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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
4 */
5
6#include <ctype.h>
7#include <limits.h>
8#include <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11#include <time.h>
12#include <unistd.h>
13#include <getopt.h>
14#include <sys/stat.h>
15#include <sys/time.h>
16#include <errno.h>
17
18#include "lkc.h"
19
20static void conf(struct menu *menu);
21static void check_conf(struct menu *menu);
22
23enum input_mode {
24 oldaskconfig,
25 syncconfig,
26 oldconfig,
27 allnoconfig,
28 allyesconfig,
29 allmodconfig,
30 alldefconfig,
31 randconfig,
32 defconfig,
33 savedefconfig,
34 listnewconfig,
35 helpnewconfig,
36 olddefconfig,
37 yes2modconfig,
38 mod2yesconfig,
39};
40static enum input_mode input_mode = oldaskconfig;
41
42static int indent = 1;
43static int tty_stdio;
44static int sync_kconfig;
45static int conf_cnt;
46static char line[PATH_MAX];
47static struct menu *rootEntry;
48
49static void print_help(struct menu *menu)
50{
51 struct gstr help = str_new();
52
53 menu_get_ext_help(menu, &help);
54
55 printf("\n%s\n", str_get(&help));
56 str_free(&help);
57}
58
59static void strip(char *str)
60{
61 char *p = str;
62 int l;
63
64 while ((isspace(*p)))
65 p++;
66 l = strlen(p);
67 if (p != str)
68 memmove(str, p, l + 1);
69 if (!l)
70 return;
71 p = str + l - 1;
72 while ((isspace(*p)))
73 *p-- = 0;
74}
75
76/* Helper function to facilitate fgets() by Jean Sacren. */
77static void xfgets(char *str, int size, FILE *in)
78{
79 if (!fgets(str, size, in))
80 fprintf(stderr, "\nError in reading or end of file.\n");
81
82 if (!tty_stdio)
83 printf("%s", str);
84}
85
86static int conf_askvalue(struct symbol *sym, const char *def)
87{
88 enum symbol_type type = sym_get_type(sym);
89
90 if (!sym_has_value(sym))
91 printf("(NEW) ");
92
93 line[0] = '\n';
94 line[1] = 0;
95
96 if (!sym_is_changeable(sym)) {
97 printf("%s\n", def);
98 line[0] = '\n';
99 line[1] = 0;
100 return 0;
101 }
102
103 switch (input_mode) {
104 case oldconfig:
105 case syncconfig:
106 if (sym_has_value(sym)) {
107 printf("%s\n", def);
108 return 0;
109 }
110 /* fall through */
111 case oldaskconfig:
112 fflush(stdout);
113 xfgets(line, sizeof(line), stdin);
114 return 1;
115 default:
116 break;
117 }
118
119 switch (type) {
120 case S_INT:
121 case S_HEX:
122 case S_STRING:
123 printf("%s\n", def);
124 return 1;
125 default:
126 ;
127 }
128 printf("%s", line);
129 return 1;
130}
131
132static int conf_string(struct menu *menu)
133{
134 struct symbol *sym = menu->sym;
135 const char *def;
136
137 while (1) {
138 printf("%*s%s ", indent - 1, "", menu->prompt->text);
139 printf("(%s) ", sym->name);
140 def = sym_get_string_value(sym);
141 if (sym_get_string_value(sym))
142 printf("[%s] ", def);
143 if (!conf_askvalue(sym, def))
144 return 0;
145 switch (line[0]) {
146 case '\n':
147 break;
148 case '?':
149 /* print help */
150 if (line[1] == '\n') {
151 print_help(menu);
152 def = NULL;
153 break;
154 }
155 /* fall through */
156 default:
157 line[strlen(line)-1] = 0;
158 def = line;
159 }
160 if (def && sym_set_string_value(sym, def))
161 return 0;
162 }
163}
164
165static int conf_sym(struct menu *menu)
166{
167 struct symbol *sym = menu->sym;
168 tristate oldval, newval;
169
170 while (1) {
171 printf("%*s%s ", indent - 1, "", menu->prompt->text);
172 if (sym->name)
173 printf("(%s) ", sym->name);
174 putchar('[');
175 oldval = sym_get_tristate_value(sym);
176 switch (oldval) {
177 case no:
178 putchar('N');
179 break;
180 case mod:
181 putchar('M');
182 break;
183 case yes:
184 putchar('Y');
185 break;
186 }
187 if (oldval != no && sym_tristate_within_range(sym, no))
188 printf("/n");
