[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 <getopt.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 input_mode {
	oldaskconfig,
	silentoldconfig,
	oldconfig,
	allnoconfig,
	allyesconfig,
	allmodconfig,
	randconfig,
	defconfig,
	listnewconfig,
	oldnoconfig,
} input_mode = oldaskconfig;

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 oldconfig:
	case silentoldconfig:
		if (sym_has_value(sym)) {
			printf("%s\n", def);
			return 0;
		}
		check_stdin();
	case oldaskconfig:
		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;
}

static 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;
	tristate oldval, newval;

	while (1) {
		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
		if (sym->name)
			printf("(%s) ", sym->name);
		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;
	bool is_new;

	sym = menu->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 oldconfig:
		case silentoldconfig:
			if (!is_new) {
				cnt = def;
				printf("%d\n", cnt);
				break;
			}
			check_stdin();
		case oldaskconfig:
			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 == silentoldconfig ||
			     input_mode == listnewconfig ||
			     input_mode == oldnoconfig) &&
			    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 (input_mode == listnewconfig) {
				if (sym->name && !sym_is_choice_value(sym)) {
					printf("CONFIG_%s\n", sym->name);
				}
			} else {
				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 struct option long_opts[] = {
	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},
	{"oldconfig",       no_argument,       NULL, oldconfig},
	{"silentoldconfig", no_argument,       NULL, silentoldconfig},
	{"defconfig",       optional_argument, NULL, defconfig},
	{"allnoconfig",     no_argument,       NULL, allnoconfig},
	{"allyesconfig",    no_argument,       NULL, allyesconfig},
	{"allmodconfig",    no_argument,       NULL, allmodconfig},
	{"randconfig",      no_argument,       NULL, randconfig},
	{"listnewconfig",   no_argument,       NULL, listnewconfig},
	{"oldnoconfig",     no_argument,       NULL, oldnoconfig},
	{NULL, 0, NULL, 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_long_only(ac, av, "", long_opts, NULL)) != -1) {
		input_mode = (enum input_mode)opt;
		switch (opt) {
		case silentoldconfig:
			sync_kconfig = 1;
			break;
		case defconfig:
			defconfig_file = optarg;
			break;
		case randconfig:
		{
			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);
			break;
		}
		case '?':
			fprintf(stderr, _("See README for usage info\n"));
			exit(1);
			break;
		}
	}
	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 defconfig:
		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 silentoldconfig:
	case oldaskconfig:
	case oldconfig:
	case listnewconfig:
	case oldnoconfig:
		conf_read(NULL);
		break;
	case allnoconfig:
	case allyesconfig:
	case allmodconfig:
	case randconfig:
		name = getenv("KCONFIG_ALLCONFIG");
		if (name && !stat(name, &tmpstat)) {
			conf_read_simple(name, S_DEF_USER);
			break;
		}
		switch (input_mode) {
		case allnoconfig:	name = "allno.config"; break;
		case allyesconfig:	name = "allyes.config"; break;
		case allmodconfig:	name = "allmod.config"; break;
		case randconfig:	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 allnoconfig:
		conf_set_all_new_symbols(def_no);
		break;
	case allyesconfig:
		conf_set_all_new_symbols(def_yes);
		break;
	case allmodconfig:
		conf_set_all_new_symbols(def_mod);
		break;
	case randconfig:
		conf_set_all_new_symbols(def_random);
