[net-next-2.6.git] / scripts / kconfig / conf.c

/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <locale.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>

#define LKC_DIRECT_LINK
#include "lkc.h"

static void conf(struct menu *menu);
static void check_conf(struct menu *menu);

enum {
	ask_all,
	ask_new,
	ask_silent,
	set_default,
	set_yes,
	set_mod,
	set_no,
	set_random
} input_mode = ask_all;
char *defconfig_file;

static int indent = 1;
static int valid_stdin = 1;
static int sync_kconfig;
static int conf_cnt;
static char line[128];
static struct menu *rootEntry;

static void print_help(struct menu *menu)
{
	struct gstr help = str_new();

	menu_get_ext_help(menu, &help);

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

static void strip(char *str)
{
	char *p = str;
	int l;

	while ((isspace(*p)))
		p++;
	l = strlen(p);
	if (p != str)
		memmove(str, p, l + 1);
	if (!l)
		return;
	p = str + l - 1;
	while ((isspace(*p)))
		*p-- = 0;
}

static void check_stdin(void)
{
	if (!valid_stdin) {
		printf(_("aborted!\n\n"));
		printf(_("Console input/output is redirected. "));
		printf(_("Run 'make oldconfig' to update configuration.\n\n"));
		exit(1);
	}
}

static int conf_askvalue(struct symbol *sym, const char *def)
{
	enum symbol_type type = sym_get_type(sym);

	if (!sym_has_value(sym))
		printf(_("(NEW) "));

	line[0] = '\n';
	line[1] = 0;

	if (!sym_is_changable(sym)) {
		printf("%s\n", def);
		line[0] = '\n';
		line[1] = 0;
		return 0;
	}

	switch (input_mode) {
	case ask_new:
	case ask_silent:
		if (sym_has_value(sym)) {
			printf("%s\n", def);
			return 0;
		}
		check_stdin();
	case ask_all:
		fflush(stdout);
		fgets(line, 128, stdin);
		return 1;
	default:
		break;
	}

	switch (type) {
	case S_INT:
	case S_HEX:
	case S_STRING:
		printf("%s\n", def);
		return 1;
	default:
		;
	}
	printf("%s", line);
	return 1;
}

int conf_string(struct menu *menu)
{
	struct symbol *sym = menu->sym;
	const char *def;

	while (1) {
		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
		printf("(%s) ", sym->name);
		def = sym_get_string_value(sym);
		if (sym_get_string_value(sym))
			printf("[%s] ", def);
		if (!conf_askvalue(sym, def))
			return 0;
		switch (line[0]) {
		case '\n':
			break;
		case '?':
			/* print help */
			if (line[1] == '\n') {
				print_help(menu);
				def = NULL;
				break;
			}
		default:
			line[strlen(line)-1] = 0;
			def = line;
		}
		if (def && sym_set_string_value(sym, def))
			return 0;
	}
}

static int conf_sym(struct menu *menu)
{
	struct symbol *sym = menu->sym;
	int type;
	tristate oldval, newval;

	while (1) {
		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
		if (sym->name)
			printf("(%s) ", sym->name);
		type = sym_get_type(sym);
		putchar('[');
		oldval = sym_get_tristate_value(sym);
		switch (oldval) {
		case no:
			putchar('N');
			break;
		case mod:
			putchar('M');
			break;
		case yes:
			putchar('Y');
			break;
		}
		if (oldval != no && sym_tristate_within_range(sym, no))
			printf("/n");
		if (oldval != mod && sym_tristate_within_range(sym, mod))
			printf("/m");
		if (oldval != yes && sym_tristate_within_range(sym, yes))
			printf("/y");
		if (menu_has_help(menu))
			printf("/?");
		printf("] ");
		if (!conf_askvalue(sym, sym_get_string_value(sym)))
			return 0;
		strip(line);

