[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>

#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 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 && input_mode == ask_silent) {
		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);
}

static void conf_do_update(void)
{
	/* Update until a loop caused no more changes */
	do {
		conf_cnt = 0;
		check_conf(&rootmenu);
	} while (conf_cnt);
}

static int conf_silent_update(void)
{
	const char *name;

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

static int conf_update(void)
{
	rootEntry = &rootmenu;
	conf(&rootmenu);
	if (input_mode == ask_all) {
		input_mode = ask_silent;
		valid_stdin = 1;
	}
	conf_do_update();
	return 0;
}

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_new;
			break;
		case 's':
			input_mode = ask_silent;
			valid_stdin = isatty(0) && isatty(1) && isatty(2);
			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);
	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:
		if (stat(".config", &tmpstat)) {
			printf(_("***\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);
		}
	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;
	}
	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_silent:
	case ask_new:
		if (conf_silent_update())
			exit(1);
		break;
	case ask_all:
		if (conf_update())
			exit(1);
		break;
	}

	if (conf_write(NULL)) {
		fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
		exit(1);
	}
	/* ask_silent is used during the build so we shall update autoconf.
	 * All other commands are only used to generate a config.
	 */
	if (input_mode == ask_silent && conf_write_autoconf()) {
		fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
		return 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 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;
	35	static int conf_cnt;
48b9d03c	36	static char line[128];
1da177e4 LT	37	static struct menu *rootEntry;
1da177e4 LT	38
3b9fa093	39	static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");
1da177e4	40
03d29122 SR	41	static const char get_help(struct menu menu)
	42	{
	43	if (menu_has_help(menu))
534a450c	44	return _(menu_get_help(menu));
03d29122 SR	45	else
	46	return nohelp_text;
	47	}
	48
48b9d03c	49	static void strip(char *str)
1da177e4	50	{
48b9d03c	51	char *p = str;
1da177e4 LT	52	int l;
	53
	54	while ((isspace(*p)))
	55	p++;
	56	l = strlen(p);
	57	if (p != str)
	58	memmove(str, p, l + 1);
	59	if (!l)
	60	return;
	61	p = str + l - 1;
	62	while ((isspace(*p)))
	63	*p-- = 0;
	64	}
	65
	66	static void check_stdin(void)
	67	{
	68	if (!valid_stdin && input_mode == ask_silent) {
3b9fa093 ACM	69	printf(_("aborted!\n\n"));
	70	printf(_("Console input/output is redirected. "));
	71	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	72	exit(1);
	73	}
	74	}
	75
f82f3f94	76	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	77	{
1da177e4 LT	78	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	79
1da177e4 LT	80	if (!sym_has_value(sym))
534a450c	81	printf(_("(NEW) "));
1da177e4 LT	82
	83	line[0] = '\n';
	84	line[1] = 0;
	85
	86	if (!sym_is_changable(sym)) {
	87	printf("%s\n", def);
	88	line[0] = '\n';
	89	line[1] = 0;
f82f3f94	90	return 0;
1da177e4 LT	91	}
	92
	93	switch (input_mode) {
	94	case ask_new:
	95	case ask_silent:
	96	if (sym_has_value(sym)) {
	97	printf("%s\n", def);
f82f3f94	98	return 0;
1da177e4 LT	99	}
	100	check_stdin();
	101	case ask_all:
	102	fflush(stdout);
59c6a3f4	103	fgets(line, 128, stdin);
f82f3f94	104	return 1;
1da177e4 LT	105	default:
	106	break;
	107	}
	108
	109	switch (type) {
	110	case S_INT:
	111	case S_HEX:
	112	case S_STRING:
	113	printf("%s\n", def);
f82f3f94	114	return 1;
1da177e4 LT	115	default:
	116	;
	117	}
1da177e4	118	printf("%s", line);
f82f3f94	119	return 1;
1da177e4 LT	120	}
	121
	122	int conf_string(struct menu *menu)
	123	{
	124	struct symbol *sym = menu->sym;
03d29122	125	const char *def;
1da177e4 LT	126
1da177e4 LT	127	while (1) {
