[linux-block.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 <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.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);
	tristate val;

	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 set_no:
	case set_mod:
	case set_yes:
	case set_random:
		if (sym_has_value(sym)) {
			printf("%s\n", def);
			return 0;
		}
		break;
	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;
	case set_default:
		printf("%s\n", def);
		return 1;
	default:
		break;
	}

	switch (type) {
	case S_INT:
	case S_HEX:
	case S_STRING:
		printf("%s\n", def);
		return 1;
	default:
		;
	}
	switch (input_mode) {
	case set_yes:
		if (sym_tristate_within_range(sym, yes)) {
			line[0] = 'y';
			line[1] = '\n';
			line[2] = 0;
			break;
		}
	case set_mod:
		if (type == S_TRISTATE) {
			if (sym_tristate_within_range(sym, mod)) {
				line[0] = 'm';
				line[1] = '\n';
				line[2] = 0;
				break;
			}
		} else {
			if (sym_tristate_within_range(sym, yes)) {
				line[0] = 'y';
				line[1] = '\n';
				line[2] = 0;
				break;
			}
		}
	case set_no:
		if (sym_tristate_within_range(sym, no)) {
			line[0] = 'n';
			line[1] = '\n';
			line[2] = 0;
			break;
		}
	case set_random:
		do {
			val = (tristate)(random() % 3);
		} while (!sym_tristate_within_range(sym, val));
		switch (val) {
		case no: line[0] = 'n'; break;
		case mod: line[0] = 'm'; break;
		case yes: line[0] = 'y'; break;
		}
		line[1] = '\n';
		line[2] = 0;
		break;
	default:
		break;
	}
	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;
		case set_random:
			def = (random() % cnt) + 1;
		case set_default:
		case set_yes:
		case set_mod:
		case set_no:
			cnt = def;
			printf("%d\n", cnt);
			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);
		if (child->list) {
			indent += 2;
			conf(child->list);
			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 i = 1;
	const char *name;
	struct stat tmpstat;

	if (ac > i && av[i][0] == '-') {
		switch (av[i++][1]) {
		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 = av[i++];
			if (!defconfig_file) {
				printf(_("%s: No default config file specified\n"),
					av[0]);
				exit(1);
			}
			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;
			srandom(time(NULL));
			break;
		case 'h':
		case '?':
			fprintf(stderr, "See README for usage info\n");
			exit(0);
		}
	}
  	name = av[i];
	if (!name) {
		printf(_("%s: Kconfig file missing\n"), av[0]);
		exit(1);
	}
	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;
	}

	if (input_mode != ask_silent) {
		rootEntry = &rootmenu;
		conf(&rootmenu);
		if (input_mode == ask_all) {
			input_mode = ask_silent;
			valid_stdin = 1;
		}
	} else if (conf_get_changed()) {
		name = getenv("KCONFIG_NOSILENTUPDATE");
		if (name && *name) {
			fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n"));
			return 1;
		}
	} else
		goto skip_check;

	do {
		conf_cnt = 0;
		check_conf(&rootmenu);
	} while (conf_cnt);
	if (conf_write(NULL)) {
		fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
		return 1;
	}
skip_check:
	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
	6	#include <ctype.h>
	7	#include <stdlib.h>
9dfb563b	8	#include <stdio.h>
1da177e4 LT	9	#include <string.h>
	10	#include <unistd.h>
	11	#include <time.h>
	12	#include <sys/stat.h>
	13
	14	#define LKC_DIRECT_LINK
	15	#include "lkc.h"
	16
	17	static void conf(struct menu *menu);
	18	static void check_conf(struct menu *menu);
	19
	20	enum {
	21	ask_all,
	22	ask_new,