		switch (line[0]) {
		case 'n':
		case 'N':
			newval = no;
			if (!line[1] || !strcmp(&line[1], "o"))
				break;
			continue;
		case 'm':
		case 'M':
			newval = mod;
			if (!line[1])
				break;
			continue;
		case 'y':
		case 'Y':
			newval = yes;
			if (!line[1] || !strcmp(&line[1], "es"))
				break;
			continue;
		case 0:
			newval = oldval;
			break;
		case '?':
			goto help;
		default:
			continue;
		}
		if (sym_set_tristate_value(sym, newval))
			return 0;
help:
		print_help(menu);
	}
}

static int conf_choice(struct menu *menu)
{
	struct symbol *sym, *def_sym;
	struct menu *child;
	int type;
	bool is_new;

	sym = menu->sym;
	type = sym_get_type(sym);
	is_new = !sym_has_value(sym);
	if (sym_is_changable(sym)) {
		conf_sym(menu);
		sym_calc_value(sym);
		switch (sym_get_tristate_value(sym)) {
		case no:
			return 1;
		case mod:
			return 0;
		case yes:
			break;
		}
	} else {
		switch (sym_get_tristate_value(sym)) {
		case no:
			return 1;
		case mod:
			printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
			return 0;
		case yes:
			break;
		}
	}

	while (1) {
		int cnt, def;

		printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
		def_sym = sym_get_choice_value(sym);
		cnt = def = 0;
		line[0] = 0;
		for (child = menu->list; child; child = child->next) {
			if (!menu_is_visible(child))
				continue;
			if (!child->sym) {
				printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
				continue;
			}
			cnt++;
			if (child->sym == def_sym) {
				def = cnt;
				printf("%*c", indent, '>');
			} else
				printf("%*c", indent, ' ');
			printf(" %d. %s", cnt, _(menu_get_prompt(child)));
			if (child->sym->name)
				printf(" (%s)", child->sym->name);
			if (!sym_has_value(child->sym))
				printf(_(" (NEW)"));
			printf("\n");
		}
		printf(_("%*schoice"), indent - 1, "");
		if (cnt == 1) {
			printf("[1]: 1\n");
			goto conf_childs;
		}
		printf("[1-%d", cnt);
		if (menu_has_help(menu))
			printf("?");
		printf("]: ");
		switch (input_mode) {
		case ask_new:
		case ask_silent:
			if (!is_new) {
				cnt = def;
				printf("%d\n", cnt);
				break;
			}
			check_stdin();
		case ask_all:
			fflush(stdout);
			fgets(line, 128, stdin);
			strip(line);
			if (line[0] == '?') {
				print_help(menu);
				continue;
			}
			if (!line[0])
				cnt = def;
			else if (isdigit(line[0]))
				cnt = atoi(line);
			else
				continue;
			break;
		default:
			break;
		}

	conf_childs:
		for (child = menu->list; child; child = child->next) {
			if (!child->sym || !menu_is_visible(child))
				continue;
			if (!--cnt)
				break;
		}
		if (!child)
			continue;
		if (line[strlen(line) - 1] == '?') {
			print_help(child);
			continue;
		}
		sym_set_choice_value(sym, child->sym);
		for (child = child->list; child; child = child->next) {
			indent += 2;
			conf(child);
			indent -= 2;
		}
		return 1;
	}
}

static void conf(struct menu *menu)
{
	struct symbol *sym;
	struct property *prop;
	struct menu *child;

	if (!menu_is_visible(menu))
		return;

	sym = menu->sym;
	prop = menu->prompt;
	if (prop) {
		const char *prompt;

		switch (prop->type) {
		case P_MENU:
			if (input_mode == ask_silent && rootEntry != menu) {
				check_conf(menu);
				return;
			}
		case P_COMMENT:
			prompt = menu_get_prompt(menu);
			if (prompt)
				printf("%*c\n%*c %s\n%*c\n",
					indent, '*',
					indent, '*', _(prompt),
					indent, '*');
		default:
			;
		}
	}

	if (!sym)
		goto conf_childs;

	if (sym_is_choice(sym)) {
		conf_choice(menu);
		if (sym->curr.tri != mod)
			return;
		goto conf_childs;
	}