		break;
	case defconfig:
		conf_set_all_new_symbols(def_default);
		break;
	case oldconfig:
	case oldaskconfig:
		rootEntry = &rootmenu;
		conf(&rootmenu);
		input_mode = silentoldconfig;
		/* fall through */
	case listnewconfig:
	case oldnoconfig:
	case silentoldconfig:
		/* Update until a loop caused no more changes */
		do {
			conf_cnt = 0;
			check_conf(&rootmenu);
		} while (conf_cnt &&
			 (input_mode != listnewconfig &&
			  input_mode != oldnoconfig));
		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 (input_mode != listnewconfig) {
		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>
4062f1a4	13	#include <getopt.h>
1da177e4	14	#include <sys/stat.h>
b0fe5510	15	#include <sys/time.h>
1da177e4 LT	16
	17	#define LKC_DIRECT_LINK
	18	#include "lkc.h"
	19
	20	static void conf(struct menu *menu);
	21	static void check_conf(struct menu *menu);
	22
4062f1a4 SR	23	enum input_mode {
	24	oldaskconfig,
	25	silentoldconfig,
	26	oldconfig,
	27	allnoconfig,
	28	allyesconfig,
	29	allmodconfig,
	30	randconfig,
	31	defconfig,
861b4ea4	32	listnewconfig,
ef61ca88	33	oldnoconfig,
4062f1a4 SR	34	} input_mode = oldaskconfig;
4062f1a4 SR	35
1da177e4 LT	36	char *defconfig_file;
	37
	38	static int indent = 1;
	39	static int valid_stdin = 1;
204c96f6	40	static int sync_kconfig;
1da177e4	41	static int conf_cnt;
48b9d03c	42	static char line[128];
1da177e4 LT	43	static struct menu *rootEntry;
1da177e4 LT	44
66c4bd80	45	static void print_help(struct menu *menu)
03d29122	46	{
66c4bd80 CR	47	struct gstr help = str_new();
	48
	49	menu_get_ext_help(menu, &help);
	50
	51	printf("\n%s\n", str_get(&help));
	52	str_free(&help);
03d29122 SR	53	}
03d29122 SR	54
48b9d03c	55	static void strip(char *str)
1da177e4	56	{
48b9d03c	57	char *p = str;
1da177e4 LT	58	int l;
	59
	60	while ((isspace(*p)))
	61	p++;
	62	l = strlen(p);
	63	if (p != str)
	64	memmove(str, p, l + 1);
	65	if (!l)
	66	return;
	67	p = str + l - 1;
	68	while ((isspace(*p)))
	69	*p-- = 0;
	70	}
	71
	72	static void check_stdin(void)
	73	{
204c96f6	74	if (!valid_stdin) {
3b9fa093 ACM	75	printf(_("aborted!\n\n"));
	76	printf(_("Console input/output is redirected. "));
	77	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	78	exit(1);
	79	}
	80	}
	81
f82f3f94	82	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	83	{
1da177e4 LT	84	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	85
1da177e4 LT	86	if (!sym_has_value(sym))
534a450c	87	printf(_("(NEW) "));
1da177e4 LT	88
	89	line[0] = '\n';
	90	line[1] = 0;
	91
	92	if (!sym_is_changable(sym)) {
	93	printf("%s\n", def);
	94	line[0] = '\n';
	95	line[1] = 0;
f82f3f94	96	return 0;
1da177e4 LT	97	}
	98
	99	switch (input_mode) {
4062f1a4 SR	100	case oldconfig:
4062f1a4 SR	101	case silentoldconfig:
1da177e4 LT	102	if (sym_has_value(sym)) {
1da177e4 LT	103	printf("%s\n", def);
f82f3f94	104	return 0;
1da177e4 LT	105	}
1da177e4 LT	106	check_stdin();
4062f1a4	107	case oldaskconfig:
1da177e4	108	fflush(stdout);
59c6a3f4	109	fgets(line, 128, stdin);
f82f3f94	110	return 1;
1da177e4 LT	111	default:
	112	break;
	113	}
	114
	115	switch (type) {
	116	case S_INT:
	117	case S_HEX:
	118	case S_STRING:
	119	printf("%s\n", def);
f82f3f94	120	return 1;
1da177e4 LT	121	default:
	122	;
	123	}
1da177e4	124	printf("%s", line);
f82f3f94	125	return 1;
1da177e4 LT	126	}
1da177e4 LT	127
4356f489	128	static int conf_string(struct menu *menu)
1da177e4 LT	129	{
1da177e4 LT	130	struct symbol *sym = menu->sym;
03d29122	131	const char *def;
1da177e4 LT	132
1da177e4 LT	133	while (1) {
