[deliverable/linux.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"

/* Return codes */
#define EUNSETOPT	2	/* if -B and -b are used and unset config
				 * options were found */

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

enum input_mode {
	oldaskconfig,
	silentoldconfig,
	oldconfig,
	allnoconfig,
	allyesconfig,
	allmodconfig,
	randconfig,
	defconfig,
	nonint_oldconfig,
	loose_nonint_oldconfig,
} 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 int unset_variables;

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 == nonint_oldconfig ||
			     input_mode == loose_nonint_oldconfig) &&
			    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 == nonint_oldconfig ||
			    input_mode == loose_nonint_oldconfig) {
				if (input_mode == nonint_oldconfig &&
				    sym->name && !sym_is_choice_value(sym)) {
					if (!unset_variables)
						fprintf(stderr, "The following"
						  " variables are not set:\n");
					fprintf(stderr, "CONFIG_%s\n",
							sym->name);
					unset_variables++;
				}
			} 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},
	{"nonint_oldconfig",       no_argument, NULL, nonint_oldconfig},
	{"loose_nonint_oldconfig", no_argument, NULL, loose_nonint_oldconfig},
	{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 nonint_oldconfig:
	case loose_nonint_oldconfig:
		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 nonint_oldconfig:
	case loose_nonint_oldconfig:
	case silentoldconfig:
		/* Update until a loop caused no more changes */
		do {
			conf_cnt = 0;
			check_conf(&rootmenu);
		} while (conf_cnt &&
			 (input_mode != nonint_oldconfig &&
			  input_mode != loose_nonint_oldconfig));
		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 (!unset_variables || input_mode != nonint_oldconfig) {
		if (conf_write(NULL)) {
			fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
			exit(1);
		}
	}
	return unset_variables ? EUNSETOPT : 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
f0778c8c AR	20	/* Return codes */
	21	#define EUNSETOPT 2 /* if -B and -b are used and unset config
	22	* options were found */
	23
1da177e4 LT	24	static void conf(struct menu *menu);
	25	static void check_conf(struct menu *menu);
	26
4062f1a4 SR	27	enum input_mode {
	28	oldaskconfig,
	29	silentoldconfig,
	30	oldconfig,
	31	allnoconfig,
	32	allyesconfig,
	33	allmodconfig,
	34	randconfig,
	35	defconfig,
	36	nonint_oldconfig,
	37	loose_nonint_oldconfig,
	38	} input_mode = oldaskconfig;
	39
1da177e4 LT	40	char *defconfig_file;
	41
	42	static int indent = 1;
	43	static int valid_stdin = 1;
204c96f6	44	static int sync_kconfig;
1da177e4	45	static int conf_cnt;
48b9d03c	46	static char line[128];
1da177e4	47	static struct menu *rootEntry;
f0778c8c	48	static int unset_variables;
1da177e4	49
66c4bd80	50	static void print_help(struct menu *menu)
03d29122	51	{
66c4bd80 CR	52	struct gstr help = str_new();
	53
	54	menu_get_ext_help(menu, &help);
	55
	56	printf("\n%s\n", str_get(&help));
	57	str_free(&help);
03d29122 SR	58	}
03d29122 SR	59
48b9d03c	60	static void strip(char *str)
1da177e4	61	{
48b9d03c	62	char *p = str;
1da177e4 LT	63	int l;
	64
	65	while ((isspace(*p)))
	66	p++;
	67	l = strlen(p);
	68	if (p != str)
	69	memmove(str, p, l + 1);
	70	if (!l)
	71	return;
	72	p = str + l - 1;
	73	while ((isspace(*p)))
	74	*p-- = 0;
	75	}
	76
	77	static void check_stdin(void)
	78	{
204c96f6	79	if (!valid_stdin) {
3b9fa093 ACM	80	printf(_("aborted!\n\n"));
	81	printf(_("Console input/output is redirected. "));
	82	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	83	exit(1);
	84	}
	85	}
	86
f82f3f94	87	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	88	{
