crosstool-ng: kconfig/conf.c@13e40098fffc

     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 <getopt.h>

    14 #include <sys/stat.h>

    15 #include <sys/time.h>

    17 #define LKC_DIRECT_LINK

    18 #include "lkc.h"

    20 static void conf(struct menu *menu);

    21 static void check_conf(struct menu *menu);

    23 enum 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;

    38 char *defconfig_file;

    40 static int indent = 1;

    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;

    47 static void print_help(struct menu *menu)

    48 {

    49 	struct gstr help = str_new();

    51 	menu_get_ext_help(menu, &help);

    53 	printf("\n%s\n", str_get(&help));

    54 	str_free(&help);

    55 }

    57 static void strip(char *str)

    58 {

    59 	char *p = str;

    60 	int l;

    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 }

    74 static void check_stdin(void)

    75 {

    76 	if (!valid_stdin) {

    77 		/* For crosstool-NG, we don't care if stdin/stdout got redirected.

    78 		 * In this case, just printf a cariage return, for pretty output.

    79 		 */

    80 		printf("\n");

    81 	}

    82 }

    84 static int conf_askvalue(struct symbol *sym, const char *def)

    85 {

    86 	enum symbol_type type = sym_get_type(sym);

    88 	if (!sym_has_value(sym))

    89 		printf(_("(NEW) "));

    91 	line[0] = '\n';

    92 	line[1] = 0;

    94 	if (!sym_is_changable(sym)) {

    95 		printf("%s\n", def);

    96 		line[0] = '\n';

    97 		line[1] = 0;

    98 		return 0;

    99 	}

   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 	case oldaskconfig:

   110 		fflush(stdout);

   111 		xfgets(line, 128, stdin);

   112 		return 1;

   113 	default:

   114 		break;

   115 	}

   117 	switch (type) {

   118 	case S_INT:

   119 	case S_HEX:

   120 	case S_STRING:

   121 		printf("%s\n", def);

   122 		return 1;

   123 	default:

   124 		;

   125 	}

   126 	printf("%s", line);

   127 	return 1;

   128 }

   130 static int conf_string(struct menu *menu)

   131 {

   132 	struct symbol *sym = menu->sym;

   133 	const char *def;

   135 	while (1) {

   136 		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));

   137 		printf("(%s) ", sym->name);

   138 		def = sym_get_string_value(sym);

   139 		if (sym_get_string_value(sym))

   140 			printf("[%s] ", def);

   141 		if (!conf_askvalue(sym, def))

   142 			return 0;

   143 		switch (line[0]) {

   144 		case '\n':

   145 			break;

   146 		case '?':

   147 			/* print help */

   148 			if (line[1] == '\n') {

   149 				print_help(menu);

   150 				def = NULL;

   151 				break;

   152 			}

   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 }

   162 static int conf_sym(struct menu *menu)

   163 {

   164 	struct symbol *sym = menu->sym;

   165 	tristate oldval, newval;

   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);

   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;

   226 help:

   227 		print_help(menu);

   228 	}

   229 }

   231 static int conf_choice(struct menu *menu)

   232 {

   233 	struct symbol *sym, *def_sym;

   234 	struct menu *child;

   235 	bool is_new;

   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 	}

   262 	while (1) {

   263 		int cnt, def;

   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 		case oldaskconfig:

   308 			fflush(stdout);

   309 			xfgets(line, 128, stdin);

   310 			strip(line);

   311 			if (line[0] == '?') {

   312 				print_help(menu);

   313 				continue;

   314 			}

   315 			if (!line[0])

   316 				cnt = def;

   317 			else if (isdigit(line[0]))

   318 				cnt = atoi(line);

   319 			else

   320 				continue;

   321 			break;

   322 		default:

   323 			break;

   324 		}

   326 	conf_childs:

   327 		for (child = menu->list; child; child = child->next) {

   328 			if (!child->sym || !menu_is_visible(child))

   329 				continue;

   330 			if (!--cnt)

   331 				break;

   332 		}

   333 		if (!child)

   334 			continue;

   335 		if (line[0] && line[strlen(line) - 1] == '?') {

   336 			print_help(child);

   337 			continue;

   338 		}

   339 		sym_set_choice_value(sym, child->sym);

   340 		for (child = child->list; child; child = child->next) {

   341 			indent += 2;

   342 			conf(child);

   343 			indent -= 2;

   344 		}

   345 		return 1;

   346 	}

   347 }

   349 static void conf(struct menu *menu)

   350 {

   351 	struct symbol *sym;

   352 	struct property *prop;

   353 	struct menu *child;

   355 	if (!menu_is_visible(menu))

   356 		return;

   358 	sym = menu->sym;

   359 	prop = menu->prompt;