189 if (oldval != mod && sym_tristate_within_range(sym, mod))
190 printf("/m");
191 if (oldval != yes && sym_tristate_within_range(sym, yes))
192 printf("/y");
193 printf("/?] ");
194 if (!conf_askvalue(sym, sym_get_string_value(sym)))
195 return 0;
196 strip(line);
197
198 switch (line[0]) {
199 case 'n':
200 case 'N':
201 newval = no;
202 if (!line[1] || !strcmp(&line[1], "o"))
203 break;
204 continue;
205 case 'm':
206 case 'M':
207 newval = mod;
208 if (!line[1])
209 break;
210 continue;
211 case 'y':
212 case 'Y':
213 newval = yes;
214 if (!line[1] || !strcmp(&line[1], "es"))
215 break;
216 continue;
217 case 0:
218 newval = oldval;
219 break;
220 case '?':
221 goto help;
222 default:
223 continue;
224 }
225 if (sym_set_tristate_value(sym, newval))
226 return 0;
227help:
228 print_help(menu);
229 }
230}
231
232static int conf_choice(struct menu *menu)
233{
234 struct symbol *sym, *def_sym;
235 struct menu *child;
236 bool is_new;
237
238 sym = menu->sym;
239 is_new = !sym_has_value(sym);
240 if (sym_is_changeable(sym)) {
241 conf_sym(menu);
242 sym_calc_value(sym);
243 switch (sym_get_tristate_value(sym)) {
244 case no:
245 return 1;
246 case mod:
247 return 0;
248 case yes:
249 break;
250 }
251 } else {
252 switch (sym_get_tristate_value(sym)) {
253 case no:
254 return 1;
255 case mod:
256 printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
257 return 0;
258 case yes:
259 break;
260 }
261 }
262
263 while (1) {
264 int cnt, def;
265
266 printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
267 def_sym = sym_get_choice_value(sym);
268 cnt = def = 0;
269 line[0] = 0;
270 for (child = menu->list; child; child = child->next) {
271 if (!menu_is_visible(child))
272 continue;
273 if (!child->sym) {
274 printf("%*c %s\n", indent, '*', menu_get_prompt(child));
275 continue;
276 }
277 cnt++;
278 if (child->sym == def_sym) {
279 def = cnt;
280 printf("%*c", indent, '>');
281 } else
282 printf("%*c", indent, ' ');
283 printf(" %d. %s", cnt, menu_get_prompt(child));
284 if (child->sym->name)
285 printf(" (%s)", child->sym->name);
286 if (!sym_has_value(child->sym))
287 printf(" (NEW)");
288 printf("\n");
289 }
290 printf("%*schoice", indent - 1, "");
291 if (cnt == 1) {
292 printf("[1]: 1\n");
293 goto conf_childs;
294 }
295 printf("[1-%d?]: ", cnt);
296 switch (input_mode) {
297 case oldconfig:
298 case syncconfig:
299 if (!is_new) {
300 cnt = def;
301 printf("%d\n", cnt);
302 break;
303 }
304 /* fall through */
305 case oldaskconfig:
306 fflush(stdout);
307 xfgets(line, sizeof(line), stdin);
308 strip(line);
309 if (line[0] == '?') {
310 print_help(menu);
311 continue;
312 }
313 if (!line[0])
314 cnt = def;
315 else if (isdigit(line[0]))
316 cnt = atoi(line);
317 else
318 continue;
319 break;
320 default:
321 break;
322 }
323
324 conf_childs:
325 for (child = menu->list; child; child = child->next) {
326 if (!child->sym || !menu_is_visible(child))
327 continue;
328 if (!--cnt)
329 break;
330 }
331 if (!child)
332 continue;
333 if (line[0] && line[strlen(line) - 1] == '?') {
334 print_help(child);
335 continue;
336 }
337 sym_set_choice_value(sym, child->sym);
338 for (child = child->list; child; child = child->next) {
339 indent += 2;
340 conf(child);
341 indent -= 2;
342 }
343 return 1;
344 }
345}
346
347static void conf(struct menu *menu)
348{
349 struct symbol *sym;
350 struct property *prop;
351 struct menu *child;
352
353 if (!menu_is_visible(menu))
354 return;
355
356 sym = menu->sym;
357 prop = menu->prompt;
358 if (prop) {
359 const char *prompt;
360
361 switch (prop->type) {
362 case P_MENU:
363 /*
364 * Except in oldaskconfig mode, we show only menus that
365 * contain new symbols.