534a450c	128	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	129	printf("(%s) ", sym->name);
	130	def = sym_get_string_value(sym);
	131	if (sym_get_string_value(sym))
	132	printf("[%s] ", def);
f82f3f94 RZ	133	if (!conf_askvalue(sym, def))
f82f3f94 RZ	134	return 0;
1da177e4 LT	135	switch (line[0]) {
	136	case '\n':
	137	break;
	138	case '?':
	139	/* print help */
	140	if (line[1] == '\n') {
03d29122	141	printf("\n%s\n", get_help(menu));
1da177e4 LT	142	def = NULL;
	143	break;
	144	}
	145	default:
	146	line[strlen(line)-1] = 0;
	147	def = line;
	148	}
	149	if (def && sym_set_string_value(sym, def))
	150	return 0;
	151	}
	152	}
	153
	154	static int conf_sym(struct menu *menu)
	155	{
	156	struct symbol *sym = menu->sym;
	157	int type;
	158	tristate oldval, newval;
1da177e4 LT	159
1da177e4 LT	160	while (1) {
534a450c	161	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	162	if (sym->name)
	163	printf("(%s) ", sym->name);
	164	type = sym_get_type(sym);
	165	putchar('[');
	166	oldval = sym_get_tristate_value(sym);
	167	switch (oldval) {
	168	case no:
	169	putchar('N');
	170	break;
	171	case mod:
	172	putchar('M');
	173	break;
	174	case yes:
	175	putchar('Y');
	176	break;
	177	}
	178	if (oldval != no && sym_tristate_within_range(sym, no))
	179	printf("/n");
	180	if (oldval != mod && sym_tristate_within_range(sym, mod))
	181	printf("/m");
	182	if (oldval != yes && sym_tristate_within_range(sym, yes))
	183	printf("/y");
03d29122	184	if (menu_has_help(menu))
1da177e4 LT	185	printf("/?");
1da177e4 LT	186	printf("] ");
f82f3f94 RZ	187	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	188	return 0;
1da177e4 LT	189	strip(line);
	190
	191	switch (line[0]) {
	192	case 'n':
	193	case 'N':
	194	newval = no;
	195	if (!line[1] \|\| !strcmp(&line[1], "o"))
	196	break;
	197	continue;
	198	case 'm':
	199	case 'M':
	200	newval = mod;
	201	if (!line[1])
	202	break;
	203	continue;
	204	case 'y':
	205	case 'Y':
	206	newval = yes;
	207	if (!line[1] \|\| !strcmp(&line[1], "es"))
	208	break;
	209	continue;
	210	case 0:
	211	newval = oldval;
	212	break;
	213	case '?':
	214	goto help;
	215	default:
	216	continue;
	217	}
	218	if (sym_set_tristate_value(sym, newval))
	219	return 0;
	220	help:
03d29122	221	printf("\n%s\n", get_help(menu));
1da177e4 LT	222	}
	223	}
	224
	225	static int conf_choice(struct menu *menu)
	226	{
	227	struct symbol sym, def_sym;
	228	struct menu *child;
	229	int type;
	230	bool is_new;
	231
	232	sym = menu->sym;
	233	type = sym_get_type(sym);
	234	is_new = !sym_has_value(sym);
	235	if (sym_is_changable(sym)) {
	236	conf_sym(menu);
	237	sym_calc_value(sym);
	238	switch (sym_get_tristate_value(sym)) {
	239	case no:
	240	return 1;
	241	case mod:
	242	return 0;
	243	case yes:
	244	break;
	245	}
	246	} else {
	247	switch (sym_get_tristate_value(sym)) {
	248	case no:
	249	return 1;
	250	case mod:
534a450c	251	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	252	return 0;
	253	case yes:
	254	break;
	255	}
	256	}
	257
	258	while (1) {
	259	int cnt, def;
	260
534a450c	261	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	262	def_sym = sym_get_choice_value(sym);
1da177e4 LT	263	cnt = def = 0;
40aee729	264	line[0] = 0;
1da177e4 LT	265	for (child = menu->list; child; child = child->next) {
	266	if (!menu_is_visible(child))
	267	continue;
	268	if (!child->sym) {
534a450c	269	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	270	continue;
	271	}
	272	cnt++;
	273	if (child->sym == def_sym) {
	274	def = cnt;
	275	printf("%*c", indent, '>');
	276	} else
	277	printf("%*c", indent, ' ');
534a450c	278	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	279	if (child->sym->name)
	280	printf(" (%s)", child->sym->name);
	281	if (!sym_has_value(child->sym))
534a450c	282	printf(_(" (NEW)"));
1da177e4 LT	283	printf("\n");
1da177e4 LT	284	}
534a450c	285	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	286	if (cnt == 1) {
	287	printf("[1]: 1\n");
	288	goto conf_childs;
	289	}
	290	printf("[1-%d", cnt);
03d29122	291	if (menu_has_help(menu))
