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0a9064fb MY |
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> | |
bf7ab1e7 | 8 | #include <limits.h> |
0a9064fb MY |
9 | #include <stdio.h> |
10 | #include <stdlib.h> | |
11 | #include <string.h> | |
12 | #include <time.h> | |
13 | #include <unistd.h> | |
14 | #include <getopt.h> | |
15 | #include <sys/stat.h> | |
16 | #include <sys/time.h> | |
17 | #include <errno.h> | |
18 | ||
19 | #include "lkc.h" | |
20 | ||
21 | static void conf(struct menu *menu); | |
22 | static void check_conf(struct menu *menu); | |
23 | static void xfgets(char *str, int size, FILE *in); | |
24 | ||
25 | enum input_mode { | |
26 | oldaskconfig, | |
27 | silentoldconfig, | |
28 | oldconfig, | |
29 | allnoconfig, | |
30 | allyesconfig, | |
31 | allmodconfig, | |
32 | alldefconfig, | |
33 | randconfig, | |
34 | defconfig, | |
35 | savedefconfig, | |
36 | listnewconfig, | |
37 | olddefconfig, | |
38 | } input_mode = oldaskconfig; | |
39 | ||
40 | static int indent = 1; | |
41 | static int tty_stdio; | |
42 | static int valid_stdin = 1; | |
43 | static int sync_kconfig; | |
44 | static int conf_cnt; | |
bf7ab1e7 | 45 | static char line[PATH_MAX]; |
0a9064fb MY |
46 | static struct menu *rootEntry; |
47 | ||
48 | static void print_help(struct menu *menu) | |
49 | { | |
50 | struct gstr help = str_new(); | |
51 | ||
52 | menu_get_ext_help(menu, &help); | |
53 | ||
54 | printf("\n%s\n", str_get(&help)); | |
55 | str_free(&help); | |
56 | } | |
57 | ||
58 | static void strip(char *str) | |
59 | { | |
60 | char *p = str; | |
61 | int l; | |
62 | ||
63 | while ((isspace(*p))) | |
64 | p++; | |
65 | l = strlen(p); | |
66 | if (p != str) | |
67 | memmove(str, p, l + 1); | |
68 | if (!l) | |
69 | return; | |
70 | p = str + l - 1; | |
71 | while ((isspace(*p))) | |
72 | *p-- = 0; | |
73 | } | |
74 | ||
75 | static void check_stdin(void) | |
76 | { | |
77 | if (!valid_stdin) { | |
78 | printf(_("aborted!\n\n")); | |
79 | printf(_("Console input/output is redirected. ")); | |
80 | printf(_("Run 'make oldconfig' to update configuration.\n\n")); | |
81 | exit(1); | |
82 | } | |
83 | } | |
84 | ||
85 | static int conf_askvalue(struct symbol *sym, const char *def) | |
86 | { | |
87 | enum symbol_type type = sym_get_type(sym); | |
88 | ||
89 | if (!sym_has_value(sym)) | |
90 | printf(_("(NEW) ")); | |
91 | ||
92 | line[0] = '\n'; | |
93 | line[1] = 0; | |
94 | ||
95 | if (!sym_is_changable(sym)) { | |
96 | printf("%s\n", def); | |
97 | line[0] = '\n'; | |
98 | line[1] = 0; | |
99 | return 0; | |
100 | } | |
101 | ||
102 | switch (input_mode) { | |
103 | case oldconfig: | |
104 | case silentoldconfig: | |
105 | if (sym_has_value(sym)) { | |
106 | printf("%s\n", def); | |
107 | return 0; | |
108 | } | |
109 | check_stdin(); | |
110 | /* fall through */ | |
111 | case oldaskconfig: | |
112 | fflush(stdout); | |
bf7ab1e7 | 113 | xfgets(line, sizeof(line), stdin); |
0a9064fb MY |
114 | if (!tty_stdio) |
115 | printf("\n"); | |
116 | return 1; | |
117 | default: | |
118 | break; | |
119 | } | |
120 | ||
121 | switch (type) { | |
122 | case S_INT: | |
123 | case S_HEX: | |
124 | case S_STRING: | |
125 | printf("%s\n", def); | |
126 | return 1; | |
127 | default: | |
128 | ; | |
129 | } | |
130 | printf("%s", line); | |
131 | return 1; | |
132 | } | |
133 | ||
134 | static int conf_string(struct menu *menu) | |
135 | { | |
136 | struct symbol *sym = menu->sym; | |
137 | const char *def; | |
138 | ||
139 | while (1) { | |
140 | printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); | |
141 | printf("(%s) ", sym->name); | |
