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blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / scripts / kconfig / conf.c
blob6c204318bc942dca084224ffa1b9c913b58b5e3a
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
20 static void conf(struct menu *menu);
21 static void check_conf(struct menu *menu);
22 static void xfgets(char *str, int size, FILE *in);
23
24 enum 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
39 static int indent = 1;
40 static int tty_stdio;
41 static int valid_stdin = 1;
42 static int sync_kconfig;
43 static int conf_cnt;
44 static char line[128];
45 static struct menu *rootEntry;
46
47 static 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
57 static 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
74 static 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
84 static 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
133 static 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
166 static 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;
230 help:
231 print_help(menu);
232 }
233 }
234
235 static 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
354 static 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
411 conf_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
420 static 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
449 static 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
471 static void conf_usage(const char *progname)
472 {
473
474 printf("Usage: %s [-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
491 int 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, "s", long_opts, NULL)) != -1) {
505 if (opt == 's') {
506 conf_set_message_callback(NULL);
507 continue;
508 }
509 input_mode = (enum input_mode)opt;
510 switch (opt) {
511 case silentoldconfig:
512 sync_kconfig = 1;
513 break;
514 case defconfig:
515 case savedefconfig:
516 defconfig_file = optarg;
517 break;
518 case randconfig:
519 {
520 struct timeval now;
521 unsigned int seed;
522 char *seed_env;
523
524 /*
525 * Use microseconds derived seed,
526 * compensate for systems where it may be zero
527 */
528 gettimeofday(&now, NULL);
529 seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
530
531 seed_env = getenv("KCONFIG_SEED");
532 if( seed_env && *seed_env ) {
533 char *endp;
534 int tmp = (int)strtol(seed_env, &endp, 0);
535 if (*endp == '\0') {
536 seed = tmp;
537 }
538 }
539 fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
540 srand(seed);
541 break;
542 }
543 case oldaskconfig:
544 case oldconfig:
545 case allnoconfig:
546 case allyesconfig:
547 case allmodconfig:
548 case alldefconfig:
549 case listnewconfig:
550 case olddefconfig:
551 break;
552 case '?':
553 conf_usage(progname);
554 exit(1);
555 break;
556 }
557 }
558 if (ac == optind) {
559 printf(_("%s: Kconfig file missing\n"), av[0]);
560 conf_usage(progname);
561 exit(1);
562 }
563 name = av[optind];
564 conf_parse(name);
565 //zconfdump(stdout);
566 if (sync_kconfig) {
567 name = conf_get_configname();
568 if (stat(name, &tmpstat)) {
569 fprintf(stderr, _("***\n"
570 "*** Configuration file \"%s\" not found!\n"
571 "***\n"
572 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
573 "*** \"make menuconfig\" or \"make xconfig\").\n"
574 "***\n"), name);
575 exit(1);
576 }
577 }
578
579 switch (input_mode) {
580 case defconfig:
581 if (!defconfig_file)
582 defconfig_file = conf_get_default_confname();
583 if (conf_read(defconfig_file)) {
584 printf(_("***\n"
585 "*** Can't find default configuration \"%s\"!\n"
586 "***\n"), defconfig_file);
587 exit(1);
588 }
589 break;
590 case savedefconfig:
591 case silentoldconfig:
592 case oldaskconfig:
593 case oldconfig:
594 case listnewconfig:
595 case olddefconfig:
596 conf_read(NULL);
597 break;
598 case allnoconfig:
599 case allyesconfig:
600 case allmodconfig:
601 case alldefconfig:
602 case randconfig:
603 name = getenv("KCONFIG_ALLCONFIG");
604 if (!name)
605 break;
606 if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
607 if (conf_read_simple(name, S_DEF_USER)) {
608 fprintf(stderr,
609 _("*** Can't read seed configuration \"%s\"!\n"),
610 name);
611 exit(1);
612 }
613 break;
614 }
615 switch (input_mode) {
616 case allnoconfig: name = "allno.config"; break;
617 case allyesconfig: name = "allyes.config"; break;
618 case allmodconfig: name = "allmod.config"; break;
619 case alldefconfig: name = "alldef.config"; break;
620 case randconfig: name = "allrandom.config"; break;
621 default: break;
622 }
623 if (conf_read_simple(name, S_DEF_USER) &&
624 conf_read_simple("all.config", S_DEF_USER)) {
625 fprintf(stderr,
626 _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
627 name);
628 exit(1);
629 }
630 break;
631 default:
632 break;
633 }
634
635 if (sync_kconfig) {
636 if (conf_get_changed()) {
637 name = getenv("KCONFIG_NOSILENTUPDATE");
638 if (name && *name) {
639 fprintf(stderr,
640 _("\n*** The configuration requires explicit update.\n\n"));
641 return 1;
642 }
643 }
644 valid_stdin = tty_stdio;
645 }
646
647 switch (input_mode) {
648 case allnoconfig:
649 conf_set_all_new_symbols(def_no);
650 break;
651 case allyesconfig:
652 conf_set_all_new_symbols(def_yes);
653 break;
654 case allmodconfig:
655 conf_set_all_new_symbols(def_mod);
656 break;
657 case alldefconfig:
658 conf_set_all_new_symbols(def_default);
659 break;
660 case randconfig:
661 /* Really nothing to do in this loop */
662 while (conf_set_all_new_symbols(def_random)) ;
663 break;
664 case defconfig:
665 conf_set_all_new_symbols(def_default);
666 break;
667 case savedefconfig:
668 break;
669 case oldaskconfig:
670 rootEntry = &rootmenu;
671 conf(&rootmenu);
672 input_mode = silentoldconfig;
673 /* fall through */
674 case oldconfig:
675 case listnewconfig:
676 case olddefconfig:
677 case silentoldconfig:
678 /* Update until a loop caused no more changes */
679 do {
680 conf_cnt = 0;
681 check_conf(&rootmenu);
682 } while (conf_cnt &&
683 (input_mode != listnewconfig &&
684 input_mode != olddefconfig));
685 break;
686 }
687
688 if (sync_kconfig) {
689 /* silentoldconfig is used during the build so we shall update autoconf.
690 * All other commands are only used to generate a config.
691 */
692 if (conf_get_changed() && conf_write(NULL)) {
693 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
694 exit(1);
695 }
696 if (conf_write_autoconf()) {
697 fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
698 return 1;
699 }
700 } else if (input_mode == savedefconfig) {
701 if (conf_write_defconfig(defconfig_file)) {
702 fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
703 defconfig_file);
704 return 1;
705 }
706 } else if (input_mode != listnewconfig) {
707 if (conf_write(NULL)) {
708 fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
709 exit(1);
710 }
711 }
712 return 0;
713 }
714
715 /*
716 * Helper function to facilitate fgets() by Jean Sacren.
717 */
718 void xfgets(char *str, int size, FILE *in)
719 {
720 if (fgets(str, size, in) == NULL)
721 fprintf(stderr, "\nError in reading or end of file.\n");
722 }
CRIS linux kernel tree