366 */
367 if (input_mode != oldaskconfig && rootEntry != menu) {
368 check_conf(menu);
369 return;
370 }
371 /* fall through */
372 case P_COMMENT:
373 prompt = menu_get_prompt(menu);
374 if (prompt)
375 printf("%*c\n%*c %s\n%*c\n",
376 indent, '*',
377 indent, '*', prompt,
378 indent, '*');
379 default:
380 ;
381 }
382 }
383
384 if (!sym)
385 goto conf_childs;
386
387 if (sym_is_choice(sym)) {
388 conf_choice(menu);
389 if (sym->curr.tri != mod)
390 return;
391 goto conf_childs;
392 }
393
394 switch (sym->type) {
395 case S_INT:
396 case S_HEX:
397 case S_STRING:
398 conf_string(menu);
399 break;
400 default:
401 conf_sym(menu);
402 break;
403 }
404
405conf_childs:
406 if (sym)
407 indent += 2;
408 for (child = menu->list; child; child = child->next)
409 conf(child);
410 if (sym)
411 indent -= 2;
412}
413
414static void check_conf(struct menu *menu)
415{
416 struct symbol *sym;
417 struct menu *child;
418
419 if (!menu_is_visible(menu))
420 return;
421
422 sym = menu->sym;
423 if (sym && !sym_has_value(sym)) {
424 if (sym_is_changeable(sym) ||
425 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
426 if (input_mode == listnewconfig) {
427 if (sym->name) {
428 const char *str;
429
430 if (sym->type == S_STRING) {
431 str = sym_get_string_value(sym);
432 str = sym_escape_string_value(str);
433 printf("%s%s=%s\n", CONFIG_, sym->name, str);
434 free((void *)str);
435 } else {
436 str = sym_get_string_value(sym);
437 printf("%s%s=%s\n", CONFIG_, sym->name, str);
438 }
439 }
440 } else if (input_mode == helpnewconfig) {
441 printf("-----\n");
442 print_help(menu);
443 printf("-----\n");
444
445 } else {
446 if (!conf_cnt++)
447 printf("*\n* Restart config...\n*\n");
448 rootEntry = menu_get_parent_menu(menu);
449 conf(rootEntry);
450 }
451 }
452 }
453
454 for (child = menu->list; child; child = child->next)
455 check_conf(child);
456}
457
458static struct option long_opts[] = {
459 {"oldaskconfig", no_argument, NULL, oldaskconfig},
460 {"oldconfig", no_argument, NULL, oldconfig},
461 {"syncconfig", no_argument, NULL, syncconfig},
462 {"defconfig", required_argument, NULL, defconfig},
463 {"savedefconfig", required_argument, NULL, savedefconfig},
464 {"allnoconfig", no_argument, NULL, allnoconfig},
465 {"allyesconfig", no_argument, NULL, allyesconfig},
466 {"allmodconfig", no_argument, NULL, allmodconfig},
467 {"alldefconfig", no_argument, NULL, alldefconfig},
468 {"randconfig", no_argument, NULL, randconfig},
469 {"listnewconfig", no_argument, NULL, listnewconfig},
470 {"helpnewconfig", no_argument, NULL, helpnewconfig},
471 {"olddefconfig", no_argument, NULL, olddefconfig},
472 {"yes2modconfig", no_argument, NULL, yes2modconfig},
473 {"mod2yesconfig", no_argument, NULL, mod2yesconfig},
474 {NULL, 0, NULL, 0}
475};
476
477static void conf_usage(const char *progname)
478{
479
480 printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
481 printf("[option] is _one_ of the following:\n");
482 printf(" --listnewconfig List new options\n");
483 printf(" --helpnewconfig List new options and help text\n");
484 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
485 printf(" --oldconfig Update a configuration using a provided .config as base\n");
486 printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
487 " include/{generated/,config/}\n");
488 printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
489 printf(" --defconfig <file> New config with default defined in <file>\n");
490 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
491 printf(" --allnoconfig New config where all options are answered with no\n");
492 printf(" --allyesconfig New config where all options are answered with yes\n");
493 printf(" --allmodconfig New config where all options are answered with mod\n");
494 printf(" --alldefconfig New config with all symbols set to default\n");
495 printf(" --randconfig New config with random answer to all options\n");
496 printf(" --yes2modconfig Change answers from yes to mod if possible\n");
497 printf(" --mod2yesconfig Change answers from mod to yes if possible\n");
498}
499
500int main(int ac, char **av)
501{
502 const char *progname = av[0];
503 int opt;
504 const char *name, *defconfig_file = NULL /* gcc uninit */;
505 int no_conf_write = 0;
506
507 tty_stdio = isatty(0) && isatty(1);
508
509 while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
510 if (opt == 's') {
511 conf_set_message_callback(NULL);
512 continue;
513 }
514 input_mode = (enum input_mode)opt;
515 switch (opt) {
516 case syncconfig:
517 /*
518 * syncconfig is invoked during the build stage.
519 * Suppress distracting "configuration written to ..."