	switch (sym->type) {
	case S_INT:
	case S_HEX:
	case S_STRING:
		conf_string(menu);
		break;
	default:
		conf_sym(menu);
		break;
	}

conf_childs:
	if (sym)
		indent += 2;
	for (child = menu->list; child; child = child->next)
		conf(child);
	if (sym)
		indent -= 2;
}

static void check_conf(struct menu *menu)
{
	struct symbol *sym;
	struct menu *child;

	if (!menu_is_visible(menu))
		return;

	sym = menu->sym;
	if (sym && !sym_has_value(sym)) {
		if (sym_is_changable(sym) ||
		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
			if (!conf_cnt++)
				printf(_("*\n* Restart config...\n*\n"));
			rootEntry = menu_get_parent_menu(menu);
			conf(rootEntry);
		}
	}

	for (child = menu->list; child; child = child->next)
		check_conf(child);
}

int main(int ac, char **av)
{
	int opt;
	const char *name;
	struct stat tmpstat;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);

	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
		switch (opt) {
		case 'o':
			input_mode = ask_silent;
			break;
		case 's':
			input_mode = ask_silent;
			sync_kconfig = 1;
			break;
		case 'd':
			input_mode = set_default;
			break;
		case 'D':
			input_mode = set_default;
			defconfig_file = optarg;
			break;
		case 'n':
			input_mode = set_no;
			break;
		case 'm':
			input_mode = set_mod;
			break;
		case 'y':
			input_mode = set_yes;
			break;
		case 'r':
		{
			struct timeval now;
			unsigned int seed;

			/*
			 * Use microseconds derived seed,
			 * compensate for systems where it may be zero
			 */
			gettimeofday(&now, NULL);

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

			input_mode = set_random;
			break;
		}
		case 'h':
			printf(_("See README for usage info\n"));
			exit(0);
			break;
		default:
			fprintf(stderr, _("See README for usage info\n"));
			exit(1);
		}
	}
	if (ac == optind) {
		printf(_("%s: Kconfig file missing\n"), av[0]);
		exit(1);
	}
	name = av[optind];
	conf_parse(name);
	//zconfdump(stdout);
	if (sync_kconfig) {
		name = conf_get_configname();
		if (stat(name, &tmpstat)) {
			fprintf(stderr, _("***\n"
				"*** You have not yet configured your kernel!\n"
				"*** (missing kernel config file \"%s\")\n"
				"***\n"
				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
				"*** \"make menuconfig\" or \"make xconfig\").\n"
				"***\n"), name);
			exit(1);
		}
	}

	switch (input_mode) {
	case set_default:
		if (!defconfig_file)
			defconfig_file = conf_get_default_confname();
		if (conf_read(defconfig_file)) {
			printf(_("***\n"
				"*** Can't find default configuration \"%s\"!\n"
				"***\n"), defconfig_file);
			exit(1);
		}
		break;
	case ask_silent:
	case ask_all:
	case ask_new:
		conf_read(NULL);
		break;
	case set_no:
	case set_mod:
	case set_yes:
	case set_random:
		name = getenv("KCONFIG_ALLCONFIG");
		if (name && !stat(name, &tmpstat)) {
			conf_read_simple(name, S_DEF_USER);
			break;
		}
		switch (input_mode) {
		case set_no:	 name = "allno.config"; break;
		case set_mod:	 name = "allmod.config"; break;
		case set_yes:	 name = "allyes.config"; break;
		case set_random: name = "allrandom.config"; break;
		default: break;
		}
		if (!stat(name, &tmpstat))
			conf_read_simple(name, S_DEF_USER);
		else if (!stat("all.config", &tmpstat))
			conf_read_simple("all.config", S_DEF_USER);
		break;
	default:
		break;
	}

	if (sync_kconfig) {
		if (conf_get_changed()) {
			name = getenv("KCONFIG_NOSILENTUPDATE");
			if (name && *name) {
				fprintf(stderr,
					_("\n*** Kernel configuration requires explicit update.\n\n"));
				return 1;
			}
		}
		valid_stdin = isatty(0) && isatty(1) && isatty(2);
	}

