) &&
374 rootEntry != menu) {
375 check_conf(menu);
376 return;
377 }
378 /* fall through */
379 case P_COMMENT:
380 prompt = menu_get_prompt(menu);
381 if (prompt)
382 printf("%*c\n%*c %s\n%*c\n",
383 indent, '*',
384 indent, '*', _(prompt),
385 indent, '*');
386 default:
387 ;
388 }
389 }
390
391 if (!sym)
392 goto conf_childs;
393
394 if (sym_is_choice(sym)) {
395 conf_choice(menu);
396 if (sym->curr.tri != mod)
397 return;
398 goto conf_childs;
399 }
400
401 switch (sym->type) {
402 case S_INT:
403 case S_HEX:
404 case S_STRING:
405 conf_string(menu);
406 break;
407 default:
408 conf_sym(menu);
409 break;
410 }
411
412 conf_childs:
413 if (sym)
414 indent += 2;
415 for (child = menu->list; child; child = child->next)
416 conf(child);
417 if (sym)
418 indent -= 2;
419 }
420
check_conf(struct menu * menu)421 static void check_conf(struct menu *menu)
422 {
423 struct symbol *sym;
424 struct menu *child;
425
426 if (!menu_is_visible(menu))
427 return;
428
429 sym = menu->sym;
430 if (sym && !sym_has_value(sym)) {
431 if (sym_is_changable(sym) ||
432 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
433 if (input_mode == listnewconfig) {
434 if (sym->name && !sym_is_choice_value(sym)) {
435 printf("%s%s\n", CONFIG_, sym->name);
436 }
437 } else if (input_mode != olddefconfig) {
438 if (!conf_cnt++)
439 printf(_("*\n* Restart config...\n*\n"));
440 rootEntry = menu_get_parent_menu(menu);
441 conf(rootEntry);
442 }
443 }
444 }
445
446 for (child = menu->list; child; child = child->next)
447 check_conf(child);
448 }
449
450 static struct option long_opts[] = {
451 {"oldaskconfig", no_argument, NULL, oldaskconfig},
452 {"oldconfig", no_argument, NULL, oldconfig},
453 {"silentoldconfig", no_argument, NULL, silentoldconfig},
454 {"defconfig", optional_argument, NULL, defconfig},
455 {"savedefconfig", required_argument, NULL, savedefconfig},
456 {"allnoconfig", no_argument, NULL, allnoconfig},
457 {"allyesconfig", no_argument, NULL, allyesconfig},
458 {"allmodconfig", no_argument, NULL, allmodconfig},
459 {"alldefconfig", no_argument, NULL, alldefconfig},
460 {"randconfig", no_argument, NULL, randconfig},
461 {"listnewconfig", no_argument, NULL, listnewconfig},
462 {"olddefconfig", no_argument, NULL, olddefconfig},
463 /*
464 * oldnoconfig is an alias of olddefconfig, because people already
465 * are dependent on its behavior(sets new symbols to their default
466 * value but not 'n') with the counter-intuitive name.
467 */
468 {"oldnoconfig", no_argument, NULL, olddefconfig},
469 {NULL, 0, NULL, 0}
470 };
471
conf_usage(const char * progname)472 static void conf_usage(const char *progname)
473 {
474
475 printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
476 printf("[option] is _one_ of the following:\n");
477 printf(" --listnewconfig List new options\n");
478 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
479 printf(" --oldconfig Update a configuration using a provided .config as base\n");
480 printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
481 printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n");
482 printf(" --oldnoconfig An alias of olddefconfig\n");
483 printf(" --defconfig <file> New config with default defined in <file>\n");
484 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
485 printf(" --allnoconfig New config where all options are answered with no\n");
486 printf(" --allyesconfig New config where all options are answered with yes\n");
487 printf(" --allmodconfig New config where all options are answered with mod\n");
488 printf(" --alldefconfig New config with all symbols set to default\n");
489 printf(" --randconfig New config with random answer to all options\n");
490 }
491
main(int ac,char ** av)492 int main(int ac, char **av)
493 {
494 const char *progname = av[0];
495 int opt;
496 const char *name, *defconfig_file = NULL /* gcc uninit */;
497 struct stat tmpstat;
498
499 setlocale(LC_ALL, "");
500 bindtextdomain(PACKAGE, LOCALEDIR);
501 textdomain(PACKAGE);
502
503 tty_stdio = isatty(0) && isatty(1) && isatty(2);
504
505 while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
506 if (opt == 's') {
507 conf_set_message_callback(NULL);
508 continue;
509 }
510 input_mode = (enum input_mode)opt;
511 switch (opt) {
512 case silentoldconfig:
513 sync_kconfig = 1;
514 break;
515 case defconfig:
516 case savedefconfig:
517 defconfig_file = optarg;
518 break;
519 case randconfig:
520 {
521 struct timeval now;
522 unsigned int seed;
523 char *seed_env;
524
525 /*
526 * Use microseconds derived seed,
527 * compensate for systems where it may be zero
528 */
529 gettimeofday(&now, NULL);
530 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
531
532 seed_env = getenv("KCONFIG_SEED");
533 if( seed_env && *seed_env ) {
534 char *endp;