520 */
521 conf_set_message_callback(NULL);
522 sync_kconfig = 1;
523 break;
524 case defconfig:
525 case savedefconfig:
526 defconfig_file = optarg;
527 break;
528 case randconfig:
529 {
530 struct timeval now;
531 unsigned int seed;
532 char *seed_env;
533
534 /*
535 * Use microseconds derived seed,
536 * compensate for systems where it may be zero
537 */
538 gettimeofday(&now, NULL);
539 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
540
541 seed_env = getenv("KCONFIG_SEED");
542 if( seed_env && *seed_env ) {
543 char *endp;
544 int tmp = (int)strtol(seed_env, &endp, 0);
545 if (*endp == '\0') {
546 seed = tmp;
547 }
548 }
549 fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
550 srand(seed);
551 break;
552 }
553 case oldaskconfig:
554 case oldconfig:
555 case allnoconfig:
556 case allyesconfig:
557 case allmodconfig:
558 case alldefconfig:
559 case listnewconfig:
560 case helpnewconfig:
561 case olddefconfig:
562 case yes2modconfig:
563 case mod2yesconfig:
564 break;
565 case '?':
566 conf_usage(progname);
567 exit(1);
568 break;
569 }
570 }
571 if (ac == optind) {
572 fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
573 conf_usage(progname);
574 exit(1);
575 }
576 name = av[optind];
577 conf_parse(name);
578 //zconfdump(stdout);
579
580 switch (input_mode) {
581 case defconfig:
582 if (conf_read(defconfig_file)) {
583 fprintf(stderr,
584 "***\n"
585 "*** Can't find default configuration \"%s\"!\n"
586 "***\n",
587 defconfig_file);
588 exit(1);
589 }
590 break;
591 case savedefconfig:
592 case syncconfig:
593 case oldaskconfig:
594 case oldconfig:
595 case listnewconfig:
596 case helpnewconfig:
597 case olddefconfig:
598 case yes2modconfig:
599 case mod2yesconfig:
600 conf_read(NULL);
601 break;
602 case allnoconfig:
603 case allyesconfig:
604 case allmodconfig:
605 case alldefconfig:
606 case randconfig:
607 name = getenv("KCONFIG_ALLCONFIG");
608 if (!name)
609 break;
610 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
611 if (conf_read_simple(name, S_DEF_USER)) {
612 fprintf(stderr,
613 "*** Can't read seed configuration \"%s\"!\n",
614 name);
615 exit(1);
616 }
617 break;
618 }
619 switch (input_mode) {
620 case allnoconfig: name = "allno.config"; break;
621 case allyesconfig: name = "allyes.config"; break;
622 case allmodconfig: name = "allmod.config"; break;
623 case alldefconfig: name = "alldef.config"; break;
624 case randconfig: name = "allrandom.config"; break;
625 default: break;
626 }
627 if (conf_read_simple(name, S_DEF_USER) &&
628 conf_read_simple("all.config", S_DEF_USER)) {
629 fprintf(stderr,
630 "*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n",
631 name);
632 exit(1);
633 }
634 break;
635 default:
636 break;
637 }
638
639 if (sync_kconfig) {
640 name = getenv("KCONFIG_NOSILENTUPDATE");
641 if (name && *name) {
642 if (conf_get_changed()) {
643 fprintf(stderr,
644 "\n*** The configuration requires explicit update.\n\n");
645 return 1;
646 }
647 no_conf_write = 1;
648 }
649 }
650
651 switch (input_mode) {
652 case allnoconfig:
653 conf_set_all_new_symbols(def_no);
654 break;
655 case allyesconfig:
656 conf_set_all_new_symbols(def_yes);
657 break;
658 case allmodconfig:
659 conf_set_all_new_symbols(def_mod);
660 break;
661 case alldefconfig:
662 conf_set_all_new_symbols(def_default);
663 break;
664 case randconfig:
665 /* Really nothing to do in this loop */
666 while (conf_set_all_new_symbols(def_random)) ;
667 break;
668 case defconfig:
669 conf_set_all_new_symbols(def_default);
670 break;
671 case savedefconfig:
672 break;
673 case yes2modconfig:
674 conf_rewrite_mod_or_yes(def_y2m);
675 break;
676 case mod2yesconfig:
677 conf_rewrite_mod_or_yes(def_m2y);
678 break;
679 case oldaskconfig:
680 rootEntry = &rootmenu;
681 conf(&rootmenu);
682 input_mode = oldconfig;
683 /* fall through */
684 case oldconfig:
685 case listnewconfig:
686 case helpnewconfig:
687 case syncconfig:
688 /* Update until a loop caused no more changes */
689 do {
690 conf_cnt = 0;
691 check_conf(&rootmenu);
692 } while (conf_cnt);
693 break;
694 case olddefconfig:
695 default:
696 break;
697 }
698
699 if (input_mode == savedefconfig) {
700 if (conf_write_defconfig(defconfig_file)) {
701 fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
702 defconfig_file);
703 return 1;
704 }
705 } else if (input_mode != listnewconfig && input_mode != helpnewconfig) {
706 if (!no_conf_write && conf_write(NULL)) {
707 fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
708 exit(1);
709 }
710
711 /*
712 * Create auto.conf if it does not exist.
713 * This prevents GNU Make 4.1 or older from emitting
714 * "include/config/auto.conf: No such file or directory"
715 * in the top-level Makefile
716 *
717 * syncconfig always creates or updates auto.conf because it is
718 * used during the build.