	switch (input_mode) {
	case set_no:
		conf_set_all_new_symbols(def_no);
		break;
	case set_yes:
		conf_set_all_new_symbols(def_yes);
		break;
	case set_mod:
		conf_set_all_new_symbols(def_mod);
		break;
	case set_random:
		conf_set_all_new_symbols(def_random);
		break;
	case set_default:
		conf_set_all_new_symbols(def_default);
		break;
	case ask_new:
	case ask_all:
		rootEntry = &rootmenu;
		conf(&rootmenu);
		input_mode = ask_silent;
		/* fall through */
	case ask_silent:
		/* Update until a loop caused no more changes */
		do {
			conf_cnt = 0;
			check_conf(&rootmenu);
		} while (conf_cnt);
		break;
	}

	if (sync_kconfig) {
		/* silentoldconfig is used during the build so we shall update autoconf.
		 * All other commands are only used to generate a config.
		 */
		if (conf_get_changed() && conf_write(NULL)) {
			fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
			exit(1);
		}
		if (conf_write_autoconf()) {
			fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
			return 1;
		}
	} else {
		if (conf_write(NULL)) {
			fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
			exit(1);
		}
	}
	return 0;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
	3	* Released under the terms of the GNU GPL v2.0.
	4	*/
	5
534a450c	6	#include <locale.h>
1da177e4	7	#include <ctype.h>
9dfb563b	8	#include <stdio.h>
75ff4309	9	#include <stdlib.h>
1da177e4	10	#include <string.h>
1da177e4	11	#include <time.h>
75ff4309	12	#include <unistd.h>
1da177e4	13	#include <sys/stat.h>
b0fe5510	14	#include <sys/time.h>
1da177e4 LT	15
	16	#define LKC_DIRECT_LINK
	17	#include "lkc.h"
	18
	19	static void conf(struct menu *menu);
	20	static void check_conf(struct menu *menu);
	21
	22	enum {
	23	ask_all,
	24	ask_new,
	25	ask_silent,
	26	set_default,
	27	set_yes,
	28	set_mod,
	29	set_no,
	30	set_random
	31	} input_mode = ask_all;
	32	char *defconfig_file;
	33
	34	static int indent = 1;
	35	static int valid_stdin = 1;
204c96f6	36	static int sync_kconfig;
1da177e4	37	static int conf_cnt;
48b9d03c	38	static char line[128];
1da177e4 LT	39	static struct menu *rootEntry;
1da177e4 LT	40
66c4bd80	41	static void print_help(struct menu *menu)
03d29122	42	{
66c4bd80 CR	43	struct gstr help = str_new();
	44
	45	menu_get_ext_help(menu, &help);
	46
	47	printf("\n%s\n", str_get(&help));
	48	str_free(&help);
03d29122 SR	49	}
03d29122 SR	50
48b9d03c	51	static void strip(char *str)
1da177e4	52	{
48b9d03c	53	char *p = str;
1da177e4 LT	54	int l;
	55
	56	while ((isspace(*p)))
	57	p++;
	58	l = strlen(p);
	59	if (p != str)
	60	memmove(str, p, l + 1);
	61	if (!l)
	62	return;
	63	p = str + l - 1;
	64	while ((isspace(*p)))
	65	*p-- = 0;
	66	}
	67
	68	static void check_stdin(void)
	69	{
204c96f6	70	if (!valid_stdin) {
3b9fa093 ACM	71	printf(_("aborted!\n\n"));
	72	printf(_("Console input/output is redirected. "));
	73	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	74	exit(1);
	75	}
	76	}
	77
f82f3f94	78	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	79	{
1da177e4 LT	80	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	81
1da177e4 LT	82	if (!sym_has_value(sym))
534a450c	83	printf(_("(NEW) "));
1da177e4 LT	84
	85	line[0] = '\n';
	86	line[1] = 0;
	87