1da177e4 LT	89	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	90
1da177e4 LT	91	if (!sym_has_value(sym))
534a450c	92	printf(_("(NEW) "));
1da177e4 LT	93
	94	line[0] = '\n';
	95	line[1] = 0;
	96
	97	if (!sym_is_changable(sym)) {
	98	printf("%s\n", def);
	99	line[0] = '\n';
	100	line[1] = 0;
f82f3f94	101	return 0;
1da177e4 LT	102	}
	103
	104	switch (input_mode) {
4062f1a4 SR	105	case oldconfig:
4062f1a4 SR	106	case silentoldconfig:
1da177e4 LT	107	if (sym_has_value(sym)) {
1da177e4 LT	108	printf("%s\n", def);
f82f3f94	109	return 0;
1da177e4 LT	110	}
1da177e4 LT	111	check_stdin();
4062f1a4	112	case oldaskconfig:
1da177e4	113	fflush(stdout);
59c6a3f4	114	fgets(line, 128, stdin);
f82f3f94	115	return 1;
1da177e4 LT	116	default:
	117	break;
	118	}
	119
	120	switch (type) {
	121	case S_INT:
	122	case S_HEX:
	123	case S_STRING:
	124	printf("%s\n", def);
f82f3f94	125	return 1;
1da177e4 LT	126	default:
	127	;
	128	}
1da177e4	129	printf("%s", line);
f82f3f94	130	return 1;
1da177e4 LT	131	}
1da177e4 LT	132
4356f489	133	static int conf_string(struct menu *menu)
1da177e4 LT	134	{
1da177e4 LT	135	struct symbol *sym = menu->sym;
03d29122	136	const char *def;
1da177e4 LT	137
1da177e4 LT	138	while (1) {
534a450c	139	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	140	printf("(%s) ", sym->name);
	141	def = sym_get_string_value(sym);
	142	if (sym_get_string_value(sym))
	143	printf("[%s] ", def);
f82f3f94 RZ	144	if (!conf_askvalue(sym, def))
f82f3f94 RZ	145	return 0;
1da177e4 LT	146	switch (line[0]) {
	147	case '\n':
	148	break;
	149	case '?':
	150	/* print help */
	151	if (line[1] == '\n') {
66c4bd80	152	print_help(menu);
1da177e4 LT	153	def = NULL;
	154	break;
	155	}
	156	default:
	157	line[strlen(line)-1] = 0;
	158	def = line;
	159	}
	160	if (def && sym_set_string_value(sym, def))
	161	return 0;
	162	}
	163	}
	164
	165	static int conf_sym(struct menu *menu)
	166	{
	167	struct symbol *sym = menu->sym;
1da177e4	168	tristate oldval, newval;
1da177e4 LT	169
1da177e4 LT	170	while (1) {
534a450c	171	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	172	if (sym->name)
1da177e4 LT	173	printf("(%s) ", sym->name);
1da177e4 LT	174	putchar('[');
	175	oldval = sym_get_tristate_value(sym);
	176	switch (oldval) {
	177	case no:
	178	putchar('N');
	179	break;
	180	case mod:
	181	putchar('M');
	182	break;
	183	case yes:
	184	putchar('Y');
	185	break;
	186	}
	187	if (oldval != no && sym_tristate_within_range(sym, no))
	188	printf("/n");
	189	if (oldval != mod && sym_tristate_within_range(sym, mod))
	190	printf("/m");
	191	if (oldval != yes && sym_tristate_within_range(sym, yes))
	192	printf("/y");
03d29122	193	if (menu_has_help(menu))
1da177e4 LT	194	printf("/?");
1da177e4 LT	195	printf("] ");
f82f3f94 RZ	196	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	197	return 0;
1da177e4 LT	198	strip(line);
	199
	200	switch (line[0]) {
	201	case 'n':
	202	case 'N':
	203	newval = no;
	204	if (!line[1] \|\| !strcmp(&line[1], "o"))
	205	break;
	206	continue;
	207	case 'm':
	208	case 'M':
	209	newval = mod;
	210	if (!line[1])
	211	break;
	212	continue;
	213	case 'y':
	214	case 'Y':
	215	newval = yes;
	216	if (!line[1] \|\| !strcmp(&line[1], "es"))
	217	break;
	218	continue;
	219	case 0:
	220	newval = oldval;
	221	break;
	222	case '?':
	223	goto help;
	224	default:
	225	continue;
	226	}
	227	if (sym_set_tristate_value(sym, newval))
	228	return 0;
	229	help:
66c4bd80	230	print_help(menu);
1da177e4 LT	231	}
	232	}
	233
	234	static int conf_choice(struct menu *menu)
	235	{
	236	struct symbol sym, def_sym;
	237	struct menu *child;
1da177e4 LT	238	bool is_new;
	239
	240	sym = menu->sym;
1da177e4 LT	241	is_new = !sym_has_value(sym);