142 | def = sym_get_string_value(sym); | |
143 | if (sym_get_string_value(sym)) | |
144 | printf("[%s] ", def); | |
145 | if (!conf_askvalue(sym, def)) | |
146 | return 0; | |
147 | switch (line[0]) { | |
148 | case '\n': | |
149 | break; | |
150 | case '?': | |
151 | /* print help */ | |
152 | if (line[1] == '\n') { | |
153 | print_help(menu); | |
154 | def = NULL; | |
155 | break; | |
156 | } | |
157 | /* fall through */ | |
158 | default: | |
159 | line[strlen(line)-1] = 0; | |
160 | def = line; | |
161 | } | |
162 | if (def && sym_set_string_value(sym, def)) | |
163 | return 0; | |
164 | } | |
165 | } | |
166 | ||
167 | static int conf_sym(struct menu *menu) | |
168 | { | |
169 | struct symbol *sym = menu->sym; | |
170 | tristate oldval, newval; | |
171 | ||
172 | while (1) { | |
173 | printf("%*s%s ", indent - 1, "", _(menu->prompt->text)); | |
174 | if (sym->name) | |
175 | printf("(%s) ", sym->name); | |
176 | putchar('['); | |
177 | oldval = sym_get_tristate_value(sym); | |
178 | switch (oldval) { | |
179 | case no: | |
180 | putchar('N'); | |
181 | break; | |
182 | case mod: | |
183 | putchar('M'); | |
184 | break; | |
185 | case yes: | |
186 | putchar('Y'); | |
187 | break; | |
188 | } | |
189 | if (oldval != no && sym_tristate_within_range(sym, no)) | |
190 | printf("/n"); | |
191 | if (oldval != mod && sym_tristate_within_range(sym, mod)) | |
192 | printf("/m"); | |
193 | if (oldval != yes && sym_tristate_within_range(sym, yes)) | |
194 | printf("/y"); | |
195 | if (menu_has_help(menu)) | |
196 | printf("/?"); | |
197 | printf("] "); | |
198 | if (!conf_askvalue(sym, sym_get_string_value(sym))) | |
199 | return 0; | |
200 | strip(line); | |
201 | ||
202 | switch (line[0]) { | |
203 | case 'n': | |
204 | case 'N': | |
205 | newval = no; | |
206 | if (!line[1] || !strcmp(&line[1], "o")) | |
207 | break; | |
208 | continue; | |
209 | case 'm': | |
210 | case 'M': | |
211 | newval = mod; | |
212 | if (!line[1]) | |
213 | break; | |
214 | continue; | |
215 | case 'y': | |
216 | case 'Y': | |
217 | newval = yes; | |
218 | if (!line[1] || !strcmp(&line[1], "es")) | |
219 | break; | |
220 | continue; | |
221 | case 0: | |
222 | newval = oldval; | |
223 | break; | |
224 | case '?': | |
225 | goto help; | |
226 | default: | |
227 | continue; | |
228 | } | |
229 | if (sym_set_tristate_value(sym, newval)) | |
230 | return 0; | |
231 | help: | |
232 | print_help(menu); | |
233 | } | |
234 | } | |
235 | ||
236 | static int conf_choice(struct menu *menu) | |
237 | { | |
238 | struct symbol *sym, *def_sym; | |
239 | struct menu *child; | |
240 | bool is_new; | |
241 | ||
242 | sym = menu->sym; | |
243 | is_new = !sym_has_value(sym); | |
244 | if (sym_is_changable(sym)) { | |
245 | conf_sym(menu); | |
246 | sym_calc_value(sym); | |
247 | switch (sym_get_tristate_value(sym)) { | |
248 | case no: | |
249 | return 1; | |
250 | case mod: | |
251 | return 0; | |
252 | case yes: | |
253 | break; | |
254 | } | |
255 | } else { | |
256 | switch (sym_get_tristate_value(sym)) { | |
257 | case no: | |
258 | return 1; | |
259 | case mod: | |
260 | printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); | |
261 | return 0; | |
262 | case yes: | |
263 | break; | |
264 | } | |
265 | } | |
266 | ||
267 | while (1) { | |
268 | int cnt, def; | |
269 | ||
270 | printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu))); | |
271 | def_sym = sym_get_choice_value(sym); | |
272 | cnt = def = 0; | |
273 | line[0] = 0; | |
274 | for (child = menu->list; child; child = child->next) { | |
275 | if (!menu_is_visible(child)) | |
