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