719 */
720 if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
721 fprintf(stderr,
722 "\n*** Error during sync of the configuration.\n\n");
723 return 1;
724 }
725 }
726 return 0;
727}
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 <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11#include <time.h>
12#include <unistd.h>
13#include <getopt.h>
14#include <sys/stat.h>
15#include <sys/time.h>
16#include <errno.h>
17
18#include "lkc.h"
19
20static void conf(struct menu *menu);
21static void check_conf(struct menu *menu);
22static void xfgets(char *str, int size, FILE *in);
23
24enum input_mode {
25 oldaskconfig,
26 silentoldconfig,
27 oldconfig,
28 allnoconfig,
29 allyesconfig,
30 allmodconfig,
31 alldefconfig,
32 randconfig,
33 defconfig,
34 savedefconfig,
35 listnewconfig,
36 olddefconfig,
37} input_mode = oldaskconfig;
38
39static int indent = 1;
40static int tty_stdio;
41static int valid_stdin = 1;
42static int sync_kconfig;
43static int conf_cnt;
44static char line[128];
45static struct menu *rootEntry;
46
47static void print_help(struct menu *menu)
48{
49 struct gstr help = str_new();
50
51 menu_get_ext_help(menu, &help);
52
53 printf("\n%s\n", str_get(&help));
54 str_free(&help);
55}
56
57static void strip(char *str)
58{
59 char *p = str;
60 int l;
61
62 while ((isspace(*p)))
63 p++;
64 l = strlen(p);
65 if (p != str)
66 memmove(str, p, l + 1);
67 if (!l)
68 return;
69 p = str + l - 1;
70 while ((isspace(*p)))
71 *p-- = 0;
72}
73
74static void check_stdin(void)
75{
76 if (!valid_stdin) {
77 printf(_("aborted!\n\n"));
78 printf(_("Console input/output is redirected. "));
79 printf(_("Run 'make oldconfig' to update configuration.\n\n"));
80 exit(1);
81 }
82}
83
84static int conf_askvalue(struct symbol *sym, const char *def)
85{
86 enum symbol_type type = sym_get_type(sym);
87
88 if (!sym_has_value(sym))
89 printf(_("(NEW) "));
90
91 line[0] = '\n';
92 line[1] = 0;
93
94 if (!sym_is_changable(sym)) {
95 printf("%s\n", def);
96 line[0] = '\n';
97 line[1] = 0;
98 return 0;
99 }
100
101 switch (input_mode) {
102 case oldconfig:
103 case silentoldconfig:
104 if (sym_has_value(sym)) {
105 printf("%s\n", def);
106 return 0;
107 }
108 check_stdin();
109 /* fall through */
110 case oldaskconfig:
111 fflush(stdout);
112 xfgets(line, 128, stdin);
113 if (!tty_stdio)
114 printf("\n");
115 return 1;
116 default:
117 break;
118 }
119
120 switch (type) {
121 case S_INT:
122 case S_HEX:
123 case S_STRING:
124 printf("%s\n", def);
125 return 1;
126 default:
127 ;
128 }
129 printf("%s", line);
130 return 1;
131}
132
133static int conf_string(struct menu *menu)
134{
135 struct symbol *sym = menu->sym;
136 const char *def;
137
138 while (1) {
139 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
140 printf("(%s) ", sym->name);
141 def = sym_get_string_value(sym);
142 if (sym_get_string_value(sym))
143 printf("[%s] ", def);
144 if (!conf_askvalue(sym, def))
145 return 0;
146 switch (line[0]) {
147 case '\n':
148 break;
149 case '?':
150 /* print help */
151 if (line[1] == '\n') {
152 print_help(menu);
153 def = NULL;
154 break;
155 }
156 /* fall through */
157 default:
158 line[strlen(line)-1] = 0;
159 def = line;
160 }
161 if (def && sym_set_string_value(sym, def))
162 return 0;
163 }
164}
165
166static int conf_sym(struct menu *menu)
167{
168 struct symbol *sym = menu->sym;
169 tristate oldval, newval;
170
171 while (1) {
172 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
173 if (sym->name)
174 printf("(%s) ", sym->name);
175 putchar('[');
176 oldval = sym_get_tristate_value(sym);
177 switch (oldval) {
178 case no:
179 putchar('N');
180 break;
181 case mod:
182 putchar('M');
183 break;
184 case yes:
185 putchar('Y');
186 break;
187 }
188 if (oldval != no && sym_tristate_within_range(sym, no))
189 printf("/n");
190 if (oldval != mod && sym_tristate_within_range(sym, mod))
191 printf("/m");
192 if (oldval != yes && sym_tristate_within_range(sym, yes))
193 printf("/y");
194 if (menu_has_help(menu))
195 printf("/?");
196 printf("] ");
197 if (!conf_askvalue(sym, sym_get_string_value(sym)))
198 return 0;
199 strip(line);
200
201 switch (line[0]) {
202 case 'n':
203 case 'N':
204 newval = no;
205 if (!line[1] || !strcmp(&line[1], "o"))
