PCI: pciehp: enable software notification on empty slots
[linux-2.6/mini2440.git] / scripts / kconfig / conf.c
blob3e1057f885c6a2496e981e6180611aa6878cede0
1 /*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
4 */
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 <sys/stat.h>
15 #define LKC_DIRECT_LINK
16 #include "lkc.h"
18 static void conf(struct menu *menu);
19 static void check_conf(struct menu *menu);
21 enum {
22 ask_all,
23 ask_new,
24 ask_silent,
25 set_default,
26 set_yes,
27 set_mod,
28 set_no,
29 set_random
30 } input_mode = ask_all;
31 char *defconfig_file;
33 static int indent = 1;
34 static int valid_stdin = 1;
35 static int sync_kconfig;
36 static int conf_cnt;
37 static char line[128];
38 static struct menu *rootEntry;
40 static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");
42 static const char *get_help(struct menu *menu)
44 if (menu_has_help(menu))
45 return _(menu_get_help(menu));
46 else
47 return nohelp_text;
50 static void strip(char *str)
52 char *p = str;
53 int l;
55 while ((isspace(*p)))
56 p++;
57 l = strlen(p);
58 if (p != str)
59 memmove(str, p, l + 1);
60 if (!l)
61 return;
62 p = str + l - 1;
63 while ((isspace(*p)))
64 *p-- = 0;
67 static void check_stdin(void)
69 if (!valid_stdin) {
70 printf(_("aborted!\n\n"));
71 printf(_("Console input/output is redirected. "));
72 printf(_("Run 'make oldconfig' to update configuration.\n\n"));
73 exit(1);
77 static int conf_askvalue(struct symbol *sym, const char *def)
79 enum symbol_type type = sym_get_type(sym);
81 if (!sym_has_value(sym))
82 printf(_("(NEW) "));
84 line[0] = '\n';
85 line[1] = 0;
87 if (!sym_is_changable(sym)) {
88 printf("%s\n", def);
89 line[0] = '\n';
90 line[1] = 0;
91 return 0;
94 switch (input_mode) {
95 case ask_new:
96 case ask_silent:
97 if (sym_has_value(sym)) {
98 printf("%s\n", def);
99 return 0;
101 check_stdin();
102 case ask_all:
103 fflush(stdout);
104 fgets(line, 128, stdin);
105 return 1;
106 default:
107 break;
110 switch (type) {
111 case S_INT:
112 case S_HEX:
113 case S_STRING:
114 printf("%s\n", def);
115 return 1;
116 default:
119 printf("%s", line);
120 return 1;
123 int conf_string(struct menu *menu)
125 struct symbol *sym = menu->sym;
126 const char *def;
128 while (1) {
129 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
130 printf("(%s) ", sym->name);
131 def = sym_get_string_value(sym);
132 if (sym_get_string_value(sym))
133 printf("[%s] ", def);
134 if (!conf_askvalue(sym, def))
135 return 0;
136 switch (line[0]) {
137 case '\n':
138 break;
139 case '?':
140 /* print help */
141 if (line[1] == '\n') {
142 printf("\n%s\n", get_help(menu));
143 def = NULL;
144 break;
146 default:
147 line[strlen(line)-1] = 0;
148 def = line;
150 if (def && sym_set_string_value(sym, def))
151 return 0;
155 static int conf_sym(struct menu *menu)
157 struct symbol *sym = menu->sym;
158 int type;
159 tristate oldval, newval;
161 while (1) {
162 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
163 if (sym->name)
164 printf("(%s) ", sym->name);
165 type = sym_get_type(sym);
166 putchar('[');
167 oldval = sym_get_tristate_value(sym);
168 switch (oldval) {
169 case no:
170 putchar('N');
171 break;
172 case mod:
173 putchar('M');
174 break;
175 case yes:
176 putchar('Y');
177 break;
179 if (oldval != no && sym_tristate_within_range(sym, no))
180 printf("/n");
181 if (oldval != mod && sym_tristate_within_range(sym, mod))
182 printf("/m");
183 if (oldval != yes && sym_tristate_within_range(sym, yes))
184 printf("/y");
185 if (menu_has_help(menu))
186 printf("/?");
187 printf("] ");
188 if (!conf_askvalue(sym, sym_get_string_value(sym)))
189 return 0;
190 strip(line);
192 switch (line[0]) {
193 case 'n':
194 case 'N':
195 newval = no;
196 if (!line[1] || !strcmp(&line[1], "o"))
197 break;
198 continue;
199 case 'm':
200 case 'M':
201 newval = mod;
202 if (!line[1])
203 break;
204 continue;
205 case 'y':
206 case 'Y':
207 newval = yes;
208 if (!line[1] || !strcmp(&line[1], "es"))
209 break;
210 continue;
211 case 0:
212 newval = oldval;