	242	if (sym_is_changable(sym)) {
	243	conf_sym(menu);
	244	sym_calc_value(sym);
	245	switch (sym_get_tristate_value(sym)) {
	246	case no:
	247	return 1;
	248	case mod:
	249	return 0;
	250	case yes:
	251	break;
	252	}
	253	} else {
	254	switch (sym_get_tristate_value(sym)) {
	255	case no:
	256	return 1;
	257	case mod:
534a450c	258	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	259	return 0;
	260	case yes:
	261	break;
	262	}
	263	}
	264
	265	while (1) {
	266	int cnt, def;
	267
534a450c	268	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	269	def_sym = sym_get_choice_value(sym);
1da177e4 LT	270	cnt = def = 0;
40aee729	271	line[0] = 0;
1da177e4 LT	272	for (child = menu->list; child; child = child->next) {
	273	if (!menu_is_visible(child))
	274	continue;
	275	if (!child->sym) {
534a450c	276	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	277	continue;
	278	}
	279	cnt++;
	280	if (child->sym == def_sym) {
	281	def = cnt;
	282	printf("%*c", indent, '>');
	283	} else
	284	printf("%*c", indent, ' ');
534a450c	285	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	286	if (child->sym->name)
	287	printf(" (%s)", child->sym->name);
	288	if (!sym_has_value(child->sym))
534a450c	289	printf(_(" (NEW)"));
1da177e4 LT	290	printf("\n");
1da177e4 LT	291	}
534a450c	292	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	293	if (cnt == 1) {
	294	printf("[1]: 1\n");
	295	goto conf_childs;
	296	}
	297	printf("[1-%d", cnt);
03d29122	298	if (menu_has_help(menu))
1da177e4 LT	299	printf("?");
	300	printf("]: ");
	301	switch (input_mode) {
4062f1a4 SR	302	case oldconfig:
4062f1a4 SR	303	case silentoldconfig:
1da177e4 LT	304	if (!is_new) {
	305	cnt = def;
	306	printf("%d\n", cnt);
	307	break;
	308	}
	309	check_stdin();
4062f1a4	310	case oldaskconfig:
1da177e4	311	fflush(stdout);
59c6a3f4	312	fgets(line, 128, stdin);
1da177e4 LT	313	strip(line);
1da177e4 LT	314	if (line[0] == '?') {
66c4bd80	315	print_help(menu);
1da177e4 LT	316	continue;
	317	}
	318	if (!line[0])
	319	cnt = def;
	320	else if (isdigit(line[0]))
	321	cnt = atoi(line);
	322	else
	323	continue;
	324	break;
f443d2ec SR	325	default:
f443d2ec SR	326	break;
1da177e4 LT	327	}
	328
	329	conf_childs:
	330	for (child = menu->list; child; child = child->next) {
	331	if (!child->sym \|\| !menu_is_visible(child))
	332	continue;
	333	if (!--cnt)
	334	break;
	335	}
	336	if (!child)
	337	continue;
	338	if (line[strlen(line) - 1] == '?') {
66c4bd80	339	print_help(child);
1da177e4 LT	340	continue;
	341	}
	342	sym_set_choice_value(sym, child->sym);
f5eaa323	343	for (child = child->list; child; child = child->next) {
1da177e4	344	indent += 2;
f5eaa323	345	conf(child);
1da177e4 LT	346	indent -= 2;
	347	}
	348	return 1;
	349	}
	350	}
	351
	352	static void conf(struct menu *menu)
	353	{
	354	struct symbol *sym;
	355	struct property *prop;
	356	struct menu *child;
	357
	358	if (!menu_is_visible(menu))
	359	return;
	360
	361	sym = menu->sym;
	362	prop = menu->prompt;
	363	if (prop) {
	364	const char *prompt;
	365
	366	switch (prop->type) {
	367	case P_MENU:
4062f1a4 SR	368	if ((input_mode == silentoldconfig \|\|
	369	input_mode == nonint_oldconfig \|\|
	370	input_mode == loose_nonint_oldconfig) &&
f0778c8c	371	rootEntry != menu) {
1da177e4 LT	372	check_conf(menu);
	373	return;
	374	}
	375	case P_COMMENT:
	376	prompt = menu_get_prompt(menu);
	377	if (prompt)
	378	printf("%c\n%c %s\n%*c\n",
	379	indent, '*',
534a450c	380	indent, '*', _(prompt),
1da177e4 LT	381	indent, '*');
	382	default:
	383	;
	384	}
	385	}
	386
	387	if (!sym)
	388	goto conf_childs;
	389
	390	if (sym_is_choice(sym)) {
	391	conf_choice(menu);
	392	if (sym->curr.tri != mod)