	88	if (!sym_is_changable(sym)) {
	89	printf("%s\n", def);
	90	line[0] = '\n';
	91	line[1] = 0;
f82f3f94	92	return 0;
1da177e4 LT	93	}
	94
	95	switch (input_mode) {
	96	case ask_new:
	97	case ask_silent:
	98	if (sym_has_value(sym)) {
	99	printf("%s\n", def);
f82f3f94	100	return 0;
1da177e4 LT	101	}
	102	check_stdin();
	103	case ask_all:
	104	fflush(stdout);
59c6a3f4	105	fgets(line, 128, stdin);
f82f3f94	106	return 1;
1da177e4 LT	107	default:
	108	break;
	109	}
	110
	111	switch (type) {
	112	case S_INT:
	113	case S_HEX:
	114	case S_STRING:
	115	printf("%s\n", def);
f82f3f94	116	return 1;
1da177e4 LT	117	default:
	118	;
	119	}
1da177e4	120	printf("%s", line);
f82f3f94	121	return 1;
1da177e4 LT	122	}
	123
	124	int conf_string(struct menu *menu)
	125	{
	126	struct symbol *sym = menu->sym;
03d29122	127	const char *def;
1da177e4 LT	128
1da177e4 LT	129	while (1) {
534a450c	130	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	131	printf("(%s) ", sym->name);
	132	def = sym_get_string_value(sym);
	133	if (sym_get_string_value(sym))
	134	printf("[%s] ", def);
f82f3f94 RZ	135	if (!conf_askvalue(sym, def))
f82f3f94 RZ	136	return 0;
1da177e4 LT	137	switch (line[0]) {
	138	case '\n':
	139	break;
	140	case '?':
	141	/* print help */
	142	if (line[1] == '\n') {
66c4bd80	143	print_help(menu);
1da177e4 LT	144	def = NULL;
	145	break;
	146	}
	147	default:
	148	line[strlen(line)-1] = 0;
	149	def = line;
	150	}
	151	if (def && sym_set_string_value(sym, def))
	152	return 0;
	153	}
	154	}
	155
	156	static int conf_sym(struct menu *menu)
	157	{
	158	struct symbol *sym = menu->sym;
	159	int type;
	160	tristate oldval, newval;
1da177e4 LT	161
1da177e4 LT	162	while (1) {
534a450c	163	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	164	if (sym->name)
	165	printf("(%s) ", sym->name);
	166	type = sym_get_type(sym);
	167	putchar('[');
	168	oldval = sym_get_tristate_value(sym);
	169	switch (oldval) {
	170	case no:
	171	putchar('N');
	172	break;
	173	case mod:
	174	putchar('M');
	175	break;
	176	case yes:
	177	putchar('Y');
	178	break;
	179	}
	180	if (oldval != no && sym_tristate_within_range(sym, no))
	181	printf("/n");
	182	if (oldval != mod && sym_tristate_within_range(sym, mod))
	183	printf("/m");
	184	if (oldval != yes && sym_tristate_within_range(sym, yes))
	185	printf("/y");
03d29122	186	if (menu_has_help(menu))
1da177e4 LT	187	printf("/?");
1da177e4 LT	188	printf("] ");
f82f3f94 RZ	189	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	190	return 0;
1da177e4 LT	191	strip(line);
	192
	193	switch (line[0]) {
	194	case 'n':
	195	case 'N':
	196	newval = no;
	197	if (!line[1] \|\| !strcmp(&line[1], "o"))
	198	break;
	199	continue;
	200	case 'm':
	201	case 'M':
	202	newval = mod;
	203	if (!line[1])
	204	break;
	205	continue;
	206	case 'y':
	207	case 'Y':
	208	newval = yes;
	209	if (!line[1] \|\| !strcmp(&line[1], "es"))
	210	break;
	211	continue;
	212	case 0:
	213	newval = oldval;
	214	break;
	215	case '?':
	216	goto help;
	217	default:
	218	continue;
	219	}
	220	if (sym_set_tristate_value(sym, newval))
	221	return 0;
	222	help:
66c4bd80	223	print_help(menu);
1da177e4 LT	224	}
	225	}
	226
	227	static int conf_choice(struct menu *menu)
	228	{