1da177e4 LT	292	printf("?");
	293	printf("]: ");
	294	switch (input_mode) {
	295	case ask_new:
	296	case ask_silent:
	297	if (!is_new) {
	298	cnt = def;
	299	printf("%d\n", cnt);
	300	break;
	301	}
	302	check_stdin();
	303	case ask_all:
	304	fflush(stdout);
59c6a3f4	305	fgets(line, 128, stdin);
1da177e4 LT	306	strip(line);
1da177e4 LT	307	if (line[0] == '?') {
03d29122	308	printf("\n%s\n", get_help(menu));
1da177e4 LT	309	continue;
	310	}
	311	if (!line[0])
	312	cnt = def;
	313	else if (isdigit(line[0]))
	314	cnt = atoi(line);
	315	else
	316	continue;
	317	break;
f443d2ec SR	318	default:
f443d2ec SR	319	break;
1da177e4 LT	320	}
	321
	322	conf_childs:
	323	for (child = menu->list; child; child = child->next) {
	324	if (!child->sym \|\| !menu_is_visible(child))
	325	continue;
	326	if (!--cnt)
	327	break;
	328	}
	329	if (!child)
	330	continue;
	331	if (line[strlen(line) - 1] == '?') {
03d29122	332	printf("\n%s\n", get_help(child));
1da177e4 LT	333	continue;
	334	}
	335	sym_set_choice_value(sym, child->sym);
f5eaa323	336	for (child = child->list; child; child = child->next) {
1da177e4	337	indent += 2;
f5eaa323	338	conf(child);
1da177e4 LT	339	indent -= 2;
	340	}
	341	return 1;
	342	}
	343	}
	344
	345	static void conf(struct menu *menu)
	346	{
	347	struct symbol *sym;
	348	struct property *prop;
	349	struct menu *child;
	350
	351	if (!menu_is_visible(menu))
	352	return;
	353
	354	sym = menu->sym;
	355	prop = menu->prompt;
	356	if (prop) {
	357	const char *prompt;
	358
	359	switch (prop->type) {
	360	case P_MENU:
	361	if (input_mode == ask_silent && rootEntry != menu) {
	362	check_conf(menu);
	363	return;
	364	}
	365	case P_COMMENT:
	366	prompt = menu_get_prompt(menu);
	367	if (prompt)
	368	printf("%c\n%c %s\n%*c\n",
	369	indent, '*',
534a450c	370	indent, '*', _(prompt),
1da177e4 LT	371	indent, '*');
	372	default:
	373	;
	374	}
	375	}
	376
	377	if (!sym)
	378	goto conf_childs;
	379
	380	if (sym_is_choice(sym)) {
	381	conf_choice(menu);
	382	if (sym->curr.tri != mod)
	383	return;
	384	goto conf_childs;
	385	}
	386
	387	switch (sym->type) {
	388	case S_INT:
	389	case S_HEX:
	390	case S_STRING:
	391	conf_string(menu);
	392	break;
	393	default:
	394	conf_sym(menu);
	395	break;
	396	}
	397
	398	conf_childs:
	399	if (sym)
	400	indent += 2;
	401	for (child = menu->list; child; child = child->next)
	402	conf(child);
	403	if (sym)
	404	indent -= 2;
	405	}
	406
	407	static void check_conf(struct menu *menu)
	408	{
	409	struct symbol *sym;
	410	struct menu *child;
	411
	412	if (!menu_is_visible(menu))
	413	return;
	414
	415	sym = menu->sym;
3f23ca2b RZ	416	if (sym && !sym_has_value(sym)) {
	417	if (sym_is_changable(sym) \|\|
	418	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
1da177e4	419	if (!conf_cnt++)
3b9fa093	420	printf(_("\n Restart config...\n*\n"));
1da177e4 LT	421	rootEntry = menu_get_parent_menu(menu);
	422	conf(rootEntry);
	423	}
1da177e4 LT	424	}
	425
	426	for (child = menu->list; child; child = child->next)
	427	check_conf(child);
	428	}
	429
f443d2ec SR	430	static void conf_do_update(void)
	431	{
	432	/* Update until a loop caused no more changes */
	433	do {
	434	conf_cnt = 0;
	435	check_conf(&rootmenu);
	436	} while (conf_cnt);
	437	}
	438
	439	static int conf_silent_update(void)
	440	{
	441	const char *name;
	442
	443	if (conf_get_changed()) {
	444	name = getenv("KCONFIG_NOSILENTUPDATE");
	445	if (name && *name) {
	446	fprintf(stderr,
	447	_("\n*** Kernel configuration requires explicit update.\n\n"));
	448	return 1;
	449	}
	450	conf_do_update();
	451	}
	452	return 0;
	453	}
	454
	455	static int conf_update(void)
	456	{
	457	rootEntry = &rootmenu;
	458	conf(&rootmenu);
	459	if (input_mode == ask_all) {
	460	input_mode = ask_silent;
	461	valid_stdin = 1;
	462	}
	463	conf_do_update();
	464	return 0;
	465	}
	466
1da177e4 LT	467	int main(int ac, char **av)
1da177e4 LT	468	{
2f4b489b	469	int opt;
1da177e4 LT	470	const char *name;
	471	struct stat tmpstat;
	472
534a450c EG	473	setlocale(LC_ALL, "");
