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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 olddefconfig,
36};
37static enum input_mode input_mode = oldaskconfig;
38
39static int indent = 1;
40static int tty_stdio;
41static int sync_kconfig;
42static int conf_cnt;
43static char line[PATH_MAX];
44static struct menu *rootEntry;
45
46static void print_help(struct menu *menu)
47{
48 struct gstr help = str_new();
49
50 menu_get_ext_help(menu, &help);
51
52 printf("\n%s\n", str_get(&help));
53 str_free(&help);
54}
55
56static void strip(char *str)
57{
58 char *p = str;
59 int l;
60
61 while ((isspace(*p)))
62 p++;
63 l = strlen(p);
64 if (p != str)
65 memmove(str, p, l + 1);
66 if (!l)
67 return;
68 p = str + l - 1;
69 while ((isspace(*p)))
70 *p-- = 0;
71}
72
73/* Helper function to facilitate fgets() by Jean Sacren. */
74static void xfgets(char *str, int size, FILE *in)
75{
76 if (!fgets(str, size, in))
77 fprintf(stderr, "\nError in reading or end of file.\n");
78
79 if (!tty_stdio)
80 printf("%s", str);
81}
82
83static int conf_askvalue(struct symbol *sym, const char *def)
84{
85 enum symbol_type type = sym_get_type(sym);
86
87 if (!sym_has_value(sym))
88 printf("(NEW) ");
89
90 line[0] = '\n';
91 line[1] = 0;
92
93 if (!sym_is_changeable(sym)) {
94 printf("%s\n", def);
95 line[0] = '\n';
96 line[1] = 0;
97 return 0;
98 }
99
100 switch (input_mode) {
101 case oldconfig:
102 case syncconfig:
103 if (sym_has_value(sym)) {
104 printf("%s\n", def);
105 return 0;
106 }
107 /* fall through */
108 case oldaskconfig:
109 fflush(stdout);
110 xfgets(line, sizeof(line), 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 printf("/?] ");
191 if (!conf_askvalue(sym, sym_get_string_value(sym)))
192 return 0;
193 strip(line);
194
195 switch (line[0]) {
196 case 'n':
197 case 'N':
198 newval = no;
199 if (!line[1] || !strcmp(&line[1], "o"))
200 break;
201 continue;
202 case 'm':
203 case 'M':
204 newval = mod;
205 if (!line[1])
206 break;
207 continue;
208 case 'y':
209 case 'Y':
210 newval = yes;
211 if (!line[1] || !strcmp(&line[1], "es"))
212 break;
213 continue;
214 case 0:
215 newval = oldval;
216 break;
217 case '?':
218 goto help;
219 default:
220 continue;
221 }
222 if (sym_set_tristate_value(sym, newval))
223 return 0;
224help:
225 print_help(menu);
226 }
227}
228
229static int conf_choice(struct menu *menu)
230{
231 struct symbol *sym, *def_sym;
232 struct menu *child;
233 bool is_new;
234
235 sym = menu->sym;
236 is_new = !sym_has_value(sym);
237 if (sym_is_changeable(sym)) {
238 conf_sym(menu);
239 sym_calc_value(sym);
240 switch (sym_get_tristate_value(sym)) {
241 case no:
242 return 1;
243 case mod:
244 return 0;
245 case yes:
246 break;
247 }
248 } else {
249 switch (sym_get_tristate_value(sym)) {
250 case no:
251 return 1;
252 case mod:
253 printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
254 return 0;
255 case yes:
256 break;
257 }
258 }
259
260 while (1) {
261 int cnt, def;
262
263 printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
264 def_sym = sym_get_choice_value(sym);
265 cnt = def = 0;
266 line[0] = 0;
267 for (child = menu->list; child; child = child->next) {
268 if (!menu_is_visible(child))
269 continue;
270 if (!child->sym) {
271 printf("%*c %s\n", indent, '*', menu_get_prompt(child));
272 continue;
273 }
274 cnt++;
275 if (child->sym == def_sym) {
276 def = cnt;
277 printf("%*c", indent, '>');
278 } else
279 printf("%*c", indent, ' ');
280 printf(" %d. %s", cnt, menu_get_prompt(child));
281 if (child->sym->name)
282 printf(" (%s)", child->sym->name);
283 if (!sym_has_value(child->sym))
284 printf(" (NEW)");
285 printf("\n");
286 }
287 printf("%*schoice", indent - 1, "");
288 if (cnt == 1) {
289 printf("[1]: 1\n");
290 goto conf_childs;
291 }
292 printf("[1-%d?]: ", cnt);
293 switch (input_mode) {
294 case oldconfig:
295 case syncconfig:
296 if (!is_new) {
297 cnt = def;
298 printf("%d\n", cnt);
299 break;
300 }
301 /* fall through */
302 case oldaskconfig:
303 fflush(stdout);
304 xfgets(line, sizeof(line), stdin);
305 strip(line);
306 if (line[0] == '?') {
307 print_help(menu);
308 continue;
309 }
310 if (!line[0])
311 cnt = def;
312 else if (isdigit(line[0]))
313 cnt = atoi(line);
314 else
315 continue;
316 break;
317 default:
318 break;
319 }
320
321 conf_childs:
