[linux.git] / scripts / kconfig / conf.c

/*
 * Copyright (C) 2002 Roman Zippel <[email protected]>
 * 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>

#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 char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");

static const char *get_help(struct menu *menu)
{
	if (menu_has_help(menu))
		return _(menu_get_help(menu));
	else
		return nohelp_text;
}

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') {
				printf("\n%s\n", get_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:
		printf("\n%s\n", get_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] == '?') {
				printf("\n%s\n", get_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] == '?') {
			printf("\n%s\n", get_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':
			input_mode = set_random;
			srand(time(NULL));
			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) {
		if (stat(".config", &tmpstat)) {
			fprintf(stderr, _("***\n"
				"*** You have not yet configured your kernel!\n"
				"*** (missing kernel .config file)\n"
				"***\n"
				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
				"*** \"make menuconfig\" or \"make xconfig\").\n"
				"***\n"));
			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 <[email protected]>
	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 LT	13	#include <sys/stat.h>
	14
	15	#define LKC_DIRECT_LINK
	16	#include "lkc.h"
	17
	18	static void conf(struct menu *menu);
	19	static void check_conf(struct menu *menu);
	20
	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;
	32
	33	static int indent = 1;
	34	static int valid_stdin = 1;
204c96f6	35	static int sync_kconfig;
1da177e4	36	static int conf_cnt;
48b9d03c	37	static char line[128];
1da177e4 LT	38	static struct menu *rootEntry;
1da177e4 LT	39
3b9fa093	40	static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");
1da177e4	41
03d29122 SR	42	static const char get_help(struct menu menu)
	43	{
	44	if (menu_has_help(menu))
534a450c	45	return _(menu_get_help(menu));
03d29122 SR	46	else
	47	return nohelp_text;
	48	}
	49
48b9d03c	50	static void strip(char *str)
1da177e4	51	{
48b9d03c	52	char *p = str;
1da177e4 LT	53	int l;
	54
	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;
	65	}
	66
	67	static void check_stdin(void)
	68	{
204c96f6	69	if (!valid_stdin) {
3b9fa093 ACM	70	printf(_("aborted!\n\n"));
	71	printf(_("Console input/output is redirected. "));
	72	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	73	exit(1);
	74	}
	75	}
	76
f82f3f94	77	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	78	{
1da177e4 LT	79	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	80
1da177e4 LT	81	if (!sym_has_value(sym))
534a450c	82	printf(_("(NEW) "));
1da177e4 LT	83
	84	line[0] = '\n';
	85	line[1] = 0;
	86
	87	if (!sym_is_changable(sym)) {
	88	printf("%s\n", def);
	89	line[0] = '\n';
	90	line[1] = 0;
f82f3f94	91	return 0;
1da177e4 LT	92	}
	93
	94	switch (input_mode) {
	95	case ask_new:
	96	case ask_silent:
	97	if (sym_has_value(sym)) {
	98	printf("%s\n", def);
f82f3f94	99	return 0;
1da177e4 LT	100	}
	101	check_stdin();
	102	case ask_all:
	103	fflush(stdout);
59c6a3f4	104	fgets(line, 128, stdin);
f82f3f94	105	return 1;
1da177e4 LT	106	default:
	107	break;
	108	}
	109
	110	switch (type) {
	111	case S_INT:
	112	case S_HEX:
	113	case S_STRING:
	114	printf("%s\n", def);
f82f3f94	115	return 1;
1da177e4 LT	116	default:
	117	;
	118	}
1da177e4	119	printf("%s", line);
f82f3f94	120	return 1;
1da177e4 LT	121	}
	122
	123	int conf_string(struct menu *menu)
	124	{
	125	struct symbol *sym = menu->sym;
03d29122	126	const char *def;
1da177e4 LT	127
1da177e4 LT	128	while (1) {
534a450c	129	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	130	printf("(%s) ", sym->name);
	131	def = sym_get_string_value(sym);
	132	if (sym_get_string_value(sym))
	133	printf("[%s] ", def);
f82f3f94 RZ	134	if (!conf_askvalue(sym, def))
f82f3f94 RZ	135	return 0;
1da177e4 LT	136	switch (line[0]) {
	137	case '\n':
	138	break;
	139	case '?':
	140	/* print help */
	141	if (line[1] == '\n') {
03d29122	142	printf("\n%s\n", get_help(menu));