206 break;
207 continue;
208 case 'm':
209 case 'M':
210 newval = mod;
211 if (!line[1])
212 break;
213 continue;
214 case 'y':
215 case 'Y':
216 newval = yes;
217 if (!line[1] || !strcmp(&line[1], "es"))
218 break;
219 continue;
220 case 0:
221 newval = oldval;
222 break;
223 case '?':
224 goto help;
225 default:
226 continue;
227 }
228 if (sym_set_tristate_value(sym, newval))
229 return 0;
230help:
231 print_help(menu);
232 }
233}
234
235static int conf_choice(struct menu *menu)
236{
237 struct symbol *sym, *def_sym;
238 struct menu *child;
239 bool is_new;
240
241 sym = menu->sym;
242 is_new = !sym_has_value(sym);
243 if (sym_is_changable(sym)) {
244 conf_sym(menu);
245 sym_calc_value(sym);
246 switch (sym_get_tristate_value(sym)) {
247 case no:
248 return 1;
249 case mod:
250 return 0;
251 case yes:
252 break;
253 }
254 } else {
255 switch (sym_get_tristate_value(sym)) {
256 case no:
257 return 1;
258 case mod:
259 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
260 return 0;
261 case yes:
262 break;
263 }
264 }
265
266 while (1) {
267 int cnt, def;
268
269 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
270 def_sym = sym_get_choice_value(sym);
271 cnt = def = 0;
272 line[0] = 0;
273 for (child = menu->list; child; child = child->next) {
274 if (!menu_is_visible(child))
275 continue;
276 if (!child->sym) {
277 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
278 continue;
279 }
280 cnt++;
281 if (child->sym == def_sym) {
282 def = cnt;
283 printf("%*c", indent, '>');
284 } else
285 printf("%*c", indent, ' ');
286 printf(" %d. %s", cnt, _(menu_get_prompt(child)));
287 if (child->sym->name)
288 printf(" (%s)", child->sym->name);
289 if (!sym_has_value(child->sym))
290 printf(_(" (NEW)"));
291 printf("\n");
292 }
293 printf(_("%*schoice"), indent - 1, "");
294 if (cnt == 1) {
295 printf("[1]: 1\n");
296 goto conf_childs;
297 }
298 printf("[1-%d", cnt);
299 if (menu_has_help(menu))
300 printf("?");
301 printf("]: ");
302 switch (input_mode) {
303 case oldconfig:
304 case silentoldconfig:
305 if (!is_new) {
306 cnt = def;
307 printf("%d\n", cnt);
308 break;
309 }
310 check_stdin();
311 /* fall through */
312 case oldaskconfig:
313 fflush(stdout);
314 xfgets(line, 128, stdin);
315 strip(line);
316 if (line[0] == '?') {
317 print_help(menu);
318 continue;
319 }
320 if (!line[0])
321 cnt = def;
322 else if (isdigit(line[0]))
323 cnt = atoi(line);
324 else
325 continue;
326 break;
327 default:
328 break;
329 }
330
331 conf_childs:
332 for (child = menu->list; child; child = child->next) {
333 if (!child->sym || !menu_is_visible(child))
334 continue;
335 if (!--cnt)
336 break;
337 }
338 if (!child)
339 continue;
340 if (line[0] && line[strlen(line) - 1] == '?') {
341 print_help(child);
342 continue;
343 }
344 sym_set_choice_value(sym, child->sym);
345 for (child = child->list; child; child = child->next) {
346 indent += 2;
347 conf(child);
348 indent -= 2;
349 }
350 return 1;
351 }
352}
353
354static void conf(struct menu *menu)
355{
356 struct symbol *sym;
357 struct property *prop;
358 struct menu *child;
359
360 if (!menu_is_visible(menu))
361 return;
362
363 sym = menu->sym;
364 prop = menu->prompt;
365 if (prop) {
366 const char *prompt;
367
368 switch (prop->type) {
369 case P_MENU:
370 if ((input_mode == silentoldconfig ||
371 input_mode == listnewconfig ||
372 input_mode == olddefconfig) &&
373 rootEntry != menu) {
374 check_conf(menu);
375 return;
376 }
377 /* fall through */
378 case P_COMMENT:
379 prompt = menu_get_prompt(menu);
380 if (prompt)
381 printf("%*c\n%*c %s\n%*c\n",
382 indent, '*',
383 indent, '*', _(prompt),
384 indent, '*');
385 default:
386 ;
387 }
388 }
389
390 if (!sym)
391 goto conf_childs;
392
393 if (sym_is_choice(sym)) {
394 conf_choice(menu);
395 if (sym->curr.tri != mod)
396 return;
397 goto conf_childs;
398 }
399
400 switch (sym->type) {
401 case S_INT:
402 case S_HEX:
403 case S_STRING:
404 conf_string(menu);
405 break;
406 default:
407 conf_sym(menu);
408 break;
409 }
410
411conf_childs:
412 if (sym)
413 indent += 2;
414 for (child = menu->list; child; child = child->next)
415 conf(child);
416 if (sym)
417 indent -= 2;
418}
419
420static void check_conf(struct menu *menu)
421{
422 struct symbol *sym;