	474	bindtextdomain(PACKAGE, LOCALEDIR);
	475	textdomain(PACKAGE);
	476
2f4b489b AS	477	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
2f4b489b AS	478	switch (opt) {
1da177e4 LT	479	case 'o':
	480	input_mode = ask_new;
	481	break;
	482	case 's':
	483	input_mode = ask_silent;
	484	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	485	break;
	486	case 'd':
	487	input_mode = set_default;
	488	break;
	489	case 'D':
	490	input_mode = set_default;
2f4b489b	491	defconfig_file = optarg;
1da177e4 LT	492	break;
	493	case 'n':
	494	input_mode = set_no;
	495	break;
	496	case 'm':
	497	input_mode = set_mod;
	498	break;
	499	case 'y':
	500	input_mode = set_yes;
	501	break;
	502	case 'r':
	503	input_mode = set_random;
07f76688	504	srand(time(NULL));
1da177e4 LT	505	break;
1da177e4 LT	506	case 'h':
534a450c	507	printf(_("See README for usage info\n"));
1da177e4	508	exit(0);
2f4b489b AS	509	break;
2f4b489b AS	510	default:
534a450c	511	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	512	exit(1);
1da177e4 LT	513	}
1da177e4 LT	514	}
2f4b489b	515	if (ac == optind) {
3b9fa093	516	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	517	exit(1);
1da177e4	518	}
2f4b489b	519	name = av[optind];
1da177e4 LT	520	conf_parse(name);
	521	//zconfdump(stdout);
	522	switch (input_mode) {
	523	case set_default:
	524	if (!defconfig_file)
	525	defconfig_file = conf_get_default_confname();
	526	if (conf_read(defconfig_file)) {
534a450c	527	printf(_("***\n"
1da177e4	528	"*** Can't find default configuration \"%s\"!\n"
534a450c	529	"***\n"), defconfig_file);
1da177e4 LT	530	exit(1);
	531	}
	532	break;
	533	case ask_silent:
	534	if (stat(".config", &tmpstat)) {
3b9fa093	535	printf(_("***\n"
1da177e4	536	"*** You have not yet configured your kernel!\n"
7ac1c145	537	"*** (missing kernel .config file)\n"
1da177e4 LT	538	"***\n"
	539	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	540	"*** \"make menuconfig\" or \"make xconfig\").\n"
3b9fa093	541	"***\n"));
1da177e4 LT	542	exit(1);
	543	}
	544	case ask_all:
	545	case ask_new:
	546	conf_read(NULL);
	547	break;
90389160 RZ	548	case set_no:
	549	case set_mod:
	550	case set_yes:
	551	case set_random:
	552	name = getenv("KCONFIG_ALLCONFIG");
	553	if (name && !stat(name, &tmpstat)) {
669bfad9	554	conf_read_simple(name, S_DEF_USER);
90389160 RZ	555	break;
	556	}
	557	switch (input_mode) {
	558	case set_no: name = "allno.config"; break;
	559	case set_mod: name = "allmod.config"; break;
	560	case set_yes: name = "allyes.config"; break;
	561	case set_random: name = "allrandom.config"; break;
	562	default: break;
	563	}
	564	if (!stat(name, &tmpstat))
669bfad9	565	conf_read_simple(name, S_DEF_USER);
90389160	566	else if (!stat("all.config", &tmpstat))
669bfad9	567	conf_read_simple("all.config", S_DEF_USER);
90389160	568	break;
1da177e4 LT	569	default:
	570	break;
	571	}
f443d2ec SR	572	switch (input_mode) {
	573	case set_no:
	574	conf_set_all_new_symbols(def_no);
	575	break;
	576	case set_yes:
	577	conf_set_all_new_symbols(def_yes);
	578	break;
	579	case set_mod:
	580	conf_set_all_new_symbols(def_mod);
	581	break;
	582	case set_random:
	583	conf_set_all_new_symbols(def_random);
	584	break;
09748e17 SR	585	case set_default:
	586	conf_set_all_new_symbols(def_default);
	587	break;
f443d2ec	588	case ask_silent:
cd9140e1	589	case ask_new:
f443d2ec SR	590	if (conf_silent_update())
	591	exit(1);
	592	break;
f443d2ec	593	case ask_all:
f443d2ec SR	594	if (conf_update())
	595	exit(1);
	596	break;
	597	}
1da177e4	598
22127f24	599	if (conf_write(NULL)) {
3b9fa093	600	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
f443d2ec	601	exit(1);
1da177e4	602	}
f443d2ec SR	603	/* ask_silent is used during the build so we shall update autoconf.
	604	* All other commands are only used to generate a config.
	605	*/
c955ccaf RZ	606	if (input_mode == ask_silent && conf_write_autoconf()) {
	607	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	608	return 1;
	609	}
1da177e4 LT	610	return 0;
1da177e4 LT	611	}