	393	return;
	394	goto conf_childs;
	395	}
	396
	397	switch (sym->type) {
	398	case S_INT:
	399	case S_HEX:
	400	case S_STRING:
	401	conf_string(menu);
	402	break;
	403	default:
	404	conf_sym(menu);
	405	break;
	406	}
	407
	408	conf_childs:
	409	if (sym)
	410	indent += 2;
	411	for (child = menu->list; child; child = child->next)
	412	conf(child);
	413	if (sym)
	414	indent -= 2;
	415	}
	416
	417	static void check_conf(struct menu *menu)
	418	{
	419	struct symbol *sym;
	420	struct menu *child;
	421
	422	if (!menu_is_visible(menu))
	423	return;
	424
	425	sym = menu->sym;
3f23ca2b RZ	426	if (sym && !sym_has_value(sym)) {
	427	if (sym_is_changable(sym) \|\|
	428	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
4062f1a4 SR	429	if (input_mode == nonint_oldconfig \|\|
	430	input_mode == loose_nonint_oldconfig) {
	431	if (input_mode == nonint_oldconfig &&
f0778c8c AR	432	sym->name && !sym_is_choice_value(sym)) {
	433	if (!unset_variables)
	434	fprintf(stderr, "The following"
	435	" variables are not set:\n");
	436	fprintf(stderr, "CONFIG_%s\n",
	437	sym->name);
	438	unset_variables++;
	439	}
	440	} else {
	441	if (!conf_cnt++)
	442	printf(_("\n Restart config...\n*\n"));
	443	rootEntry = menu_get_parent_menu(menu);
	444	conf(rootEntry);
	445	}
1da177e4	446	}
1da177e4 LT	447	}
	448
	449	for (child = menu->list; child; child = child->next)
	450	check_conf(child);
	451	}
	452
4062f1a4 SR	453	static struct option long_opts[] = {
	454	{"oldaskconfig", no_argument, NULL, oldaskconfig},
	455	{"oldconfig", no_argument, NULL, oldconfig},
	456	{"silentoldconfig", no_argument, NULL, silentoldconfig},
	457	{"defconfig", optional_argument, NULL, defconfig},
	458	{"allnoconfig", no_argument, NULL, allnoconfig},
	459	{"allyesconfig", no_argument, NULL, allyesconfig},
	460	{"allmodconfig", no_argument, NULL, allmodconfig},
	461	{"randconfig", no_argument, NULL, randconfig},
	462	{"nonint_oldconfig", no_argument, NULL, nonint_oldconfig},
	463	{"loose_nonint_oldconfig", no_argument, NULL, loose_nonint_oldconfig},
	464	{NULL, 0, NULL, 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
4062f1a4 SR	477	while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
4062f1a4 SR	478	input_mode = (enum input_mode)opt;
2f4b489b	479	switch (opt) {
4062f1a4	480	case silentoldconfig:
204c96f6	481	sync_kconfig = 1;
1da177e4	482	break;
4062f1a4	483	case defconfig:
2f4b489b	484	defconfig_file = optarg;
1da177e4	485	break;
4062f1a4	486	case randconfig:
b0fe5510 IM	487	{
	488	struct timeval now;
	489	unsigned int seed;
	490
	491	/*
	492	* Use microseconds derived seed,
	493	* compensate for systems where it may be zero
	494	*/
	495	gettimeofday(&now, NULL);
	496
	497	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	498	srand(seed);
1da177e4	499	break;
b0fe5510	500	}
4062f1a4	501	case '?':
534a450c	502	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	503	exit(1);
4062f1a4	504	break;
1da177e4 LT	505	}
1da177e4 LT	506	}
2f4b489b	507	if (ac == optind) {
3b9fa093	508	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	509	exit(1);
1da177e4	510	}
2f4b489b	511	name = av[optind];
1da177e4 LT	512	conf_parse(name);
1da177e4 LT	513	//zconfdump(stdout);
204c96f6	514	if (sync_kconfig) {
284026cd MH	515	name = conf_get_configname();
284026cd MH	516	if (stat(name, &tmpstat)) {
204c96f6	517	fprintf(stderr, _("***\n"
204c96f6	518	"*** You have not yet configured your kernel!\n"
284026cd	519	"*** (missing kernel config file \"%s\")\n"
204c96f6	520	"***\n"
	521	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	522	"*** \"make menuconfig\" or \"make xconfig\").\n"
284026cd	523	"***\n"), name);
204c96f6	524	exit(1);