423 struct menu *child;
424
425 if (!menu_is_visible(menu))
426 return;
427
428 sym = menu->sym;
429 if (sym && !sym_has_value(sym)) {
430 if (sym_is_changable(sym) ||
431 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
432 if (input_mode == listnewconfig) {
433 if (sym->name && !sym_is_choice_value(sym)) {
434 printf("%s%s\n", CONFIG_, sym->name);
435 }
436 } else if (input_mode != olddefconfig) {
437 if (!conf_cnt++)
438 printf(_("*\n* Restart config...\n*\n"));
439 rootEntry = menu_get_parent_menu(menu);
440 conf(rootEntry);
441 }
442 }
443 }
444
445 for (child = menu->list; child; child = child->next)
446 check_conf(child);
447}
448
449static struct option long_opts[] = {
450 {"oldaskconfig", no_argument, NULL, oldaskconfig},
451 {"oldconfig", no_argument, NULL, oldconfig},
452 {"silentoldconfig", no_argument, NULL, silentoldconfig},
453 {"defconfig", optional_argument, NULL, defconfig},
454 {"savedefconfig", required_argument, NULL, savedefconfig},
455 {"allnoconfig", no_argument, NULL, allnoconfig},
456 {"allyesconfig", no_argument, NULL, allyesconfig},
457 {"allmodconfig", no_argument, NULL, allmodconfig},
458 {"alldefconfig", no_argument, NULL, alldefconfig},
459 {"randconfig", no_argument, NULL, randconfig},
460 {"listnewconfig", no_argument, NULL, listnewconfig},
461 {"olddefconfig", no_argument, NULL, olddefconfig},
462 /*
463 * oldnoconfig is an alias of olddefconfig, because people already
464 * are dependent on its behavior(sets new symbols to their default
465 * value but not 'n') with the counter-intuitive name.
466 */
467 {"oldnoconfig", no_argument, NULL, olddefconfig},
468 {NULL, 0, NULL, 0}
469};
470
471static void conf_usage(const char *progname)
472{
473
474 printf("Usage: %s [option] <kconfig-file>\n", progname);
475 printf("[option] is _one_ of the following:\n");
476 printf(" --listnewconfig List new options\n");
477 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
478 printf(" --oldconfig Update a configuration using a provided .config as base\n");
479 printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
480 printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n");
481 printf(" --oldnoconfig An alias of olddefconfig\n");
482 printf(" --defconfig <file> New config with default defined in <file>\n");
483 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
484 printf(" --allnoconfig New config where all options are answered with no\n");
485 printf(" --allyesconfig New config where all options are answered with yes\n");
486 printf(" --allmodconfig New config where all options are answered with mod\n");
487 printf(" --alldefconfig New config with all symbols set to default\n");
488 printf(" --randconfig New config with random answer to all options\n");
489}
490
491int main(int ac, char **av)
492{
493 const char *progname = av[0];
494 int opt;
495 const char *name, *defconfig_file = NULL /* gcc uninit */;
496 struct stat tmpstat;
497
498 setlocale(LC_ALL, "");
499 bindtextdomain(PACKAGE, LOCALEDIR);
500 textdomain(PACKAGE);
501
502 tty_stdio = isatty(0) && isatty(1) && isatty(2);
503
504 while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
505 input_mode = (enum input_mode)opt;
506 switch (opt) {
507 case silentoldconfig:
508 sync_kconfig = 1;
509 break;
510 case defconfig:
511 case savedefconfig:
512 defconfig_file = optarg;
513 break;
514 case randconfig:
515 {
516 struct timeval now;
517 unsigned int seed;
518 char *seed_env;
519
520 /*
521 * Use microseconds derived seed,
522 * compensate for systems where it may be zero
523 */
524 gettimeofday(&now, NULL);
525 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
526
527 seed_env = getenv("KCONFIG_SEED");
528 if( seed_env && *seed_env ) {
529 char *endp;
530 int tmp = (int)strtol(seed_env, &endp, 0);
531 if (*endp == '\0') {
532 seed = tmp;
533 }
534 }
535 fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
536 srand(seed);
537 break;
538 }
539 case oldaskconfig:
540 case oldconfig:
541 case allnoconfig:
542 case allyesconfig:
543 case allmodconfig:
544 case alldefconfig:
545 case listnewconfig:
546 case olddefconfig:
547 break;
548 case '?':
549 conf_usage(progname);
550 exit(1);
551 break;
552 }
553 }
554 if (ac == optind) {