535 int tmp = (int)strtol(seed_env, &endp, 0);
536 if (*endp == '\0') {
537 seed = tmp;
538 }
539 }
540 fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
541 srand(seed);
542 break;
543 }
544 case oldaskconfig:
545 case oldconfig:
546 case allnoconfig:
547 case allyesconfig:
548 case allmodconfig:
549 case alldefconfig:
550 case listnewconfig:
551 case olddefconfig:
552 break;
553 case '?':
554 conf_usage(progname);
555 exit(1);
556 break;
557 }
558 }
559 if (ac == optind) {
560 printf(_("%s: Kconfig file missing\n"), av[0]);
561 conf_usage(progname);
562 exit(1);
563 }
564 name = av[optind];
565 conf_parse(name);
566 //zconfdump(stdout);
567 if (sync_kconfig) {
568 name = conf_get_configname();
569 if (stat(name, &tmpstat)) {
570 fprintf(stderr, _("***\n"
571 "*** Configuration file \"%s\" not found!\n"
572 "***\n"
573 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
574 "*** \"make menuconfig\" or \"make xconfig\").\n"
575 "***\n"), name);
576 exit(1);
577 }
578 }
579
580 switch (input_mode) {
581 case defconfig:
582 if (!defconfig_file)
583 defconfig_file = conf_get_default_confname();
584 if (conf_read(defconfig_file)) {
585 printf(_("***\n"
586 "*** Can't find default configuration \"%s\"!\n"
587 "***\n"), defconfig_file);
588 exit(1);
589 }
590 break;
591 case savedefconfig:
592 case silentoldconfig:
593 case oldaskconfig:
594 case oldconfig:
595 case listnewconfig:
596 case olddefconfig:
597 conf_read(NULL);
598 break;
599 case allnoconfig:
600 case allyesconfig:
601 case allmodconfig:
602 case alldefconfig:
603 case randconfig:
604 name = getenv("KCONFIG_ALLCONFIG");
605 if (!name)
606 break;
607 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
608 if (conf_read_simple(name, S_DEF_USER)) {
609 fprintf(stderr,
610 _("*** Can't read seed configuration \"%s\"!\n"),
611 name);
612 exit(1);
613 }
614 break;
615 }
616 switch (input_mode) {
617 case allnoconfig: name = "allno.config"; break;
618 case allyesconfig: name = "allyes.config"; break;
619 case allmodconfig: name = "allmod.config"; break;
620 case alldefconfig: name = "alldef.config"; break;
621 case randconfig: name = "allrandom.config"; break;
622 default: break;
623 }
624 if (conf_read_simple(name, S_DEF_USER) &&
625 conf_read_simple("all.config", S_DEF_USER)) {
626 fprintf(stderr,
627 _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
628 name);
629 exit(1);
630 }
631 break;
632 default:
633 break;
634 }
635
636 if (sync_kconfig) {
637 if (conf_get_changed()) {
638 name = getenv("KCONFIG_NOSILENTUPDATE");
639 if (name && *name) {
640 fprintf(stderr,
641 _("\n*** The configuration requires explicit update.\n\n"));
642 return 1;
643 }
644 }
645 valid_stdin = tty_stdio;
646 }
647
648 switch (input_mode) {
649 case allnoconfig:
650 conf_set_all_new_symbols(def_no);
651 break;
652 case allyesconfig:
653 conf_set_all_new_symbols(def_yes);
654 break;
655 case allmodconfig:
656 conf_set_all_new_symbols(def_mod);
657 break;
658 case alldefconfig:
659 conf_set_all_new_symbols(def_default);
660 break;
661 case randconfig:
662 /* Really nothing to do in this loop */
663 while (conf_set_all_new_symbols(def_random)) ;
664 break;
665 case defconfig:
666 conf_set_all_new_symbols(def_default);
667 break;
668 case savedefconfig:
669 break;
670 case oldaskconfig:
671 rootEntry = &rootmenu;
672 conf(&rootmenu);
673 input_mode = silentoldconfig;
674 /* fall through */
675 case oldconfig:
676 case listnewconfig:
677 case olddefconfig:
678 case silentoldconfig:
679 /* Update until a loop caused no more changes */
680 do {
681 conf_cnt = 0;
682 check_conf(&rootmenu);
683 } while (conf_cnt &&
684 (input_mode != listnewconfig &&
685 input_mode != olddefconfig));
686 break;
687 }
688
689 if (sync_kconfig) {
690 /* silentoldconfig is used during the build so we shall update autoconf.
691 * All other commands are only used to generate a config.
692 */
693 if (conf_get_changed() && conf_write(NULL)) {
694 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
695 exit(1);
696 }
697 if (conf_write_autoconf()) {
698 fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
699 return 1;
700 }
701 } else if (input_mode == savedefconfig) {
702 if (conf_write_defconfig(defconfig_file)) {
703 fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
704 defconfig_file);
705 return 1;
706 }
707 } else if (input_mode != listnewconfig) {
708 if (conf_write(NULL)) {
709 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
710 exit(1);
711 }
712 }
713 return 0;
714 }
715
716 /*
717 * Helper function to facilitate fgets() by Jean Sacren.
718 */
xfgets(char * str,int size,FILE * in)719 void xfgets(char *str, int size, FILE *in)
720 {
721 if (fgets(str, size, in) == NULL)
722 fprintf(stderr, "\nError in reading or end of file.\n");
723 }
724