276 | continue; | |
277 | if (!child->sym) { | |
278 | printf("%*c %s\n", indent, '*', _(menu_get_prompt(child))); | |
279 | continue; | |
280 | } | |
281 | cnt++; | |
282 | if (child->sym == def_sym) { | |
283 | def = cnt; | |
284 | printf("%*c", indent, '>'); | |
285 | } else | |
286 | printf("%*c", indent, ' '); | |
287 | printf(" %d. %s", cnt, _(menu_get_prompt(child))); | |
288 | if (child->sym->name) | |
289 | printf(" (%s)", child->sym->name); | |
290 | if (!sym_has_value(child->sym)) | |
291 | printf(_(" (NEW)")); | |
292 | printf("\n"); | |
293 | } | |
294 | printf(_("%*schoice"), indent - 1, ""); | |
295 | if (cnt == 1) { | |
296 | printf("[1]: 1\n"); | |
297 | goto conf_childs; | |
298 | } | |
299 | printf("[1-%d", cnt); | |
300 | if (menu_has_help(menu)) | |
301 | printf("?"); | |
302 | printf("]: "); | |
303 | switch (input_mode) { | |
304 | case oldconfig: | |
305 | case silentoldconfig: | |
306 | if (!is_new) { | |
307 | cnt = def; | |
308 | printf("%d\n", cnt); | |
309 | break; | |
310 | } | |
311 | check_stdin(); | |
312 | /* fall through */ | |
313 | case oldaskconfig: | |
314 | fflush(stdout); | |
bf7ab1e7 | 315 | xfgets(line, sizeof(line), stdin); |
0a9064fb MY |
316 | strip(line); |
317 | if (line[0] == '?') { | |
318 | print_help(menu); | |
319 | continue; | |
320 | } | |
321 | if (!line[0]) | |
322 | cnt = def; | |
323 | else if (isdigit(line[0])) | |
324 | cnt = atoi(line); | |
325 | else | |
326 | continue; | |
327 | break; | |
328 | default: | |
329 | break; | |
330 | } | |
331 | ||
332 | conf_childs: | |
333 | for (child = menu->list; child; child = child->next) { | |
334 | if (!child->sym || !menu_is_visible(child)) | |
335 | continue; | |
336 | if (!--cnt) | |
337 | break; | |
338 | } | |
339 | if (!child) | |
340 | continue; | |
341 | if (line[0] && line[strlen(line) - 1] == '?') { | |
342 | print_help(child); | |
343 | continue; | |
344 | } | |
345 | sym_set_choice_value(sym, child->sym); | |
346 | for (child = child->list; child; child = child->next) { | |
347 | indent += 2; | |
348 | conf(child); | |
349 | indent -= 2; | |
350 | } | |
351 | return 1; | |
352 | } | |
353 | } | |
354 | ||
355 | static void conf(struct menu *menu) | |
356 | { | |
357 | struct symbol *sym; | |
358 | struct property *prop; | |
359 | struct menu *child; | |
360 | ||
361 | if (!menu_is_visible(menu)) | |
362 | return; | |
363 | ||
364 | sym = menu->sym; | |
365 | prop = menu->prompt; | |
366 | if (prop) { | |
367 | const char *prompt; | |
368 | ||
369 | switch (prop->type) { | |
370 | case P_MENU: | |
371 | if ((input_mode == silentoldconfig || | |
372 | input_mode == listnewconfig || | |
373 | input_mode == olddefconfig) && | |
374 | rootEntry != menu) { | |
375 | check_conf(menu); | |
376 | return; | |
377 | } | |
378 | /* fall through */ | |
379 | case P_COMMENT: | |
380 | prompt = menu_get_prompt(menu); | |
381 | if (prompt) | |
382 | printf("%*c\n%*c %s\n%*c\n", | |
383 | indent, '*', | |
384 | indent, '*', _(prompt), | |
385 | indent, '*'); | |
386 | default: | |
387 | ; | |
388 | } | |
389 | } | |
390 | ||
391 | if (!sym) | |
392 | goto conf_childs; | |
393 | ||
394 | if (sym_is_choice(sym)) { | |
395 | conf_choice(menu); | |
396 | if (sym->curr.tri != mod) | |
397 | return; | |
398 | goto conf_childs; | |
399 | } | |
400 | ||
401 | switch (sym->type) { | |
402 | case S_INT: | |
403 | case S_HEX: | |
404 | case S_STRING: | |
405 | conf_string(menu); | |
406 | break; | |
407 | default: | |
408 | conf_sym(menu); | |
409 | break; | |
410 | } | |
411 | ||
412 | conf_childs: | |
413 | if (sym) | |