555 printf(_("%s: Kconfig file missing\n"), av[0]);
556 conf_usage(progname);
557 exit(1);
558 }
559 name = av[optind];
560 conf_parse(name);
561 //zconfdump(stdout);
562 if (sync_kconfig) {
563 name = conf_get_configname();
564 if (stat(name, &tmpstat)) {
565 fprintf(stderr, _("***\n"
566 "*** Configuration file \"%s\" not found!\n"
567 "***\n"
568 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
569 "*** \"make menuconfig\" or \"make xconfig\").\n"
570 "***\n"), name);
571 exit(1);
572 }
573 }
574
575 switch (input_mode) {
576 case defconfig:
577 if (!defconfig_file)
578 defconfig_file = conf_get_default_confname();
579 if (conf_read(defconfig_file)) {
580 printf(_("***\n"
581 "*** Can't find default configuration \"%s\"!\n"
582 "***\n"), defconfig_file);
583 exit(1);
584 }
585 break;
586 case savedefconfig:
587 case silentoldconfig:
588 case oldaskconfig:
589 case oldconfig:
590 case listnewconfig:
591 case olddefconfig:
592 conf_read(NULL);
593 break;
594 case allnoconfig:
595 case allyesconfig:
596 case allmodconfig:
597 case alldefconfig:
598 case randconfig:
599 name = getenv("KCONFIG_ALLCONFIG");
600 if (!name)
601 break;
602 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
603 if (conf_read_simple(name, S_DEF_USER)) {
604 fprintf(stderr,
605 _("*** Can't read seed configuration \"%s\"!\n"),
606 name);
607 exit(1);
608 }
609 break;
610 }
611 switch (input_mode) {
612 case allnoconfig: name = "allno.config"; break;
613 case allyesconfig: name = "allyes.config"; break;
614 case allmodconfig: name = "allmod.config"; break;
615 case alldefconfig: name = "alldef.config"; break;
616 case randconfig: name = "allrandom.config"; break;
617 default: break;
618 }
619 if (conf_read_simple(name, S_DEF_USER) &&
620 conf_read_simple("all.config", S_DEF_USER)) {
621 fprintf(stderr,
622 _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
623 name);
624 exit(1);
625 }
626 break;
627 default:
628 break;
629 }
630
631 if (sync_kconfig) {
632 if (conf_get_changed()) {
633 name = getenv("KCONFIG_NOSILENTUPDATE");
634 if (name && *name) {
635 fprintf(stderr,
636 _("\n*** The configuration requires explicit update.\n\n"));
637 return 1;
638 }
639 }
640 valid_stdin = tty_stdio;
641 }
642
643 switch (input_mode) {
644 case allnoconfig:
645 conf_set_all_new_symbols(def_no);
646 break;
647 case allyesconfig:
648 conf_set_all_new_symbols(def_yes);
649 break;
650 case allmodconfig:
651 conf_set_all_new_symbols(def_mod);
652 break;
653 case alldefconfig:
654 conf_set_all_new_symbols(def_default);
655 break;
656 case randconfig:
657 /* Really nothing to do in this loop */
658 while (conf_set_all_new_symbols(def_random)) ;
659 break;
660 case defconfig:
661 conf_set_all_new_symbols(def_default);
662 break;
663 case savedefconfig:
664 break;
665 case oldaskconfig:
666 rootEntry = &rootmenu;
667 conf(&rootmenu);
668 input_mode = silentoldconfig;
669 /* fall through */
670 case oldconfig:
671 case listnewconfig:
672 case olddefconfig:
673 case silentoldconfig:
674 /* Update until a loop caused no more changes */
675 do {
676 conf_cnt = 0;
677 check_conf(&rootmenu);
678 } while (conf_cnt &&
679 (input_mode != listnewconfig &&
680 input_mode != olddefconfig));
681 break;
682 }
683
684 if (sync_kconfig) {
685 /* silentoldconfig is used during the build so we shall update autoconf.
686 * All other commands are only used to generate a config.
687 */
688 if (conf_get_changed() && conf_write(NULL)) {
689 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
690 exit(1);
691 }
692 if (conf_write_autoconf()) {
693 fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
694 return 1;
695 }
696 } else if (input_mode == savedefconfig) {
697 if (conf_write_defconfig(defconfig_file)) {
698 fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
699 defconfig_file);
700 return 1;
701 }
702 } else if (input_mode != listnewconfig) {
703 if (conf_write(NULL)) {
704 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
705 exit(1);
706 }
707 }
708 return 0;
709}
710
711/*
712 * Helper function to facilitate fgets() by Jean Sacren.
713 */
714void xfgets(char *str, int size, FILE *in)
715{
716 if (fgets(str, size, in) == NULL)
717 fprintf(stderr, "\nError in reading or end of file.\n");
718}