[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,
	alldefconfig,
	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},
	{"alldefconfig",    no_argument,       NULL, alldefconfig},
	{"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 alldefconfig:
	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 alldefconfig:	name = "alldef.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 alldefconfig:
		conf_set_all_new_symbols(def_default);
		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,
0748cb3e	30	alldefconfig,
4062f1a4 SR	31	randconfig,
4062f1a4 SR	32	defconfig,
861b4ea4	33	listnewconfig,
ef61ca88	34	oldnoconfig,
4062f1a4 SR	35	} input_mode = oldaskconfig;
4062f1a4 SR	36
1da177e4 LT	37	char *defconfig_file;
	38
	39	static int indent = 1;
	40	static int valid_stdin = 1;
204c96f6	41	static int sync_kconfig;
1da177e4	42	static int conf_cnt;
48b9d03c	43	static char line[128];
1da177e4 LT	44	static struct menu *rootEntry;
1da177e4 LT	45
66c4bd80	46	static void print_help(struct menu *menu)
03d29122	47	{
66c4bd80 CR	48	struct gstr help = str_new();
	49
	50	menu_get_ext_help(menu, &help);
	51
	52	printf("\n%s\n", str_get(&help));
	53	str_free(&help);
03d29122 SR	54	}
03d29122 SR	55
48b9d03c	56	static void strip(char *str)
1da177e4	57	{
48b9d03c	58	char *p = str;
1da177e4 LT	59	int l;
	60
	61	while ((isspace(*p)))
	62	p++;
	63	l = strlen(p);
	64	if (p != str)
	65	memmove(str, p, l + 1);
	66	if (!l)
	67	return;
	68	p = str + l - 1;
	69	while ((isspace(*p)))
	70	*p-- = 0;
	71	}
	72
	73	static void check_stdin(void)
	74	{
204c96f6	75	if (!valid_stdin) {
3b9fa093 ACM	76	printf(_("aborted!\n\n"));
	77	printf(_("Console input/output is redirected. "));
	78	printf(_("Run 'make oldconfig' to update configuration.\n\n"));
1da177e4 LT	79	exit(1);
	80	}
	81	}
	82
f82f3f94	83	static int conf_askvalue(struct symbol sym, const char def)
1da177e4 LT	84	{
1da177e4 LT	85	enum symbol_type type = sym_get_type(sym);
1da177e4 LT	86
1da177e4 LT	87	if (!sym_has_value(sym))
534a450c	88	printf(_("(NEW) "));
1da177e4 LT	89
	90	line[0] = '\n';
	91	line[1] = 0;
	92
	93	if (!sym_is_changable(sym)) {
	94	printf("%s\n", def);
	95	line[0] = '\n';
	96	line[1] = 0;
f82f3f94	97	return 0;
1da177e4 LT	98	}
	99
	100	switch (input_mode) {
4062f1a4 SR	101	case oldconfig:
4062f1a4 SR	102	case silentoldconfig:
1da177e4 LT	103	if (sym_has_value(sym)) {
1da177e4 LT	104	printf("%s\n", def);
f82f3f94	105	return 0;
1da177e4 LT	106	}
1da177e4 LT	107	check_stdin();
4062f1a4	108	case oldaskconfig:
1da177e4	109	fflush(stdout);
59c6a3f4	110	fgets(line, 128, stdin);
f82f3f94	111	return 1;
1da177e4 LT	112	default:
	113	break;
	114	}
	115
	116	switch (type) {
	117	case S_INT:
	118	case S_HEX:
	119	case S_STRING:
	120	printf("%s\n", def);
f82f3f94	121	return 1;
1da177e4 LT	122	default:
	123	;
	124	}
1da177e4	125	printf("%s", line);
f82f3f94	126	return 1;
1da177e4 LT	127	}
1da177e4 LT	128
4356f489	129	static int conf_string(struct menu *menu)
1da177e4 LT	130	{
1da177e4 LT	131	struct symbol *sym = menu->sym;
03d29122	132	const char *def;
1da177e4 LT	133
1da177e4 LT	134	while (1) {
534a450c	135	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	136	printf("(%s) ", sym->name);
	137	def = sym_get_string_value(sym);
	138	if (sym_get_string_value(sym))
	139	printf("[%s] ", def);
f82f3f94 RZ	140	if (!conf_askvalue(sym, def))
f82f3f94 RZ	141	return 0;
1da177e4 LT	142	switch (line[0]) {
	143	case '\n':
	144	break;
	145	case '?':
	146	/* print help */
	147	if (line[1] == '\n') {
66c4bd80	148	print_help(menu);
1da177e4 LT	149	def = NULL;
	150	break;
	151	}
	152	default:
	153	line[strlen(line)-1] = 0;
	154	def = line;
	155	}
	156	if (def && sym_set_string_value(sym, def))
	157	return 0;
	158	}
	159	}
	160
	161	static int conf_sym(struct menu *menu)
	162	{
	163	struct symbol *sym = menu->sym;
1da177e4	164	tristate oldval, newval;
1da177e4 LT	165
1da177e4 LT	166	while (1) {
534a450c	167	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	168	if (sym->name)
1da177e4 LT	169	printf("(%s) ", sym->name);
1da177e4 LT	170	putchar('[');
	171	oldval = sym_get_tristate_value(sym);
	172	switch (oldval) {
	173	case no:
	174	putchar('N');
	175	break;
	176	case mod:
	177	putchar('M');
	178	break;
	179	case yes:
	180	putchar('Y');
	181	break;
	182	}
	183	if (oldval != no && sym_tristate_within_range(sym, no))