1da177e4 LT	143	def = NULL;
	144	break;
	145	}
	146	default:
	147	line[strlen(line)-1] = 0;
	148	def = line;
	149	}
	150	if (def && sym_set_string_value(sym, def))
	151	return 0;
	152	}
	153	}
	154
	155	static int conf_sym(struct menu *menu)
	156	{
	157	struct symbol *sym = menu->sym;
	158	int type;
	159	tristate oldval, newval;
1da177e4 LT	160
1da177e4 LT	161	while (1) {
534a450c	162	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	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;
	178	}
	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");
03d29122	185	if (menu_has_help(menu))
1da177e4 LT	186	printf("/?");
1da177e4 LT	187	printf("] ");
f82f3f94 RZ	188	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	189	return 0;
1da177e4 LT	190	strip(line);
	191
	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;
	218	}
	219	if (sym_set_tristate_value(sym, newval))
	220	return 0;
	221	help:
03d29122	222	printf("\n%s\n", get_help(menu));
1da177e4 LT	223	}
	224	}
	225
	226	static int conf_choice(struct menu *menu)
	227	{
	228	struct symbol sym, def_sym;
	229	struct menu *child;
	230	int type;
	231	bool is_new;
	232
	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;
	246	}
	247	} else {
	248	switch (sym_get_tristate_value(sym)) {
	249	case no:
	250	return 1;
	251	case mod:
534a450c	252	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	253	return 0;
	254	case yes:
	255	break;
	256	}
	257	}
	258
	259	while (1) {
	260	int cnt, def;
	261
534a450c	262	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	263	def_sym = sym_get_choice_value(sym);
1da177e4 LT	264	cnt = def = 0;
40aee729	265	line[0] = 0;
1da177e4 LT	266	for (child = menu->list; child; child = child->next) {
	267	if (!menu_is_visible(child))
	268	continue;
	269	if (!child->sym) {
534a450c	270	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	271	continue;
	272	}
	273	cnt++;
	274	if (child->sym == def_sym) {
	275	def = cnt;
	276	printf("%*c", indent, '>');
	277	} else
	278	printf("%*c", indent, ' ');
534a450c	279	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	280	if (child->sym->name)
	281	printf(" (%s)", child->sym->name);
	282	if (!sym_has_value(child->sym))
534a450c	283	printf(_(" (NEW)"));
1da177e4 LT	284	printf("\n");
1da177e4 LT	285	}
534a450c	286	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	287	if (cnt == 1) {
	288	printf("[1]: 1\n");
	289	goto conf_childs;
	290	}
	291	printf("[1-%d", cnt);
03d29122	292	if (menu_has_help(menu))
1da177e4 LT	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;
	302	}
	303	check_stdin();
	304	case ask_all:
	305	fflush(stdout);
59c6a3f4	306	fgets(line, 128, stdin);
1da177e4 LT	307	strip(line);
1da177e4 LT	308	if (line[0] == '?') {
03d29122	309	printf("\n%s\n", get_help(menu));
1da177e4 LT	310	continue;
	311	}
	312	if (!line[0])
	313	cnt = def;
	314	else if (isdigit(line[0]))
	315	cnt = atoi(line);
	316	else
	317	continue;
	318	break;
f443d2ec SR	319	default:
f443d2ec SR	320	break;
1da177e4 LT	321	}
	322
	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;
	329	}
	330	if (!child)
	331	continue;
	332	if (line[strlen(line) - 1] == '?') {
03d29122	333	printf("\n%s\n", get_help(child));
1da177e4 LT	334	continue;
	335	}
	336	sym_set_choice_value(sym, child->sym);
f5eaa323	337	for (child = child->list; child; child = child->next) {
1da177e4	338	indent += 2;
f5eaa323	339	conf(child);
1da177e4 LT	340	indent -= 2;
	341	}
	342	return 1;
	343	}
	344	}
	345
	346	static void conf(struct menu *menu)
	347	{
	348	struct symbol *sym;
	349	struct property *prop;
	350	struct menu *child;
	351
	352	if (!menu_is_visible(menu))
	353	return;
	354
	355	sym = menu->sym;
	356	prop = menu->prompt;
	357	if (prop) {
	358	const char *prompt;
	359
	360	switch (prop->type) {
	361	case P_MENU:
	362	if (input_mode == ask_silent && rootEntry != menu) {
	363	check_conf(menu);
	364	return;
	365	}
	366	case P_COMMENT:
	367	prompt = menu_get_prompt(menu);
	368	if (prompt)
	369	printf("%c\n%c %s\n%*c\n",
	370	indent, '*',
534a450c	371	indent, '*', _(prompt),
1da177e4 LT	372	indent, '*');
	373	default:
	374	;
	375	}
	376	}