   360 	if (prop) {

   361 		const char *prompt;

   363 		switch (prop->type) {

   364 		case P_MENU:

   365 			if ((input_mode == silentoldconfig ||

   366 			     input_mode == listnewconfig ||

   367 			     input_mode == oldnoconfig) &&

   368 			    rootEntry != menu) {

   369 				check_conf(menu);

   370 				return;

   371 			}

   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 	}

   384 	if (!sym)

   385 		goto conf_childs;

   387 	if (sym_is_choice(sym)) {

   388 		conf_choice(menu);

   389 		if (sym->curr.tri != mod)

   390 			return;

   391 		goto conf_childs;

   392 	}

   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 	}

   405 conf_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 }

   414 static void check_conf(struct menu *menu)

   415 {

   416 	struct symbol *sym;

   417 	struct menu *child;

   419 	if (!menu_is_visible(menu))

   420 		return;

   422 	sym = menu->sym;

   423 	if (sym && !sym_has_value(sym)) {

   424 		if (sym_is_changable(sym) ||

   425 		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {

   426 			if (input_mode == listnewconfig) {

   427 				if (sym->name && !sym_is_choice_value(sym)) {

   428 					printf("%s%s\n", CONFIG_, sym->name);

   429 				}

   430 			} else if (input_mode != oldnoconfig) {

   431 				if (!conf_cnt++)

   432 					printf(_("*\n* Restart config...\n*\n"));

   433 				rootEntry = menu_get_parent_menu(menu);

   434 				conf(rootEntry);

   435 			}

   436 		}

   437 	}

   439 	for (child = menu->list; child; child = child->next)

   440 		check_conf(child);

   441 }

   443 static struct option long_opts[] = {

   444 	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},

   445 	{"oldconfig",       no_argument,       NULL, oldconfig},

   446 	{"silentoldconfig", no_argument,       NULL, silentoldconfig},

   447 	{"defconfig",       optional_argument, NULL, defconfig},

   448 	{"savedefconfig",   required_argument, NULL, savedefconfig},

   449 	{"allnoconfig",     no_argument,       NULL, allnoconfig},

   450 	{"allyesconfig",    no_argument,       NULL, allyesconfig},

   451 	{"allmodconfig",    no_argument,       NULL, allmodconfig},

   452 	{"alldefconfig",    no_argument,       NULL, alldefconfig},

   453 	{"randconfig",      no_argument,       NULL, randconfig},

   454 	{"listnewconfig",   no_argument,       NULL, listnewconfig},

   455 	{"oldnoconfig",     no_argument,       NULL, oldnoconfig},

   456 	{NULL, 0, NULL, 0}

   457 };

   459 int main(int ac, char **av)

   460 {

   461 	int opt;

   462 	const char *name;

   463 	struct stat tmpstat;

   465 	setlocale(LC_ALL, "");

   466 	bindtextdomain(PACKAGE, LOCALEDIR);

   467 	textdomain(PACKAGE);

   469 	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {

   470 		input_mode = (enum input_mode)opt;

   471 		switch (opt) {

   472 		case silentoldconfig:

   473 			sync_kconfig = 1;

   474 			break;

   475 		case defconfig:

   476 		case savedefconfig:

   477 			defconfig_file = optarg;

   478 			break;

   479 		case randconfig:

   480 		{

   481 			struct timeval now;

   482 			unsigned int seed;

   484 			/*

   485 			 * Use microseconds derived seed,

   486 			 * compensate for systems where it may be zero

   487 			 */

   488 			gettimeofday(&now, NULL);

   490 			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));

   491 			srand(seed);

   492 			break;

   493 		}

   494 		case '?':

   495 			fprintf(stderr, _("See README for usage info\n"));

   496 			exit(1);

   497 			break;

   498 		}

   499 	}

   500 	if (ac == optind) {

   501 		printf(_("%s: Kconfig file missing\n"), av[0]);

   502 		exit(1);

   503 	}

   504 	name = av[optind];

   505 	conf_parse(name);

   506 	//zconfdump(stdout);

   507 	if (sync_kconfig) {

   508 		name = conf_get_configname();

   509 		if (stat(name, &tmpstat)) {

   510 			fprintf(stderr, _("***\n"

   511 				"*** Configuration file \"%s\" not found!\n"

   512 				"***\n"

   513 				"*** Please configure with \"menuconfig\", or use a\n"

   514 				"*** pre-existing sample (see list with \"list-samples\").\n"

   515 				"***\n"), name);

   516 			exit(1);

   517 		}

   518 	}

   520 	switch (input_mode) {

   521 	case defconfig:

   522 		if (!defconfig_file)

   523 			defconfig_file = conf_get_default_confname();