213 break;
214 case '?':
215 goto help;
216 default:
217 continue;
219 if (sym_set_tristate_value(sym, newval))
220 return 0;
221 help:
222 printf("\n%s\n", get_help(menu));
226 static int conf_choice(struct menu *menu)
228 struct symbol *sym, *def_sym;
229 struct menu *child;
230 int type;
231 bool is_new;
233 sym = menu->sym;
234 type = sym_get_type(sym);
235 is_new = !sym_has_value(sym);
236 if (sym_is_changable(sym)) {
237 conf_sym(menu);
238 sym_calc_value(sym);
239 switch (sym_get_tristate_value(sym)) {
240 case no:
241 return 1;
242 case mod:
243 return 0;
244 case yes:
245 break;
247 } else {
248 switch (sym_get_tristate_value(sym)) {
249 case no:
250 return 1;
251 case mod:
252 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
253 return 0;
254 case yes:
255 break;
259 while (1) {
260 int cnt, def;
262 printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
263 def_sym = sym_get_choice_value(sym);
264 cnt = def = 0;
265 line[0] = 0;
266 for (child = menu->list; child; child = child->next) {
267 if (!menu_is_visible(child))
268 continue;
269 if (!child->sym) {
270 printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
271 continue;
273 cnt++;
274 if (child->sym == def_sym) {
275 def = cnt;
276 printf("%*c", indent, '>');
277 } else
278 printf("%*c", indent, ' ');
279 printf(" %d. %s", cnt, _(menu_get_prompt(child)));
280 if (child->sym->name)
281 printf(" (%s)", child->sym->name);
282 if (!sym_has_value(child->sym))
283 printf(_(" (NEW)"));
284 printf("\n");
286 printf(_("%*schoice"), indent - 1, "");
287 if (cnt == 1) {
288 printf("[1]: 1\n");
289 goto conf_childs;
291 printf("[1-%d", cnt);
292 if (menu_has_help(menu))
293 printf("?");
294 printf("]: ");
295 switch (input_mode) {
296 case ask_new:
297 case ask_silent:
298 if (!is_new) {
299 cnt = def;
300 printf("%d\n", cnt);
301 break;
303 check_stdin();
304 case ask_all:
305 fflush(stdout);
306 fgets(line, 128, stdin);
307 strip(line);
308 if (line[0] == '?') {
309 printf("\n%s\n", get_help(menu));
310 continue;
312 if (!line[0])
313 cnt = def;
314 else if (isdigit(line[0]))
315 cnt = atoi(line);
316 else
317 continue;
318 break;
319 default:
320 break;
323 conf_childs:
324 for (child = menu->list; child; child = child->next) {
325 if (!child->sym || !menu_is_visible(child))
326 continue;
327 if (!--cnt)
328 break;
330 if (!child)
331 continue;
332 if (line[strlen(line) - 1] == '?') {
333 printf("\n%s\n", get_help(child));
334 continue;
336 sym_set_choice_value(sym, child->sym);
337 for (child = child->list; child; child = child->next) {
338 indent += 2;
339 conf(child);
340 indent -= 2;
342 return 1;
346 static void conf(struct menu *menu)
348 struct symbol *sym;
349 struct property *prop;
350 struct menu *child;
352 if (!menu_is_visible(menu))
353 return;
355 sym = menu->sym;
356 prop = menu->prompt;
357 if (prop) {
358 const char *prompt;
360 switch (prop->type) {
361 case P_MENU:
362 if (input_mode == ask_silent && rootEntry != menu) {
363 check_conf(menu);
364 return;
366 case P_COMMENT:
367 prompt = menu_get_prompt(menu);
368 if (prompt)
369 printf("%*c\n%*c %s\n%*c\n",
370 indent, '*',
371 indent, '*', _(prompt),
372 indent, '*');
373 default:
378 if (!sym)
379 goto conf_childs;
381 if (sym_is_choice(sym)) {
382 conf_choice(menu);
383 if (sym->curr.tri != mod)
384 return;
385 goto conf_childs;
388 switch (sym->type) {
389 case S_INT:
390 case S_HEX:
391 case S_STRING:
392 conf_string(menu);
393 break;
394 default:
395 conf_sym(menu);
396 break;
399 conf_childs:
400 if (sym)
401 indent += 2;
402 for (child = menu->list; child; child = child->next)
403 conf(child);
404 if (sym)
405 indent -= 2;
408 static void check_conf(struct menu *menu)
410 struct symbol *sym;
411 struct menu *child;
413 if (!menu_is_visible(menu))
414 return;
416 sym = menu->sym;
417 if (sym && !sym_has_value(sym)) {
418 if (sym_is_changable(sym) ||
419 (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
420 if (!conf_cnt++)
421 printf(_("*\n* Restart config...\n*\n"));
422 rootEntry = menu_get_parent_menu(menu);