	229	struct symbol sym, def_sym;
	230	struct menu *child;
	231	int type;
	232	bool is_new;
	233
	234	sym = menu->sym;
	235	type = sym_get_type(sym);
	236	is_new = !sym_has_value(sym);
	237	if (sym_is_changable(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:
534a450c	253	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	254	return 0;
	255	case yes:
	256	break;
	257	}
	258	}
	259
	260	while (1) {
	261	int cnt, def;
	262
534a450c	263	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	264	def_sym = sym_get_choice_value(sym);
1da177e4 LT	265	cnt = def = 0;
40aee729	266	line[0] = 0;
1da177e4 LT	267	for (child = menu->list; child; child = child->next) {
	268	if (!menu_is_visible(child))
	269	continue;
	270	if (!child->sym) {
534a450c	271	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	272	continue;
	273	}
	274	cnt++;
	275	if (child->sym == def_sym) {
	276	def = cnt;
	277	printf("%*c", indent, '>');
	278	} else
	279	printf("%*c", indent, ' ');
534a450c	280	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	281	if (child->sym->name)
	282	printf(" (%s)", child->sym->name);
	283	if (!sym_has_value(child->sym))
534a450c	284	printf(_(" (NEW)"));
1da177e4 LT	285	printf("\n");
1da177e4 LT	286	}
534a450c	287	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	288	if (cnt == 1) {
	289	printf("[1]: 1\n");
	290	goto conf_childs;
	291	}
	292	printf("[1-%d", cnt);
03d29122	293	if (menu_has_help(menu))
1da177e4 LT	294	printf("?");
	295	printf("]: ");
	296	switch (input_mode) {
	297	case ask_new:
	298	case ask_silent:
	299	if (!is_new) {
	300	cnt = def;
	301	printf("%d\n", cnt);
	302	break;
	303	}
	304	check_stdin();
	305	case ask_all:
	306	fflush(stdout);
59c6a3f4	307	fgets(line, 128, stdin);
1da177e4 LT	308	strip(line);
1da177e4 LT	309	if (line[0] == '?') {
66c4bd80	310	print_help(menu);
1da177e4 LT	311	continue;
	312	}
	313	if (!line[0])
	314	cnt = def;
	315	else if (isdigit(line[0]))
	316	cnt = atoi(line);
	317	else
	318	continue;
	319	break;
f443d2ec SR	320	default:
f443d2ec SR	321	break;
1da177e4 LT	322	}
	323
	324	conf_childs:
	325	for (child = menu->list; child; child = child->next) {
	326	if (!child->sym \|\| !menu_is_visible(child))
	327	continue;
	328	if (!--cnt)
	329	break;
	330	}
	331	if (!child)
	332	continue;
	333	if (line[strlen(line) - 1] == '?') {
66c4bd80	334	print_help(child);
1da177e4 LT	335	continue;
	336	}
	337	sym_set_choice_value(sym, child->sym);
f5eaa323	338	for (child = child->list; child; child = child->next) {
1da177e4	339	indent += 2;
f5eaa323	340	conf(child);
1da177e4 LT	341	indent -= 2;
	342	}
	343	return 1;
	344	}
	345	}
	346
	347	static void conf(struct menu *menu)
	348	{
	349	struct symbol *sym;
	350	struct property *prop;
	351	struct menu *child;
	352
	353	if (!menu_is_visible(menu))
	354	return;
	355
	356	sym = menu->sym;
	357	prop = menu->prompt;
	358	if (prop) {
	359	const char *prompt;
	360
	361	switch (prop->type) {
	362	case P_MENU:
	363	if (input_mode == ask_silent && rootEntry != menu) {
	364	check_conf(menu);
	365	return;
	366	}
	367	case P_COMMENT:
	368	prompt = menu_get_prompt(menu);
	369	if (prompt)
	370	printf("%c\n%c %s\n%*c\n",
	371	indent, '*',
534a450c	372	indent, '*', _(prompt),