534a450c	134	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	135	printf("(%s) ", sym->name);
	136	def = sym_get_string_value(sym);
	137	if (sym_get_string_value(sym))
	138	printf("[%s] ", def);
f82f3f94 RZ	139	if (!conf_askvalue(sym, def))
f82f3f94 RZ	140	return 0;
1da177e4 LT	141	switch (line[0]) {
	142	case '\n':
	143	break;
	144	case '?':
	145	/* print help */
	146	if (line[1] == '\n') {
66c4bd80	147	print_help(menu);
1da177e4 LT	148	def = NULL;
	149	break;
	150	}
	151	default:
	152	line[strlen(line)-1] = 0;
	153	def = line;
	154	}
	155	if (def && sym_set_string_value(sym, def))
	156	return 0;
	157	}
	158	}
	159
	160	static int conf_sym(struct menu *menu)
	161	{
	162	struct symbol *sym = menu->sym;
1da177e4	163	tristate oldval, newval;
1da177e4 LT	164
1da177e4 LT	165	while (1) {
534a450c	166	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	167	if (sym->name)
1da177e4 LT	168	printf("(%s) ", sym->name);
1da177e4 LT	169	putchar('[');
	170	oldval = sym_get_tristate_value(sym);
	171	switch (oldval) {
	172	case no:
	173	putchar('N');
	174	break;
	175	case mod:
	176	putchar('M');
	177	break;
	178	case yes:
	179	putchar('Y');
	180	break;
	181	}
	182	if (oldval != no && sym_tristate_within_range(sym, no))
	183	printf("/n");
	184	if (oldval != mod && sym_tristate_within_range(sym, mod))
	185	printf("/m");
	186	if (oldval != yes && sym_tristate_within_range(sym, yes))
	187	printf("/y");
03d29122	188	if (menu_has_help(menu))
1da177e4 LT	189	printf("/?");
1da177e4 LT	190	printf("] ");
f82f3f94 RZ	191	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	192	return 0;
1da177e4 LT	193	strip(line);
	194
	195	switch (line[0]) {
	196	case 'n':
	197	case 'N':
	198	newval = no;
	199	if (!line[1] \|\| !strcmp(&line[1], "o"))
	200	break;
	201	continue;
	202	case 'm':
	203	case 'M':
	204	newval = mod;
	205	if (!line[1])
	206	break;
	207	continue;
	208	case 'y':
	209	case 'Y':
	210	newval = yes;
	211	if (!line[1] \|\| !strcmp(&line[1], "es"))
	212	break;
	213	continue;
	214	case 0:
	215	newval = oldval;
	216	break;
	217	case '?':
	218	goto help;
	219	default:
	220	continue;
	221	}
	222	if (sym_set_tristate_value(sym, newval))
	223	return 0;
	224	help:
66c4bd80	225	print_help(menu);
1da177e4 LT	226	}
	227	}
	228
	229	static int conf_choice(struct menu *menu)
	230	{
	231	struct symbol sym, def_sym;
	232	struct menu *child;
1da177e4 LT	233	bool is_new;
	234
	235	sym = menu->sym;
1da177e4 LT	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) {
4062f1a4 SR	297	case oldconfig:
4062f1a4 SR	298	case silentoldconfig:
1da177e4 LT	299	if (!is_new) {
	300	cnt = def;
	301	printf("%d\n", cnt);
	302	break;
	303	}
	304	check_stdin();
4062f1a4	305	case oldaskconfig:
1da177e4	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:
4062f1a4	363	if ((input_mode == silentoldconfig \|\|
861b4ea4	364	input_mode == listnewconfig \|\|
ef61ca88	365	input_mode == oldnoconfig) &&
f0778c8c	366	rootEntry != menu) {
1da177e4 LT	367	check_conf(menu);
	368	return;
	369	}
	370	case P_COMMENT:
	371	prompt = menu_get_prompt(menu);
	372	if (prompt)
	373	printf("%c\n%c %s\n%*c\n",
	374	indent, '*',
534a450c	375	indent, '*', _(prompt),
1da177e4 LT	376	indent, '*');
	377	default:
	378	;
	379	}
	380	}
	381
	382	if (!sym)
	383	goto conf_childs;
	384
	385	if (sym_is_choice(sym)) {
	386	conf_choice(menu);
	387	if (sym->curr.tri != mod)
	388	return;
	389	goto conf_childs;
	390	}
	391
	392	switch (sym->type) {
	393	case S_INT:
	394	case S_HEX:
	395	case S_STRING:
	396	conf_string(menu);
	397	break;
	398	default:
	399	conf_sym(menu);
	400	break;
	401	}
	402
	403	conf_childs:
	404	if (sym)
	405	indent += 2;
	406	for (child = menu->list; child; child = child->next)
	407	conf(child);
	408	if (sym)
	409	indent -= 2;
	410	}
	411
	412	static void check_conf(struct menu *menu)
	413	{
	414	struct symbol *sym;
	415	struct menu *child;
	416
	417	if (!menu_is_visible(menu))
	418	return;
	419
	420	sym = menu->sym;
3f23ca2b RZ	421	if (sym && !sym_has_value(sym)) {
	422	if (sym_is_changable(sym) \|\|
	423	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
861b4ea4 SR	424	if (input_mode == listnewconfig) {
	425	if (sym->name && !sym_is_choice_value(sym)) {
	426	printf("CONFIG_%s\n", sym->name);
f0778c8c AR	427	}
	428	} else {
	429	if (!conf_cnt++)
	430	printf(_("\n Restart config...\n*\n"));
	431	rootEntry = menu_get_parent_menu(menu);
	432	conf(rootEntry);
	433	}
1da177e4	434	}
1da177e4 LT	435	}
	436
	437	for (child = menu->list; child; child = child->next)
	438	check_conf(child);
	439	}
	440
4062f1a4 SR	441	static struct option long_opts[] = {
	442	{"oldaskconfig", no_argument, NULL, oldaskconfig},
	443	{"oldconfig", no_argument, NULL, oldconfig},
	444	{"silentoldconfig", no_argument, NULL, silentoldconfig},
	445	{"defconfig", optional_argument, NULL, defconfig},
	446	{"allnoconfig", no_argument, NULL, allnoconfig},
	447	{"allyesconfig", no_argument, NULL, allyesconfig},
	448	{"allmodconfig", no_argument, NULL, allmodconfig},
	449	{"randconfig", no_argument, NULL, randconfig},
861b4ea4	450	{"listnewconfig", no_argument, NULL, listnewconfig},
ef61ca88	451	{"oldnoconfig", no_argument, NULL, oldnoconfig},
4062f1a4 SR	452	{NULL, 0, NULL, 0}
	453	};
	454
1da177e4 LT	455	int main(int ac, char **av)
1da177e4 LT	456	{
2f4b489b	457	int opt;
1da177e4 LT	458	const char *name;
	459	struct stat tmpstat;
	460
534a450c EG	461	setlocale(LC_ALL, "");
	462	bindtextdomain(PACKAGE, LOCALEDIR);
	463	textdomain(PACKAGE);
	464
4062f1a4 SR	465	while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
4062f1a4 SR	466	input_mode = (enum input_mode)opt;
2f4b489b	467	switch (opt) {
4062f1a4	468	case silentoldconfig:
204c96f6	469	sync_kconfig = 1;
1da177e4	470	break;
4062f1a4	471	case defconfig:
2f4b489b	472	defconfig_file = optarg;
1da177e4	473	break;
4062f1a4	474	case randconfig:
b0fe5510 IM	475	{
	476	struct timeval now;
	477	unsigned int seed;
	478
	479	/*
	480	* Use microseconds derived seed,
	481	* compensate for systems where it may be zero
	482	*/
	483	gettimeofday(&now, NULL);
	484
	485	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	486	srand(seed);
1da177e4	487	break;
b0fe5510	488	}
4062f1a4	489	case '?':
534a450c	490	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	491	exit(1);
4062f1a4	492	break;
1da177e4 LT	493	}
1da177e4 LT	494	}
2f4b489b	495	if (ac == optind) {
3b9fa093	496	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	497	exit(1);
1da177e4	498	}
2f4b489b	499	name = av[optind];
1da177e4 LT	500	conf_parse(name);
1da177e4 LT	501	//zconfdump(stdout);
204c96f6	502	if (sync_kconfig) {
284026cd MH	503	name = conf_get_configname();
284026cd MH	504	if (stat(name, &tmpstat)) {
204c96f6	505	fprintf(stderr, _("***\n"
204c96f6	506	"*** You have not yet configured your kernel!\n"
284026cd	507	"*** (missing kernel config file \"%s\")\n"
204c96f6	508	"***\n"
	509	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	510	"*** \"make menuconfig\" or \"make xconfig\").\n"
284026cd	511	"***\n"), name);
204c96f6	512	exit(1);
	513	}
	514	}
	515
1da177e4	516	switch (input_mode) {