414 | indent += 2; | |
415 | for (child = menu->list; child; child = child->next) | |
416 | conf(child); | |
417 | if (sym) | |
418 | indent -= 2; | |
419 | } | |
420 | ||
421 | static void check_conf(struct menu *menu) | |
422 | { | |
423 | struct symbol *sym; | |
424 | struct menu *child; | |
425 | ||
426 | if (!menu_is_visible(menu)) | |
427 | return; | |
428 | ||
429 | sym = menu->sym; | |
430 | if (sym && !sym_has_value(sym)) { | |
431 | if (sym_is_changable(sym) || | |
432 | (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { | |
433 | if (input_mode == listnewconfig) { | |
434 | if (sym->name && !sym_is_choice_value(sym)) { | |
435 | printf("%s%s\n", CONFIG_, sym->name); | |
436 | } | |
437 | } else if (input_mode != olddefconfig) { | |
438 | if (!conf_cnt++) | |
439 | printf(_("*\n* Restart config...\n*\n")); | |
440 | rootEntry = menu_get_parent_menu(menu); | |
441 | conf(rootEntry); | |
442 | } | |
443 | } | |
444 | } | |
445 | ||
446 | for (child = menu->list; child; child = child->next) | |
447 | check_conf(child); | |
448 | } | |
449 | ||
450 | static struct option long_opts[] = { | |
451 | {"oldaskconfig", no_argument, NULL, oldaskconfig}, | |
452 | {"oldconfig", no_argument, NULL, oldconfig}, | |
453 | {"silentoldconfig", no_argument, NULL, silentoldconfig}, | |
454 | {"defconfig", optional_argument, NULL, defconfig}, | |
455 | {"savedefconfig", required_argument, NULL, savedefconfig}, | |
456 | {"allnoconfig", no_argument, NULL, allnoconfig}, | |
457 | {"allyesconfig", no_argument, NULL, allyesconfig}, | |
458 | {"allmodconfig", no_argument, NULL, allmodconfig}, | |
459 | {"alldefconfig", no_argument, NULL, alldefconfig}, | |
460 | {"randconfig", no_argument, NULL, randconfig}, | |
461 | {"listnewconfig", no_argument, NULL, listnewconfig}, | |
462 | {"olddefconfig", no_argument, NULL, olddefconfig}, | |
463 | /* | |
464 | * oldnoconfig is an alias of olddefconfig, because people already | |
465 | * are dependent on its behavior(sets new symbols to their default | |
466 | * value but not 'n') with the counter-intuitive name. | |
467 | */ | |
468 | {"oldnoconfig", no_argument, NULL, olddefconfig}, | |
469 | {NULL, 0, NULL, 0} | |
470 | }; | |
471 | ||
472 | static void conf_usage(const char *progname) | |
473 | { | |
474 | ||
9b5f0b1d | 475 | printf("Usage: %s [-s] [option] <kconfig-file>\n", progname); |
0a9064fb MY |
476 | printf("[option] is _one_ of the following:\n"); |
477 | printf(" --listnewconfig List new options\n"); | |
478 | printf(" --oldaskconfig Start a new configuration using a line-oriented program\n"); | |
479 | printf(" --oldconfig Update a configuration using a provided .config as base\n"); | |
480 | printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n"); | |
481 | printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n"); | |
482 | printf(" --oldnoconfig An alias of olddefconfig\n"); | |
483 | printf(" --defconfig <file> New config with default defined in <file>\n"); | |
484 | printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n"); | |
485 | printf(" --allnoconfig New config where all options are answered with no\n"); | |
486 | printf(" --allyesconfig New config where all options are answered with yes\n"); | |
487 | printf(" --allmodconfig New config where all options are answered with mod\n"); | |
488 | printf(" --alldefconfig New config with all symbols set to default\n"); | |
489 | printf(" --randconfig New config with random answer to all options\n"); | |
490 | } | |
491 | ||
492 | int main(int ac, char **av) | |
493 | { | |
494 | const char *progname = av[0]; | |