	23	ask_silent,
	24	set_default,
	25	set_yes,
	26	set_mod,
	27	set_no,
	28	set_random
	29	} input_mode = ask_all;
	30	char *defconfig_file;
	31
	32	static int indent = 1;
	33	static int valid_stdin = 1;
	34	static int conf_cnt;
48b9d03c	35	static char line[128];
1da177e4 LT	36	static struct menu *rootEntry;
1da177e4 LT	37
3b9fa093	38	static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");
1da177e4	39
03d29122 SR	40	static const char get_help(struct menu menu)
	41	{
	42	if (menu_has_help(menu))
	43	return menu_get_help(menu);
	44	else
	45	return nohelp_text;
	46	}
	47
48b9d03c	48	static void strip(char *str)
1da177e4	49	{
48b9d03c	50	char *p = str;
1da177e4 LT	51	int l;
	52
	53	while ((isspace(*p)))
	54	p++;
	55	l = strlen(p);
	56	if (p != str)
	57	memmove(str, p, l + 1);
	58	if (!l)
	59	return;
	60	p = str + l - 1;
	61	while ((isspace(*p)))
	62	*p-- = 0;
	63	}
	64
	65	static void check_stdin(void)
	66	{
	67	if (!valid_stdin && input_mode == ask_silent) {
3b9fa093 ACM	68	printf(_("aborted!\n\n"));
	69	printf(_("Console input/output is redirected. "));
	70	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	71	exit(1);
	72	}
	73	}
	74
f82f3f94	75	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	76	{
	77	enum symbol_type type = sym_get_type(sym);
	78	tristate val;
	79
	80	if (!sym_has_value(sym))
	81	printf("(NEW) ");
	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) {
90389160 RZ	94	case set_no:
	95	case set_mod:
	96	case set_yes:
	97	case set_random:
	98	if (sym_has_value(sym)) {
	99	printf("%s\n", def);
f82f3f94	100	return 0;
90389160 RZ	101	}
90389160 RZ	102	break;
1da177e4 LT	103	case ask_new:
	104	case ask_silent:
	105	if (sym_has_value(sym)) {
	106	printf("%s\n", def);
f82f3f94	107	return 0;
1da177e4 LT	108	}
	109	check_stdin();
	110	case ask_all:
	111	fflush(stdout);
59c6a3f4	112	fgets(line, 128, stdin);
f82f3f94	113	return 1;
1da177e4 LT	114	case set_default:
1da177e4 LT	115	printf("%s\n", def);
f82f3f94	116	return 1;
1da177e4 LT	117	default:
	118	break;
	119	}
	120
	121	switch (type) {
	122	case S_INT:
	123	case S_HEX:
	124	case S_STRING:
	125	printf("%s\n", def);
f82f3f94	126	return 1;
1da177e4 LT	127	default:
	128	;
	129	}
	130	switch (input_mode) {
	131	case set_yes:
	132	if (sym_tristate_within_range(sym, yes)) {
	133	line[0] = 'y';
	134	line[1] = '\n';
	135	line[2] = 0;
	136	break;
	137	}
	138	case set_mod:
	139	if (type == S_TRISTATE) {
	140	if (sym_tristate_within_range(sym, mod)) {
	141	line[0] = 'm';
	142	line[1] = '\n';
	143	line[2] = 0;
	144	break;
	145	}
	146	} else {
	147	if (sym_tristate_within_range(sym, yes)) {
	148	line[0] = 'y';
	149	line[1] = '\n';
	150	line[2] = 0;
	151	break;
	152	}
	153	}
	154	case set_no:
	155	if (sym_tristate_within_range(sym, no)) {
	156	line[0] = 'n';
	157	line[1] = '\n';
	158	line[2] = 0;
	159	break;
	160	}
	161	case set_random:
	162	do {
	163	val = (tristate)(random() % 3);
	164	} while (!sym_tristate_within_range(sym, val));
	165	switch (val) {
	166	case no: line[0] = 'n'; break;
	167	case mod: line[0] = 'm'; break;
	168	case yes: line[0] = 'y'; break;
	169	}
	170	line[1] = '\n';
	171	line[2] = 0;
	172	break;
	173	default:
	174	break;
	175	}
	176	printf("%s", line);
f82f3f94	177	return 1;
1da177e4 LT	178	}
	179
	180	int conf_string(struct menu *menu)
	181	{
	182	struct symbol *sym = menu->sym;
03d29122	183	const char *def;
1da177e4 LT	184
	185	while (1) {
	186	printf("%*s%s ", indent - 1, "", menu->prompt->text);
	187	printf("(%s) ", sym->name);