	525	}
	526	}
	527
1da177e4	528	switch (input_mode) {
4062f1a4	529	case defconfig:
1da177e4 LT	530	if (!defconfig_file)
	531	defconfig_file = conf_get_default_confname();
	532	if (conf_read(defconfig_file)) {
534a450c	533	printf(_("***\n"
1da177e4	534	"*** Can't find default configuration \"%s\"!\n"
534a450c	535	"***\n"), defconfig_file);
1da177e4 LT	536	exit(1);
	537	}
	538	break;
4062f1a4 SR	539	case silentoldconfig:
	540	case oldaskconfig:
	541	case oldconfig:
	542	case nonint_oldconfig:
	543	case loose_nonint_oldconfig:
1da177e4 LT	544	conf_read(NULL);
1da177e4 LT	545	break;
4062f1a4 SR	546	case allnoconfig:
	547	case allyesconfig:
	548	case allmodconfig:
	549	case randconfig:
90389160 RZ	550	name = getenv("KCONFIG_ALLCONFIG");
90389160 RZ	551	if (name && !stat(name, &tmpstat)) {
669bfad9	552	conf_read_simple(name, S_DEF_USER);
90389160 RZ	553	break;
	554	}
	555	switch (input_mode) {
4062f1a4 SR	556	case allnoconfig: name = "allno.config"; break;
	557	case allyesconfig: name = "allyes.config"; break;
	558	case allmodconfig: name = "allmod.config"; break;
	559	case randconfig: name = "allrandom.config"; break;
90389160 RZ	560	default: break;
	561	}
	562	if (!stat(name, &tmpstat))
669bfad9	563	conf_read_simple(name, S_DEF_USER);
90389160	564	else if (!stat("all.config", &tmpstat))
669bfad9	565	conf_read_simple("all.config", S_DEF_USER);
90389160	566	break;
1da177e4 LT	567	default:
	568	break;
	569	}
204c96f6	570
	571	if (sync_kconfig) {
	572	if (conf_get_changed()) {
	573	name = getenv("KCONFIG_NOSILENTUPDATE");
	574	if (name && *name) {
	575	fprintf(stderr,
	576	_("\n*** Kernel configuration requires explicit update.\n\n"));
	577	return 1;
	578	}
	579	}
	580	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	581	}
	582
f443d2ec	583	switch (input_mode) {
4062f1a4	584	case allnoconfig:
f443d2ec SR	585	conf_set_all_new_symbols(def_no);
f443d2ec SR	586	break;
4062f1a4	587	case allyesconfig:
f443d2ec SR	588	conf_set_all_new_symbols(def_yes);
f443d2ec SR	589	break;
4062f1a4	590	case allmodconfig:
f443d2ec SR	591	conf_set_all_new_symbols(def_mod);
f443d2ec SR	592	break;
4062f1a4	593	case randconfig:
f443d2ec SR	594	conf_set_all_new_symbols(def_random);
f443d2ec SR	595	break;
4062f1a4	596	case defconfig:
09748e17 SR	597	conf_set_all_new_symbols(def_default);
09748e17 SR	598	break;
4062f1a4 SR	599	case oldconfig:
4062f1a4 SR	600	case oldaskconfig:
204c96f6	601	rootEntry = &rootmenu;
204c96f6	602	conf(&rootmenu);
4062f1a4	603	input_mode = silentoldconfig;
204c96f6	604	/* fall through */
4062f1a4 SR	605	case nonint_oldconfig:
	606	case loose_nonint_oldconfig:
	607	case silentoldconfig:
204c96f6	608	/* Update until a loop caused no more changes */
	609	do {
	610	conf_cnt = 0;
	611	check_conf(&rootmenu);
f0778c8c	612	} while (conf_cnt &&
4062f1a4 SR	613	(input_mode != nonint_oldconfig &&
4062f1a4 SR	614	input_mode != loose_nonint_oldconfig));
f443d2ec SR	615	break;
f443d2ec SR	616	}
1da177e4	617
204c96f6	618	if (sync_kconfig) {
	619	/* silentoldconfig is used during the build so we shall update autoconf.
	620	* All other commands are only used to generate a config.
	621	*/
	622	if (conf_get_changed() && conf_write(NULL)) {
	623	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	624	exit(1);
	625	}
	626	if (conf_write_autoconf()) {
	627	fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
	628	return 1;
	629	}
4062f1a4	630	} else if (!unset_variables \|\| input_mode != nonint_oldconfig) {
204c96f6	631	if (conf_write(NULL)) {
	632	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	633	exit(1);
	634	}
c955ccaf	635	}
f0778c8c	636	return unset_variables ? EUNSETOPT : 0;
1da177e4	637	}