1da177e4 LT	373	indent, '*');
	374	default:
	375	;
	376	}
	377	}
	378
	379	if (!sym)
	380	goto conf_childs;
	381
	382	if (sym_is_choice(sym)) {
	383	conf_choice(menu);
	384	if (sym->curr.tri != mod)
	385	return;
	386	goto conf_childs;
	387	}
	388
	389	switch (sym->type) {
	390	case S_INT:
	391	case S_HEX:
	392	case S_STRING:
	393	conf_string(menu);
	394	break;
	395	default:
	396	conf_sym(menu);
	397	break;
	398	}
	399
	400	conf_childs:
	401	if (sym)
	402	indent += 2;
	403	for (child = menu->list; child; child = child->next)
	404	conf(child);
	405	if (sym)
	406	indent -= 2;
	407	}
	408
	409	static void check_conf(struct menu *menu)
	410	{
	411	struct symbol *sym;
	412	struct menu *child;
	413
	414	if (!menu_is_visible(menu))
	415	return;
	416
	417	sym = menu->sym;
3f23ca2b RZ	418	if (sym && !sym_has_value(sym)) {
	419	if (sym_is_changable(sym) \|\|
	420	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
1da177e4	421	if (!conf_cnt++)
3b9fa093	422	printf(_("\n Restart config...\n*\n"));
1da177e4 LT	423	rootEntry = menu_get_parent_menu(menu);
	424	conf(rootEntry);
	425	}
1da177e4 LT	426	}
	427
	428	for (child = menu->list; child; child = child->next)
	429	check_conf(child);
	430	}
	431
	432	int main(int ac, char **av)
	433	{
2f4b489b	434	int opt;
1da177e4 LT	435	const char *name;
	436	struct stat tmpstat;
	437
534a450c EG	438	setlocale(LC_ALL, "");
	439	bindtextdomain(PACKAGE, LOCALEDIR);
	440	textdomain(PACKAGE);
	441
2f4b489b AS	442	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
2f4b489b AS	443	switch (opt) {
1da177e4	444	case 'o':
204c96f6	445	input_mode = ask_silent;
1da177e4 LT	446	break;
	447	case 's':
	448	input_mode = ask_silent;
204c96f6	449	sync_kconfig = 1;
1da177e4 LT	450	break;
	451	case 'd':
	452	input_mode = set_default;
	453	break;
	454	case 'D':
	455	input_mode = set_default;
2f4b489b	456	defconfig_file = optarg;
1da177e4 LT	457	break;
	458	case 'n':
	459	input_mode = set_no;
	460	break;
	461	case 'm':
	462	input_mode = set_mod;
	463	break;
	464	case 'y':
	465	input_mode = set_yes;
	466	break;
	467	case 'r':
b0fe5510 IM	468	{
	469	struct timeval now;
	470	unsigned int seed;
	471
	472	/*
	473	* Use microseconds derived seed,
	474	* compensate for systems where it may be zero
	475	*/
	476	gettimeofday(&now, NULL);
	477
	478	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	479	srand(seed);
	480
1da177e4	481	input_mode = set_random;
1da177e4	482	break;
b0fe5510	483	}
1da177e4	484	case 'h':
534a450c	485	printf(_("See README for usage info\n"));
1da177e4	486	exit(0);
2f4b489b AS	487	break;
2f4b489b AS	488	default:
534a450c	489	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	490	exit(1);
1da177e4 LT	491	}
1da177e4 LT	492	}
2f4b489b	493	if (ac == optind) {
3b9fa093	494	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	495	exit(1);
1da177e4	496	}
2f4b489b	497	name = av[optind];
1da177e4 LT	498	conf_parse(name);
1da177e4 LT	499	//zconfdump(stdout);
204c96f6	500	if (sync_kconfig) {
284026cd MH	501	name = conf_get_configname();
284026cd MH	502	if (stat(name, &tmpstat)) {
204c96f6	503	fprintf(stderr, _("***\n"
204c96f6	504	"*** You have not yet configured your kernel!\n"
284026cd	505	"*** (missing kernel config file \"%s\")\n"