	188	def = sym_get_string_value(sym);
	189	if (sym_get_string_value(sym))
	190	printf("[%s] ", def);
f82f3f94 RZ	191	if (!conf_askvalue(sym, def))
f82f3f94 RZ	192	return 0;
1da177e4 LT	193	switch (line[0]) {
	194	case '\n':
	195	break;
	196	case '?':
	197	/* print help */
	198	if (line[1] == '\n') {
03d29122	199	printf("\n%s\n", get_help(menu));
1da177e4 LT	200	def = NULL;
	201	break;
	202	}
	203	default:
	204	line[strlen(line)-1] = 0;
	205	def = line;
	206	}
	207	if (def && sym_set_string_value(sym, def))
	208	return 0;
	209	}
	210	}
	211
	212	static int conf_sym(struct menu *menu)
	213	{
	214	struct symbol *sym = menu->sym;
	215	int type;
	216	tristate oldval, newval;
1da177e4 LT	217
	218	while (1) {
	219	printf("%*s%s ", indent - 1, "", menu->prompt->text);
	220	if (sym->name)
	221	printf("(%s) ", sym->name);
	222	type = sym_get_type(sym);
	223	putchar('[');
	224	oldval = sym_get_tristate_value(sym);
	225	switch (oldval) {
	226	case no:
	227	putchar('N');
	228	break;
	229	case mod:
	230	putchar('M');
	231	break;
	232	case yes:
	233	putchar('Y');
	234	break;
	235	}
	236	if (oldval != no && sym_tristate_within_range(sym, no))
	237	printf("/n");
	238	if (oldval != mod && sym_tristate_within_range(sym, mod))
	239	printf("/m");
	240	if (oldval != yes && sym_tristate_within_range(sym, yes))
	241	printf("/y");
03d29122	242	if (menu_has_help(menu))
1da177e4 LT	243	printf("/?");
1da177e4 LT	244	printf("] ");
f82f3f94 RZ	245	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	246	return 0;
1da177e4 LT	247	strip(line);
	248
	249	switch (line[0]) {
	250	case 'n':
	251	case 'N':
	252	newval = no;
	253	if (!line[1] \|\| !strcmp(&line[1], "o"))
	254	break;
	255	continue;
	256	case 'm':
	257	case 'M':
	258	newval = mod;
	259	if (!line[1])
	260	break;
	261	continue;
	262	case 'y':
	263	case 'Y':
	264	newval = yes;
	265	if (!line[1] \|\| !strcmp(&line[1], "es"))
	266	break;
	267	continue;
	268	case 0:
	269	newval = oldval;
	270	break;
	271	case '?':
	272	goto help;
	273	default:
	274	continue;
	275	}
	276	if (sym_set_tristate_value(sym, newval))
	277	return 0;
	278	help:
03d29122	279	printf("\n%s\n", get_help(menu));
1da177e4 LT	280	}
	281	}
	282
	283	static int conf_choice(struct menu *menu)
	284	{
	285	struct symbol sym, def_sym;
	286	struct menu *child;
	287	int type;
	288	bool is_new;
	289
	290	sym = menu->sym;
	291	type = sym_get_type(sym);
	292	is_new = !sym_has_value(sym);
	293	if (sym_is_changable(sym)) {
	294	conf_sym(menu);
	295	sym_calc_value(sym);
	296	switch (sym_get_tristate_value(sym)) {
	297	case no:
	298	return 1;
	299	case mod:
	300	return 0;
	301	case yes:
	302	break;
	303	}
	304	} else {
	305	switch (sym_get_tristate_value(sym)) {
	306	case no:
	307	return 1;
	308	case mod:
	309	printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
	310	return 0;
	311	case yes:
	312	break;
	313	}
	314	}
	315
	316	while (1) {
	317	int cnt, def;
	318
	319	printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
	320	def_sym = sym_get_choice_value(sym);
	321	cnt = def = 0;
40aee729	322	line[0] = 0;
1da177e4 LT	323	for (child = menu->list; child; child = child->next) {
	324	if (!menu_is_visible(child))
	325	continue;
	326	if (!child->sym) {
	327	printf("%c %s\n", indent, '', menu_get_prompt(child));
	328	continue;
	329	}
	330	cnt++;
	331	if (child->sym == def_sym) {
	332	def = cnt;
	333	printf("%*c", indent, '>');
	334	} else
	335	printf("%*c", indent, ' ');
	336	printf(" %d. %s", cnt, menu_get_prompt(child));
	337	if (child->sym->name)