4062f1a4	517	case defconfig:
1da177e4 LT	518	if (!defconfig_file)
	519	defconfig_file = conf_get_default_confname();
	520	if (conf_read(defconfig_file)) {
534a450c	521	printf(_("***\n"
1da177e4	522	"*** Can't find default configuration \"%s\"!\n"
534a450c	523	"***\n"), defconfig_file);
1da177e4 LT	524	exit(1);
	525	}
	526	break;
4062f1a4 SR	527	case silentoldconfig:
	528	case oldaskconfig:
	529	case oldconfig:
861b4ea4	530	case listnewconfig:
ef61ca88	531	case oldnoconfig:
1da177e4 LT	532	conf_read(NULL);
1da177e4 LT	533	break;
4062f1a4 SR	534	case allnoconfig:
	535	case allyesconfig:
	536	case allmodconfig:
	537	case randconfig:
90389160 RZ	538	name = getenv("KCONFIG_ALLCONFIG");
90389160 RZ	539	if (name && !stat(name, &tmpstat)) {
669bfad9	540	conf_read_simple(name, S_DEF_USER);
90389160 RZ	541	break;
	542	}
	543	switch (input_mode) {
4062f1a4 SR	544	case allnoconfig: name = "allno.config"; break;
	545	case allyesconfig: name = "allyes.config"; break;
	546	case allmodconfig: name = "allmod.config"; break;
	547	case randconfig: name = "allrandom.config"; break;
90389160 RZ	548	default: break;
	549	}
	550	if (!stat(name, &tmpstat))
669bfad9	551	conf_read_simple(name, S_DEF_USER);
90389160	552	else if (!stat("all.config", &tmpstat))
669bfad9	553	conf_read_simple("all.config", S_DEF_USER);
90389160	554	break;
1da177e4 LT	555	default:
	556	break;
	557	}
204c96f6	558
	559	if (sync_kconfig) {
	560	if (conf_get_changed()) {
	561	name = getenv("KCONFIG_NOSILENTUPDATE");
	562	if (name && *name) {
	563	fprintf(stderr,
	564	_("\n*** Kernel configuration requires explicit update.\n\n"));
	565	return 1;
	566	}
	567	}
	568	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	569	}
	570
f443d2ec	571	switch (input_mode) {
4062f1a4	572	case allnoconfig:
f443d2ec SR	573	conf_set_all_new_symbols(def_no);
f443d2ec SR	574	break;
4062f1a4	575	case allyesconfig:
f443d2ec SR	576	conf_set_all_new_symbols(def_yes);
f443d2ec SR	577	break;
4062f1a4	578	case allmodconfig:
f443d2ec SR	579	conf_set_all_new_symbols(def_mod);
f443d2ec SR	580	break;
4062f1a4	581	case randconfig:
f443d2ec SR	582	conf_set_all_new_symbols(def_random);
f443d2ec SR	583	break;
4062f1a4	584	case defconfig:
09748e17 SR	585	conf_set_all_new_symbols(def_default);
09748e17 SR	586	break;
4062f1a4 SR	587	case oldconfig:
4062f1a4 SR	588	case oldaskconfig:
204c96f6	589	rootEntry = &rootmenu;
204c96f6	590	conf(&rootmenu);
4062f1a4	591	input_mode = silentoldconfig;
204c96f6	592	/* fall through */
861b4ea4	593	case listnewconfig:
ef61ca88	594	case oldnoconfig:
4062f1a4	595	case silentoldconfig:
204c96f6	596	/* Update until a loop caused no more changes */
	597	do {
	598	conf_cnt = 0;
	599	check_conf(&rootmenu);
f0778c8c	600	} while (conf_cnt &&
861b4ea4	601	(input_mode != listnewconfig &&
ef61ca88	602	input_mode != oldnoconfig));
f443d2ec SR	603	break;
f443d2ec SR	604	}
1da177e4	605
204c96f6	606	if (sync_kconfig) {
	607	/* silentoldconfig is used during the build so we shall update autoconf.
	608	* All other commands are only used to generate a config.
	609	*/
	610	if (conf_get_changed() && conf_write(NULL)) {
	611	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	612	exit(1);
	613	}
	614	if (conf_write_autoconf()) {
	615	fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
	616	return 1;
	617	}
861b4ea4	618	} else if (input_mode != listnewconfig) {
204c96f6	619	if (conf_write(NULL)) {
	620	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	621	exit(1);
	622	}
c955ccaf	623	}
861b4ea4	624	return 0;
1da177e4	625	}