	377
	378	if (!sym)
	379	goto conf_childs;
	380
	381	if (sym_is_choice(sym)) {
	382	conf_choice(menu);
	383	if (sym->curr.tri != mod)
	384	return;
	385	goto conf_childs;
	386	}
	387
	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;
	397	}
	398
	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;
	406	}
	407
	408	static void check_conf(struct menu *menu)
	409	{
	410	struct symbol *sym;
	411	struct menu *child;
	412
	413	if (!menu_is_visible(menu))
	414	return;
	415
	416	sym = menu->sym;
3f23ca2b RZ	417	if (sym && !sym_has_value(sym)) {
	418	if (sym_is_changable(sym) \|\|
	419	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
1da177e4	420	if (!conf_cnt++)
3b9fa093	421	printf(_("\n Restart config...\n*\n"));
1da177e4 LT	422	rootEntry = menu_get_parent_menu(menu);
	423	conf(rootEntry);
	424	}
1da177e4 LT	425	}
	426
	427	for (child = menu->list; child; child = child->next)
	428	check_conf(child);
	429	}
	430
	431	int main(int ac, char **av)
	432	{
2f4b489b	433	int opt;
1da177e4 LT	434	const char *name;
	435	struct stat tmpstat;
	436
534a450c EG	437	setlocale(LC_ALL, "");
	438	bindtextdomain(PACKAGE, LOCALEDIR);
	439	textdomain(PACKAGE);
	440
2f4b489b AS	441	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
2f4b489b AS	442	switch (opt) {
1da177e4	443	case 'o':
204c96f6	444	input_mode = ask_silent;
1da177e4 LT	445	break;
	446	case 's':
	447	input_mode = ask_silent;
204c96f6	448	sync_kconfig = 1;
1da177e4 LT	449	break;
	450	case 'd':
	451	input_mode = set_default;
	452	break;
	453	case 'D':
	454	input_mode = set_default;
2f4b489b	455	defconfig_file = optarg;
1da177e4 LT	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;
07f76688	468	srand(time(NULL));
1da177e4 LT	469	break;
1da177e4 LT	470	case 'h':
534a450c	471	printf(_("See README for usage info\n"));
1da177e4	472	exit(0);
2f4b489b AS	473	break;
2f4b489b AS	474	default:
534a450c	475	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	476	exit(1);
1da177e4 LT	477	}
1da177e4 LT	478	}
2f4b489b	479	if (ac == optind) {
3b9fa093	480	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	481	exit(1);
1da177e4	482	}
2f4b489b	483	name = av[optind];
1da177e4 LT	484	conf_parse(name);
1da177e4 LT	485	//zconfdump(stdout);
204c96f6	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);
	496	}
	497	}
	498
1da177e4 LT	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)) {
534a450c	504	printf(_("***\n"
1da177e4	505	"*** Can't find default configuration \"%s\"!\n"
534a450c	506	"***\n"), defconfig_file);
1da177e4 LT	507	exit(1);
	508	}
	509	break;
	510	case ask_silent:
1da177e4 LT	511	case ask_all:
	512	case ask_new:
	513	conf_read(NULL);
	514	break;
90389160 RZ	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)) {
669bfad9	521	conf_read_simple(name, S_DEF_USER);
90389160 RZ	522	break;
	523	}
	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;
	530	}
	531	if (!stat(name, &tmpstat))
669bfad9	532	conf_read_simple(name, S_DEF_USER);
90389160	533	else if (!stat("all.config", &tmpstat))
669bfad9	534	conf_read_simple("all.config", S_DEF_USER);
90389160	535	break;
1da177e4 LT	536	default:
	537	break;
	538	}
204c96f6	539
	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;
	547	}
	548	}
	549	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	550	}
	551
f443d2ec SR	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;
09748e17 SR	565	case set_default:
	566	conf_set_all_new_symbols(def_default);
	567	break;
cd9140e1	568	case ask_new:
f443d2ec	569	case ask_all:
204c96f6	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);
f443d2ec SR	580	break;
f443d2ec SR	581	}
1da177e4	582
204c96f6	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.
	586	*/
	587	if (conf_get_changed() && conf_write(NULL)) {
	588	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	589	exit(1);
	590	}
	591	if (conf_write_autoconf()) {
	592	fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
	593	return 1;
	594	}
	595	} else {
	596	if (conf_write(NULL)) {
	597	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	598	exit(1);
	599	}
c955ccaf	600	}
1da177e4 LT	601	return 0;
1da177e4 LT	602	}