	338	printf(" (%s)", child->sym->name);
	339	if (!sym_has_value(child->sym))
	340	printf(" (NEW)");
	341	printf("\n");
	342	}
	343	printf("%*schoice", indent - 1, "");
	344	if (cnt == 1) {
	345	printf("[1]: 1\n");
	346	goto conf_childs;
	347	}
	348	printf("[1-%d", cnt);
03d29122	349	if (menu_has_help(menu))
1da177e4 LT	350	printf("?");
	351	printf("]: ");
	352	switch (input_mode) {
	353	case ask_new:
	354	case ask_silent:
	355	if (!is_new) {
	356	cnt = def;
	357	printf("%d\n", cnt);
	358	break;
	359	}
	360	check_stdin();
	361	case ask_all:
	362	fflush(stdout);
59c6a3f4	363	fgets(line, 128, stdin);
1da177e4 LT	364	strip(line);
1da177e4 LT	365	if (line[0] == '?') {
03d29122	366	printf("\n%s\n", get_help(menu));
1da177e4 LT	367	continue;
	368	}
	369	if (!line[0])
	370	cnt = def;
	371	else if (isdigit(line[0]))
	372	cnt = atoi(line);
	373	else
	374	continue;
	375	break;
	376	case set_random:
	377	def = (random() % cnt) + 1;
	378	case set_default:
	379	case set_yes:
	380	case set_mod:
	381	case set_no:
	382	cnt = def;
	383	printf("%d\n", cnt);
	384	break;
	385	}
	386
	387	conf_childs:
	388	for (child = menu->list; child; child = child->next) {
	389	if (!child->sym \|\| !menu_is_visible(child))
	390	continue;
	391	if (!--cnt)
	392	break;
	393	}
	394	if (!child)
	395	continue;
	396	if (line[strlen(line) - 1] == '?') {
03d29122	397	printf("\n%s\n", get_help(child));
1da177e4 LT	398	continue;
	399	}
	400	sym_set_choice_value(sym, child->sym);
	401	if (child->list) {
	402	indent += 2;
	403	conf(child->list);
	404	indent -= 2;
	405	}
	406	return 1;
	407	}
	408	}
	409
	410	static void conf(struct menu *menu)
	411	{
	412	struct symbol *sym;
	413	struct property *prop;
	414	struct menu *child;
	415
	416	if (!menu_is_visible(menu))
	417	return;
	418
	419	sym = menu->sym;
	420	prop = menu->prompt;
	421	if (prop) {
	422	const char *prompt;
	423
	424	switch (prop->type) {
	425	case P_MENU:
	426	if (input_mode == ask_silent && rootEntry != menu) {
	427	check_conf(menu);
	428	return;
	429	}
	430	case P_COMMENT:
	431	prompt = menu_get_prompt(menu);
	432	if (prompt)
	433	printf("%c\n%c %s\n%*c\n",
	434	indent, '*',
	435	indent, '*', prompt,
	436	indent, '*');
	437	default:
	438	;
	439	}
	440	}
	441
	442	if (!sym)
	443	goto conf_childs;
	444
	445	if (sym_is_choice(sym)) {
	446	conf_choice(menu);
	447	if (sym->curr.tri != mod)
	448	return;
	449	goto conf_childs;
	450	}
	451
	452	switch (sym->type) {
	453	case S_INT:
	454	case S_HEX:
	455	case S_STRING:
	456	conf_string(menu);
	457	break;
	458	default:
	459	conf_sym(menu);
	460	break;
	461	}
462
463	conf_childs:
464	if (sym)
465	indent += 2;
466	for (child = menu->list; child; child = child->next)
467	conf(child);
468	if (sym)
469	indent -= 2;
470	}
471
472	static void check_conf(struct menu *menu)
473	{
474	struct symbol *sym;
475	struct menu *child;
476
477	if (!menu_is_visible(menu))
478	return;
479
480	sym = menu->sym;
3f23ca2b RZ	481	if (sym && !sym_has_value(sym)) {
	482	if (sym_is_changable(sym) \|\|
	483	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
1da177e4	484	if (!conf_cnt++)
3b9fa093	485	printf(_("\n Restart config...\n*\n"));
1da177e4 LT	486	rootEntry = menu_get_parent_menu(menu);
	487	conf(rootEntry);
	488	}
1da177e4 LT	489	}
	490
	491	for (child = menu->list; child; child = child->next)
	492	check_conf(child);
	493	}
	494
	495	int main(int ac, char **av)
	496	{
	497	int i = 1;
	498	const char *name;
	499	struct stat tmpstat;
	500
	501	if (ac > i && av[i][0] == '-') {