423 conf(rootEntry);
427 for (child = menu->list; child; child = child->next)
428 check_conf(child);
431 int main(int ac, char **av)
433 int opt;
434 const char *name;
435 struct stat tmpstat;
437 setlocale(LC_ALL, "");
438 bindtextdomain(PACKAGE, LOCALEDIR);
439 textdomain(PACKAGE);
441 while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
442 switch (opt) {
443 case 'o':
444 input_mode = ask_silent;
445 break;
446 case 's':
447 input_mode = ask_silent;
448 sync_kconfig = 1;
449 break;
450 case 'd':
451 input_mode = set_default;
452 break;
453 case 'D':
454 input_mode = set_default;
455 defconfig_file = optarg;
456 break;
457 case 'n':
458 input_mode = set_no;
459 break;
460 case 'm':
461 input_mode = set_mod;
462 break;
463 case 'y':
464 input_mode = set_yes;
465 break;
466 case 'r':
467 input_mode = set_random;
468 srand(time(NULL));
469 break;
470 case 'h':
471 printf(_("See README for usage info\n"));
472 exit(0);
473 break;
474 default:
475 fprintf(stderr, _("See README for usage info\n"));
476 exit(1);
479 if (ac == optind) {
480 printf(_("%s: Kconfig file missing\n"), av[0]);
481 exit(1);
483 name = av[optind];
484 conf_parse(name);
485 //zconfdump(stdout);
486 if (sync_kconfig) {
487 if (stat(".config", &tmpstat)) {
488 fprintf(stderr, _("***\n"
489 "*** You have not yet configured your kernel!\n"
490 "*** (missing kernel .config file)\n"
491 "***\n"
492 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
493 "*** \"make menuconfig\" or \"make xconfig\").\n"
494 "***\n"));
495 exit(1);
499 switch (input_mode) {
500 case set_default:
501 if (!defconfig_file)
502 defconfig_file = conf_get_default_confname();
503 if (conf_read(defconfig_file)) {
504 printf(_("***\n"
505 "*** Can't find default configuration \"%s\"!\n"
506 "***\n"), defconfig_file);
507 exit(1);
509 break;
510 case ask_silent:
511 case ask_all:
512 case ask_new:
513 conf_read(NULL);
514 break;
515 case set_no:
516 case set_mod:
517 case set_yes:
518 case set_random:
519 name = getenv("KCONFIG_ALLCONFIG");
520 if (name && !stat(name, &tmpstat)) {
521 conf_read_simple(name, S_DEF_USER);
522 break;
524 switch (input_mode) {
525 case set_no: name = "allno.config"; break;
526 case set_mod: name = "allmod.config"; break;
527 case set_yes: name = "allyes.config"; break;
528 case set_random: name = "allrandom.config"; break;
529 default: break;
531 if (!stat(name, &tmpstat))
532 conf_read_simple(name, S_DEF_USER);
533 else if (!stat("all.config", &tmpstat))
534 conf_read_simple("all.config", S_DEF_USER);
535 break;
536 default:
537 break;
540 if (sync_kconfig) {
541 if (conf_get_changed()) {
542 name = getenv("KCONFIG_NOSILENTUPDATE");
543 if (name && *name) {
544 fprintf(stderr,
545 _("\n*** Kernel configuration requires explicit update.\n\n"));
546 return 1;
549 valid_stdin = isatty(0) && isatty(1) && isatty(2);
552 switch (input_mode) {
553 case set_no:
554 conf_set_all_new_symbols(def_no);
555 break;
556 case set_yes:
557 conf_set_all_new_symbols(def_yes);
558 break;
559 case set_mod:
560 conf_set_all_new_symbols(def_mod);
561 break;
562 case set_random:
563 conf_set_all_new_symbols(def_random);
564 break;
565 case set_default:
566 conf_set_all_new_symbols(def_default);
567 break;
568 case ask_new:
569 case ask_all:
570 rootEntry = &rootmenu;
571 conf(&rootmenu);
572 input_mode = ask_silent;
573 /* fall through */
574 case ask_silent:
575 /* Update until a loop caused no more changes */
576 do {
577 conf_cnt = 0;
578 check_conf(&rootmenu);
579 } while (conf_cnt);
580 break;
583 if (sync_kconfig) {
584 /* silentoldconfig is used during the build so we shall update autoconf.
585 * All other commands are only used to generate a config.
587 if (conf_get_changed() && conf_write(NULL)) {
588 fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
589 exit(1);
591 if (conf_write_autoconf()) {
592 fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
593 return 1;
595 } else {
596 if (conf_write(NULL)) {
597 fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
598 exit(1);
601 return 0;