   524 		if (conf_read(defconfig_file)) {

   525 			printf(_("***\n"

   526 				"*** Can't find default configuration \"%s\"!\n"

   527 				"***\n"), defconfig_file);

   528 			exit(1);

   529 		}

   530 		break;

   531 	case savedefconfig:

   532 	case silentoldconfig:

   533 	case oldaskconfig:

   534 	case oldconfig:

   535 	case listnewconfig:

   536 	case oldnoconfig:

   537 		conf_read(NULL);

   538 		break;

   539 	case allnoconfig:

   540 	case allyesconfig:

   541 	case allmodconfig:

   542 	case alldefconfig:

   543 	case randconfig:

   544 		name = getenv("KCONFIG_ALLCONFIG");

   545 		if (name && !stat(name, &tmpstat)) {

   546 			conf_read_simple(name, S_DEF_USER);

   547 			break;

   548 		}

   549 		switch (input_mode) {

   550 		case allnoconfig:	name = "allno.config"; break;

   551 		case allyesconfig:	name = "allyes.config"; break;

   552 		case allmodconfig:	name = "allmod.config"; break;

   553 		case alldefconfig:	name = "alldef.config"; break;

   554 		case randconfig:	name = "allrandom.config"; break;

   555 		default: break;

   556 		}

   557 		if (!stat(name, &tmpstat))

   558 			conf_read_simple(name, S_DEF_USER);

   559 		else if (!stat("all.config", &tmpstat))

   560 			conf_read_simple("all.config", S_DEF_USER);

   561 		break;

   562 	default:

   563 		break;

   564 	}

   566 	if (sync_kconfig) {

   567 		if (conf_get_changed()) {

   568 			name = getenv("KCONFIG_NOSILENTUPDATE");

   569 			if (name && *name) {

   570 				fprintf(stderr,

   571 					_("\n*** The configuration requires explicit update.\n\n"));

   572 				return 1;

   573 			}

   574 		}

   575 		valid_stdin = isatty(0) && isatty(1) && isatty(2);

   576 	}

   578 	switch (input_mode) {

   579 	case allnoconfig:

   580 		conf_set_all_new_symbols(def_no);

   581 		break;

   582 	case allyesconfig:

   583 		conf_set_all_new_symbols(def_yes);

   584 		break;

   585 	case allmodconfig:

   586 		conf_set_all_new_symbols(def_mod);

   587 		break;

   588 	case alldefconfig:

   589 		conf_set_all_new_symbols(def_default);

   590 		break;

   591 	case randconfig:

   592 		conf_set_all_new_symbols(def_random);

   593 		break;

   594 	case defconfig:

   595 		conf_set_all_new_symbols(def_default);

   596 		break;

   597 	case savedefconfig:

   598 		break;

   599 	case oldaskconfig:

   600 		rootEntry = &rootmenu;

   601 		conf(&rootmenu);

   602 		input_mode = silentoldconfig;

   603 		/* fall through */

   604 	case oldconfig:

   605 	case listnewconfig:

   606 	case oldnoconfig:

   607 	case silentoldconfig:

   608 		/* Update until a loop caused no more changes */

   609 		do {

   610 			conf_cnt = 0;

   611 			check_conf(&rootmenu);

   612 		} while (conf_cnt &&

   613 			 (input_mode != listnewconfig &&

   614 			  input_mode != oldnoconfig));

   615 		break;

   616 	}

   618 	if (sync_kconfig) {

   619 		/* silentoldconfig is used during the build so we shall update autoconf.

   620 		 * All other commands are only used to generate a config.

   621 		 */

   622 		if (conf_get_changed() && conf_write(NULL)) {

   623 			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));

   624 			exit(1);

   625 		}

   626 		/* In crosstool-NG, we do not use the autoconf stuff */

   627 	} else if (input_mode == savedefconfig) {

   628 		if (conf_write_defconfig(defconfig_file)) {

   629 			fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),

   630 			        defconfig_file);

   631 			return 1;

   632 		}

   633 	} else if (input_mode != listnewconfig) {

   634 		if (conf_write(NULL)) {

   635 			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));

   636 			exit(1);

   637 		}

   638 	}

   639 	return 0;

   640 }

   641 /*

   642  * Helper function to facilitate fgets() by Jean Sacren.

   643  */

   644 void xfgets(str, size, in)

   645 	char *str;

   646 	int size;

   647 	FILE *in;

   648 {

   649 	if (fgets(str, size, in) == NULL)

   650 		fprintf(stderr, "\nError in reading or end of file.\n");

   651 }

author	"Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
	Mon Apr 16 15:25:36 2012 +0200 (2012-04-16)
changeset 2941	13e40098fffc
parent 2448	a103abae1560
permissions	-rw-r--r--