	502	switch (av[i++][1]) {
	503	case 'o':
	504	input_mode = ask_new;
	505	break;
	506	case 's':
	507	input_mode = ask_silent;
	508	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	509	break;
	510	case 'd':
	511	input_mode = set_default;
	512	break;
	513	case 'D':
	514	input_mode = set_default;
	515	defconfig_file = av[i++];
	516	if (!defconfig_file) {
3b9fa093	517	printf(_("%s: No default config file specified\n"),
1da177e4 LT	518	av[0]);
	519	exit(1);
	520	}
	521	break;
	522	case 'n':
	523	input_mode = set_no;
	524	break;
	525	case 'm':
	526	input_mode = set_mod;
	527	break;
	528	case 'y':
	529	input_mode = set_yes;
	530	break;
	531	case 'r':
	532	input_mode = set_random;
	533	srandom(time(NULL));
	534	break;
	535	case 'h':
	536	case '?':
9dfb563b	537	fprintf(stderr, "See README for usage info\n");
1da177e4 LT	538	exit(0);
	539	}
	540	}
	541	name = av[i];
	542	if (!name) {
3b9fa093	543	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	544	exit(1);
1da177e4 LT	545	}
	546	conf_parse(name);
	547	//zconfdump(stdout);
	548	switch (input_mode) {
	549	case set_default:
	550	if (!defconfig_file)
	551	defconfig_file = conf_get_default_confname();
	552	if (conf_read(defconfig_file)) {
	553	printf("***\n"
	554	"*** Can't find default configuration \"%s\"!\n"
	555	"***\n", defconfig_file);
	556	exit(1);
	557	}
	558	break;
	559	case ask_silent:
	560	if (stat(".config", &tmpstat)) {
3b9fa093	561	printf(_("***\n"
1da177e4	562	"*** You have not yet configured your kernel!\n"
7ac1c145	563	"*** (missing kernel .config file)\n"
1da177e4 LT	564	"***\n"
	565	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	566	"*** \"make menuconfig\" or \"make xconfig\").\n"
3b9fa093	567	"***\n"));
1da177e4 LT	568	exit(1);
	569	}
	570	case ask_all:
	571	case ask_new:
	572	conf_read(NULL);
	573	break;
90389160 RZ	574	case set_no:
	575	case set_mod:
	576	case set_yes:
	577	case set_random:
	578	name = getenv("KCONFIG_ALLCONFIG");
	579	if (name && !stat(name, &tmpstat)) {
669bfad9	580	conf_read_simple(name, S_DEF_USER);
90389160 RZ	581	break;
	582	}
	583	switch (input_mode) {
	584	case set_no: name = "allno.config"; break;
	585	case set_mod: name = "allmod.config"; break;
	586	case set_yes: name = "allyes.config"; break;
	587	case set_random: name = "allrandom.config"; break;
	588	default: break;
	589	}
	590	if (!stat(name, &tmpstat))
669bfad9	591	conf_read_simple(name, S_DEF_USER);
90389160	592	else if (!stat("all.config", &tmpstat))
669bfad9	593	conf_read_simple("all.config", S_DEF_USER);
90389160	594	break;
1da177e4 LT	595	default:
	596	break;
	597	}
	598
	599	if (input_mode != ask_silent) {
	600	rootEntry = &rootmenu;
	601	conf(&rootmenu);
	602	if (input_mode == ask_all) {
	603	input_mode = ask_silent;
	604	valid_stdin = 1;
	605	}
b3214293	606	} else if (conf_get_changed()) {
c955ccaf RZ	607	name = getenv("KCONFIG_NOSILENTUPDATE");
	608	if (name && *name) {
	609	fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n"));
	610	return 1;
	611	}
	612	} else
	613	goto skip_check;
	614
1da177e4 LT	615	do {
	616	conf_cnt = 0;
	617	check_conf(&rootmenu);
	618	} while (conf_cnt);
	619	if (conf_write(NULL)) {
3b9fa093	620	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
1da177e4 LT	621	return 1;
1da177e4 LT	622	}
c955ccaf RZ	623	skip_check:
	624	if (input_mode == ask_silent && conf_write_autoconf()) {
	625	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	626	return 1;
	627	}
	628
1da177e4 LT	629	return 0;
1da177e4 LT	630	}