322 for (child = menu->list; child; child = child->next) {
323 if (!child->sym || !menu_is_visible(child))
324 continue;
325 if (!--cnt)
326 break;
327 }
328 if (!child)
329 continue;
330 if (line[0] && line[strlen(line) - 1] == '?') {
331 print_help(child);
332 continue;
333 }
334 sym_set_choice_value(sym, child->sym);
335 for (child = child->list; child; child = child->next) {
336 indent += 2;
337 conf(child);
338 indent -= 2;
339 }
340 return 1;
341 }
342}
343
344static void conf(struct menu *menu)
345{
346 struct symbol *sym;
347 struct property *prop;
348 struct menu *child;
349
350 if (!menu_is_visible(menu))
351 return;
352
353 sym = menu->sym;
354 prop = menu->prompt;
355 if (prop) {
356 const char *prompt;
357
358 switch (prop->type) {
359 case P_MENU:
360 /*
361 * Except in oldaskconfig mode, we show only menus that
362 * contain new symbols.
363 */
364 if (input_mode != oldaskconfig && rootEntry != menu) {
365 check_conf(menu);
366 return;
367 }
368 /* fall through */
369 case P_COMMENT:
370 prompt = menu_get_prompt(menu);
371 if (prompt)
372 printf("%*c\n%*c %s\n%*c\n",
373 indent, '*',
374 indent, '*', prompt,
375 indent, '*');
376 default:
377 ;
378 }
379 }
380
381 if (!sym)
382 goto conf_childs;
383
384 if (sym_is_choice(sym)) {
385 conf_choice(menu);
386 if (sym->curr.tri != mod)
387 return;
388 goto conf_childs;
389 }
390
391 switch (sym->type) {
392 case S_INT:
393 case S_HEX:
394 case S_STRING:
395 conf_string(menu);
396 break;
397 default:
398 conf_sym(menu);
399 break;
400 }
401
402conf_childs:
403 if (sym)
404 indent += 2;
405 for (child = menu->list; child; child = child->next)
406 conf(child);
407 if (sym)
408 indent -= 2;
409}
410
411static void check_conf(struct menu *menu)
412{
413 struct symbol *sym;
414 struct menu *child;
415
416 if (!menu_is_visible(menu))
417 return;
418
419 sym = menu->sym;
420 if (sym && !sym_has_value(sym)) {
421 if (sym_is_changeable(sym) ||
422 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
423 if (input_mode == listnewconfig) {
424 if (sym->name) {
425 const char *str;
426
427 if (sym->type == S_STRING) {
428 str = sym_get_string_value(sym);
429 str = sym_escape_string_value(str);
430 printf("%s%s=%s\n", CONFIG_, sym->name, str);
431 free((void *)str);
432 } else {
433 str = sym_get_string_value(sym);
434 printf("%s%s=%s\n", CONFIG_, sym->name, str);
435 }
436 }
437 } else {
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
450static struct option long_opts[] = {
451 {"oldaskconfig", no_argument, NULL, oldaskconfig},
452 {"oldconfig", no_argument, NULL, oldconfig},
453 {"syncconfig", no_argument, NULL, syncconfig},
454 {"defconfig", required_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 {NULL, 0, NULL, 0}
464};
465
466static void conf_usage(const char *progname)
467{
468
469 printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
470 printf("[option] is _one_ of the following:\n");
471 printf(" --listnewconfig List new options\n");
472 printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
473 printf(" --oldconfig Update a configuration using a provided .config as base\n");
474 printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
475 " include/{generated/,config/}\n");
476 printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
477 printf(" --defconfig <file> New config with default defined in <file>\n");
478 printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
479 printf(" --allnoconfig New config where all options are answered with no\n");
480 printf(" --allyesconfig New config where all options are answered with yes\n");
481 printf(" --allmodconfig New config where all options are answered with mod\n");
482 printf(" --alldefconfig New config with all symbols set to default\n");
483 printf(" --randconfig New config with random answer to all options\n");
484}
485
486int main(int ac, char **av)
487{
488 const char *progname = av[0];
489 int opt;
490 const char *name, *defconfig_file = NULL /* gcc uninit */;
491 int no_conf_write = 0;
492
493 tty_stdio = isatty(0) && isatty(1);
494
495 while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
496 if (opt == 's') {
497 conf_set_message_callback(NULL);
498 continue;
499 }
500 input_mode = (enum input_mode)opt;
501 switch (opt) {
502 case syncconfig:
503 /*
504 * syncconfig is invoked during the build stage.