495 | int opt; | |
496 | const char *name, *defconfig_file = NULL /* gcc uninit */; | |
497 | struct stat tmpstat; | |
498 | ||
499 | setlocale(LC_ALL, ""); | |
500 | bindtextdomain(PACKAGE, LOCALEDIR); | |
501 | textdomain(PACKAGE); | |
502 | ||
503 | tty_stdio = isatty(0) && isatty(1) && isatty(2); | |
504 | ||
9b5f0b1d MY |
505 | while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) { |
506 | if (opt == 's') { | |
507 | conf_set_message_callback(NULL); | |
508 | continue; | |
509 | } | |
0a9064fb MY |
510 | input_mode = (enum input_mode)opt; |
511 | switch (opt) { | |
512 | case silentoldconfig: | |
513 | sync_kconfig = 1; | |
514 | break; | |
515 | case defconfig: | |
516 | case savedefconfig: | |
517 | defconfig_file = optarg; | |
518 | break; | |
519 | case randconfig: | |
520 | { | |
521 | struct timeval now; | |
522 | unsigned int seed; | |
523 | char *seed_env; | |
524 | ||
525 | /* | |
526 | * Use microseconds derived seed, | |
527 | * compensate for systems where it may be zero | |
528 | */ | |
529 | gettimeofday(&now, NULL); | |
530 | seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1)); | |
531 | ||
532 | seed_env = getenv("KCONFIG_SEED"); | |
533 | if( seed_env && *seed_env ) { | |
534 | char *endp; | |
535 | int tmp = (int)strtol(seed_env, &endp, 0); | |
536 | if (*endp == '\0') { | |
537 | seed = tmp; | |
538 | } | |
539 | } | |
540 | fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed ); | |
541 | srand(seed); | |
542 | break; | |
543 | } | |
544 | case oldaskconfig: | |
545 | case oldconfig: | |
546 | case allnoconfig: | |
547 | case allyesconfig: | |
548 | case allmodconfig: | |
549 | case alldefconfig: | |
550 | case listnewconfig: | |
551 | case olddefconfig: | |
552 | break; | |
553 | case '?': | |
554 | conf_usage(progname); | |
555 | exit(1); | |
556 | break; | |
557 | } | |
558 | } | |
559 | if (ac == optind) { | |
560 | printf(_("%s: Kconfig file missing\n"), av[0]); | |
561 | conf_usage(progname); | |
562 | exit(1); | |
563 | } | |
564 | name = av[optind]; | |
565 | conf_parse(name); | |
566 | //zconfdump(stdout); | |
567 | if (sync_kconfig) { | |
568 | name = conf_get_configname(); | |
569 | if (stat(name, &tmpstat)) { | |
570 | fprintf(stderr, _("***\n" | |
571 | "*** Configuration file \"%s\" not found!\n" | |
572 | "***\n" | |
573 | "*** Please run some configurator (e.g. \"make oldconfig\" or\n" | |
574 | "*** \"make menuconfig\" or \"make xconfig\").\n" | |
575 | "***\n"), name); | |
576 | exit(1); | |
577 | } | |
578 | } | |
579 | ||
580 | switch (input_mode) { | |
581 | case defconfig: | |
582 | if (!defconfig_file) | |
583 | defconfig_file = conf_get_default_confname(); | |
584 | if (conf_read(defconfig_file)) { | |
585 | printf(_("***\n" | |
586 | "*** Can't find default configuration \"%s\"!\n" | |
587 | "***\n"), defconfig_file); | |
588 | exit(1); | |
589 | } | |
590 | break; | |
591 | case savedefconfig: | |
592 | case silentoldconfig: | |
593 | case oldaskconfig: | |
594 | case oldconfig: | |
595 | case listnewconfig: | |
596 | case olddefconfig: | |
597 | conf_read(NULL); | |
598 | break; | |
599 | case allnoconfig: | |
600 | case allyesconfig: | |
601 | case allmodconfig: | |
602 | case alldefconfig: | |
603 | case randconfig: | |
604 | name = getenv("KCONFIG_ALLCONFIG"); | |
605 | if (!name) | |
606 | break; | |
607 | if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) { | |
608 | if (conf_read_simple(name, S_DEF_USER)) { | |
609 | fprintf(stderr, | |
610 | _("*** Can't read seed configuration \"%s\"!\n"), | |
611 | name); | |
612 | exit(1); | |