204c96f6	506	"***\n"
	507	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	508	"*** \"make menuconfig\" or \"make xconfig\").\n"
284026cd	509	"***\n"), name);
204c96f6	510	exit(1);
	511	}
	512	}
	513
1da177e4 LT	514	switch (input_mode) {
	515	case set_default:
	516	if (!defconfig_file)
	517	defconfig_file = conf_get_default_confname();
	518	if (conf_read(defconfig_file)) {
534a450c	519	printf(_("***\n"
1da177e4	520	"*** Can't find default configuration \"%s\"!\n"
534a450c	521	"***\n"), defconfig_file);
1da177e4 LT	522	exit(1);
	523	}
	524	break;
	525	case ask_silent:
1da177e4 LT	526	case ask_all:
	527	case ask_new:
	528	conf_read(NULL);
	529	break;
90389160 RZ	530	case set_no:
	531	case set_mod:
	532	case set_yes:
	533	case set_random:
	534	name = getenv("KCONFIG_ALLCONFIG");
	535	if (name && !stat(name, &tmpstat)) {
669bfad9	536	conf_read_simple(name, S_DEF_USER);
90389160 RZ	537	break;
	538	}
	539	switch (input_mode) {
	540	case set_no: name = "allno.config"; break;
	541	case set_mod: name = "allmod.config"; break;
	542	case set_yes: name = "allyes.config"; break;
	543	case set_random: name = "allrandom.config"; break;
	544	default: break;
	545	}
	546	if (!stat(name, &tmpstat))
669bfad9	547	conf_read_simple(name, S_DEF_USER);
90389160	548	else if (!stat("all.config", &tmpstat))
669bfad9	549	conf_read_simple("all.config", S_DEF_USER);
90389160	550	break;
1da177e4 LT	551	default:
	552	break;
	553	}
204c96f6	554
	555	if (sync_kconfig) {
	556	if (conf_get_changed()) {
	557	name = getenv("KCONFIG_NOSILENTUPDATE");
	558	if (name && *name) {
	559	fprintf(stderr,
	560	_("\n*** Kernel configuration requires explicit update.\n\n"));
	561	return 1;
	562	}
	563	}
	564	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	565	}
	566
f443d2ec SR	567	switch (input_mode) {
	568	case set_no:
	569	conf_set_all_new_symbols(def_no);
	570	break;
	571	case set_yes:
	572	conf_set_all_new_symbols(def_yes);
	573	break;
	574	case set_mod:
	575	conf_set_all_new_symbols(def_mod);
	576	break;
	577	case set_random:
	578	conf_set_all_new_symbols(def_random);
	579	break;
09748e17 SR	580	case set_default:
	581	conf_set_all_new_symbols(def_default);
	582	break;
cd9140e1	583	case ask_new:
f443d2ec	584	case ask_all:
204c96f6	585	rootEntry = &rootmenu;
	586	conf(&rootmenu);
	587	input_mode = ask_silent;
	588	/* fall through */
	589	case ask_silent:
	590	/* Update until a loop caused no more changes */
	591	do {
	592	conf_cnt = 0;
	593	check_conf(&rootmenu);
	594	} while (conf_cnt);
f443d2ec SR	595	break;
f443d2ec SR	596	}
1da177e4	597
204c96f6	598	if (sync_kconfig) {
	599	/* silentoldconfig is used during the build so we shall update autoconf.
	600	* All other commands are only used to generate a config.
	601	*/
	602	if (conf_get_changed() && conf_write(NULL)) {
	603	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	604	exit(1);
	605	}
	606	if (conf_write_autoconf()) {
	607	fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
	608	return 1;
	609	}
	610	} else {
	611	if (conf_write(NULL)) {
	612	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	613	exit(1);
	614	}
c955ccaf	615	}
1da177e4 LT	616	return 0;
1da177e4 LT	617	}