505 * Suppress distracting "configuration written to ..."
506 */
507 conf_set_message_callback(NULL);
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 fprintf(stderr, "%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
563 switch (input_mode) {
564 case defconfig:
565 if (conf_read(defconfig_file)) {
566 fprintf(stderr,
567 "***\n"
568 "*** Can't find default configuration \"%s\"!\n"
569 "***\n",
570 defconfig_file);
571 exit(1);
572 }
573 break;
574 case savedefconfig:
575 case syncconfig:
576 case oldaskconfig:
577 case oldconfig:
578 case listnewconfig:
579 case olddefconfig:
580 conf_read(NULL);
581 break;
582 case allnoconfig:
583 case allyesconfig:
584 case allmodconfig:
585 case alldefconfig:
586 case randconfig:
587 name = getenv("KCONFIG_ALLCONFIG");
588 if (!name)
589 break;
590 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
591 if (conf_read_simple(name, S_DEF_USER)) {
592 fprintf(stderr,
593 "*** Can't read seed configuration \"%s\"!\n",
594 name);
595 exit(1);
596 }
597 break;
598 }
599 switch (input_mode) {
600 case allnoconfig: name = "allno.config"; break;
601 case allyesconfig: name = "allyes.config"; break;
602 case allmodconfig: name = "allmod.config"; break;
603 case alldefconfig: name = "alldef.config"; break;
604 case randconfig: name = "allrandom.config"; break;
605 default: break;
606 }
607 if (conf_read_simple(name, S_DEF_USER) &&
608 conf_read_simple("all.config", S_DEF_USER)) {
609 fprintf(stderr,
610 "*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n",
611 name);
612 exit(1);
613 }
614 break;
615 default:
616 break;
617 }
618
619 if (sync_kconfig) {
620 name = getenv("KCONFIG_NOSILENTUPDATE");
621 if (name && *name) {
622 if (conf_get_changed()) {
623 fprintf(stderr,
624 "\n*** The configuration requires explicit update.\n\n");
625 return 1;
626 }
627 no_conf_write = 1;
628 }
629 }
630
631 switch (input_mode) {
632 case allnoconfig:
633 conf_set_all_new_symbols(def_no);
634 break;
635 case allyesconfig:
636 conf_set_all_new_symbols(def_yes);
637 break;
638 case allmodconfig:
639 conf_set_all_new_symbols(def_mod);
640 break;
641 case alldefconfig:
642 conf_set_all_new_symbols(def_default);
643 break;
644 case randconfig:
645 /* Really nothing to do in this loop */
646 while (conf_set_all_new_symbols(def_random)) ;
647 break;
648 case defconfig:
649 conf_set_all_new_symbols(def_default);
650 break;
651 case savedefconfig:
652 break;
653 case oldaskconfig:
654 rootEntry = &rootmenu;
655 conf(&rootmenu);
656 input_mode = oldconfig;
657 /* fall through */
658 case oldconfig:
659 case listnewconfig:
660 case syncconfig:
661 /* Update until a loop caused no more changes */
662 do {
663 conf_cnt = 0;
664 check_conf(&rootmenu);
665 } while (conf_cnt);
666 break;
667 case olddefconfig:
668 default:
669 break;
670 }
671
672 if (input_mode == savedefconfig) {
673 if (conf_write_defconfig(defconfig_file)) {
674 fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
675 defconfig_file);
676 return 1;
677 }
678 } else if (input_mode != listnewconfig) {
679 if (!no_conf_write && conf_write(NULL)) {
680 fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
681 exit(1);
682 }
683
684 /*
685 * Create auto.conf if it does not exist.
686 * This prevents GNU Make 4.1 or older from emitting
687 * "include/config/auto.conf: No such file or directory"
688 * in the top-level Makefile
689 *
690 * syncconfig always creates or updates auto.conf because it is
691 * used during the build.
692 */
693 if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
694 fprintf(stderr,
695 "\n*** Error during sync of the configuration.\n\n");
696 return 1;
697 }
698 }
699 return 0;
700}
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}