613 | } | |
614 | break; | |
615 | } | |
616 | switch (input_mode) { | |
617 | case allnoconfig: name = "allno.config"; break; | |
618 | case allyesconfig: name = "allyes.config"; break; | |
619 | case allmodconfig: name = "allmod.config"; break; | |
620 | case alldefconfig: name = "alldef.config"; break; | |
621 | case randconfig: name = "allrandom.config"; break; | |
622 | default: break; | |
623 | } | |
624 | if (conf_read_simple(name, S_DEF_USER) && | |
625 | conf_read_simple("all.config", S_DEF_USER)) { | |
626 | fprintf(stderr, | |
627 | _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"), | |
628 | name); | |
629 | exit(1); | |
630 | } | |
631 | break; | |
632 | default: | |
633 | break; | |
634 | } | |
635 | ||
636 | if (sync_kconfig) { | |
637 | if (conf_get_changed()) { | |
638 | name = getenv("KCONFIG_NOSILENTUPDATE"); | |
639 | if (name && *name) { | |
640 | fprintf(stderr, | |
641 | _("\n*** The configuration requires explicit update.\n\n")); | |
642 | return 1; | |
643 | } | |
644 | } | |
645 | valid_stdin = tty_stdio; | |
646 | } | |
647 | ||
648 | switch (input_mode) { | |
649 | case allnoconfig: | |
650 | conf_set_all_new_symbols(def_no); | |
651 | break; | |
652 | case allyesconfig: | |
653 | conf_set_all_new_symbols(def_yes); | |
654 | break; | |
655 | case allmodconfig: | |
656 | conf_set_all_new_symbols(def_mod); | |
657 | break; | |
658 | case alldefconfig: | |
659 | conf_set_all_new_symbols(def_default); | |
660 | break; | |
661 | case randconfig: | |
662 | /* Really nothing to do in this loop */ | |
663 | while (conf_set_all_new_symbols(def_random)) ; | |
664 | break; | |
665 | case defconfig: | |
666 | conf_set_all_new_symbols(def_default); | |
667 | break; | |
668 | case savedefconfig: | |
669 | break; | |
670 | case oldaskconfig: | |
671 | rootEntry = &rootmenu; | |
672 | conf(&rootmenu); | |
673 | input_mode = silentoldconfig; | |
674 | /* fall through */ | |
675 | case oldconfig: | |
676 | case listnewconfig: | |
677 | case olddefconfig: | |
678 | case silentoldconfig: | |
679 | /* Update until a loop caused no more changes */ | |
680 | do { | |
681 | conf_cnt = 0; | |
682 | check_conf(&rootmenu); | |
683 | } while (conf_cnt && | |
684 | (input_mode != listnewconfig && | |
685 | input_mode != olddefconfig)); | |
686 | break; | |
687 | } | |
688 | ||
689 | if (sync_kconfig) { | |
690 | /* silentoldconfig is used during the build so we shall update autoconf. | |
691 | * All other commands are only used to generate a config. | |
692 | */ | |
693 | if (conf_get_changed() && conf_write(NULL)) { | |
694 | fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n")); | |
695 | exit(1); | |
696 | } | |
697 | if (conf_write_autoconf()) { | |
698 | fprintf(stderr, _("\n*** Error during update of the configuration.\n\n")); | |
699 | return 1; | |
700 | } | |
701 | } else if (input_mode == savedefconfig) { | |
702 | if (conf_write_defconfig(defconfig_file)) { | |
703 | fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"), | |
704 | defconfig_file); | |
705 | return 1; | |
706 | } | |
707 | } else if (input_mode != listnewconfig) { | |
708 | if (conf_write(NULL)) { | |
709 | fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n")); | |
710 | exit(1); | |
711 | } | |
712 | } | |
713 | return 0; | |
714 | } | |
715 | ||
716 | /* | |
717 | * Helper function to facilitate fgets() by Jean Sacren. | |
718 | */ | |
719 | void xfgets(char *str, int size, FILE *in) | |
720 | { | |
721 | if (fgets(str, size, in) == NULL) | |
722 | fprintf(stderr, "\nError in reading or end of file.\n"); | |
723 | } |