	184	printf("/n");
	185	if (oldval != mod && sym_tristate_within_range(sym, mod))
	186	printf("/m");
	187	if (oldval != yes && sym_tristate_within_range(sym, yes))
	188	printf("/y");
03d29122	189	if (menu_has_help(menu))
1da177e4 LT	190	printf("/?");
1da177e4 LT	191	printf("] ");
f82f3f94 RZ	192	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	193	return 0;
1da177e4 LT	194	strip(line);
	195
	196	switch (line[0]) {
	197	case 'n':
	198	case 'N':
	199	newval = no;
	200	if (!line[1] \|\| !strcmp(&line[1], "o"))
	201	break;
	202	continue;
	203	case 'm':
	204	case 'M':
	205	newval = mod;
	206	if (!line[1])
	207	break;
	208	continue;
	209	case 'y':
	210	case 'Y':
	211	newval = yes;
	212	if (!line[1] \|\| !strcmp(&line[1], "es"))
	213	break;
	214	continue;
	215	case 0:
	216	newval = oldval;
	217	break;
	218	case '?':
	219	goto help;
	220	default:
	221	continue;
	222	}
	223	if (sym_set_tristate_value(sym, newval))
	224	return 0;
	225	help:
66c4bd80	226	print_help(menu);
1da177e4 LT	227	}
	228	}
	229
	230	static int conf_choice(struct menu *menu)
	231	{
	232	struct symbol sym, def_sym;
	233	struct menu *child;
1da177e4 LT	234	bool is_new;
	235
	236	sym = menu->sym;
1da177e4 LT	237	is_new = !sym_has_value(sym);
	238	if (sym_is_changable(sym)) {
	239	conf_sym(menu);
	240	sym_calc_value(sym);
	241	switch (sym_get_tristate_value(sym)) {
	242	case no:
	243	return 1;
	244	case mod:
	245	return 0;
	246	case yes:
	247	break;
	248	}
	249	} else {
	250	switch (sym_get_tristate_value(sym)) {
	251	case no:
	252	return 1;
	253	case mod:
534a450c	254	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	255	return 0;
	256	case yes:
	257	break;
	258	}
	259	}
	260
	261	while (1) {
	262	int cnt, def;
	263
534a450c	264	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	265	def_sym = sym_get_choice_value(sym);
1da177e4 LT	266	cnt = def = 0;
40aee729	267	line[0] = 0;
1da177e4 LT	268	for (child = menu->list; child; child = child->next) {
	269	if (!menu_is_visible(child))
	270	continue;
	271	if (!child->sym) {
534a450c	272	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	273	continue;
	274	}
	275	cnt++;
	276	if (child->sym == def_sym) {
	277	def = cnt;
	278	printf("%*c", indent, '>');
	279	} else
	280	printf("%*c", indent, ' ');
534a450c	281	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	282	if (child->sym->name)
	283	printf(" (%s)", child->sym->name);
	284	if (!sym_has_value(child->sym))
534a450c	285	printf(_(" (NEW)"));
1da177e4 LT	286	printf("\n");
1da177e4 LT	287	}
534a450c	288	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	289	if (cnt == 1) {
	290	printf("[1]: 1\n");
	291	goto conf_childs;
	292	}
	293	printf("[1-%d", cnt);
03d29122	294	if (menu_has_help(menu))
1da177e4 LT	295	printf("?");
	296	printf("]: ");
	297	switch (input_mode) {
4062f1a4 SR	298	case oldconfig:
4062f1a4 SR	299	case silentoldconfig:
1da177e4 LT	300	if (!is_new) {
	301	cnt = def;
	302	printf("%d\n", cnt);
	303	break;
	304	}
	305	check_stdin();
4062f1a4	306	case oldaskconfig:
1da177e4	307	fflush(stdout);
59c6a3f4	308	fgets(line, 128, stdin);
1da177e4 LT	309	strip(line);
1da177e4 LT	310	if (line[0] == '?') {
66c4bd80	311	print_help(menu);
1da177e4 LT	312	continue;
	313	}
	314	if (!line[0])
	315	cnt = def;
	316	else if (isdigit(line[0]))
	317	cnt = atoi(line);
	318	else
	319	continue;
	320	break;
f443d2ec SR	321	default:
f443d2ec SR	322	break;
1da177e4 LT	323	}
	324
	325	conf_childs:
	326	for (child = menu->list; child; child = child->next) {
	327	if (!child->sym \|\| !menu_is_visible(child))
	328	continue;
	329	if (!--cnt)
	330	break;
	331	}
	332	if (!child)
	333	continue;
	334	if (line[strlen(line) - 1] == '?') {
66c4bd80	335	print_help(child);
1da177e4 LT	336	continue;
	337	}
	338	sym_set_choice_value(sym, child->sym);
f5eaa323	339	for (child = child->list; child; child = child->next) {
1da177e4	340	indent += 2;
f5eaa323	341	conf(child);
1da177e4 LT	342	indent -= 2;
	343	}
	344	return 1;
	345	}
	346	}
	347
	348	static void conf(struct menu *menu)
	349	{
	350	struct symbol *sym;
	351	struct property *prop;
	352	struct menu *child;
	353
	354	if (!menu_is_visible(menu))
	355	return;
	356
	357	sym = menu->sym;
	358	prop = menu->prompt;
	359	if (prop) {
	360	const char *prompt;
	361
	362	switch (prop->type) {
	363	case P_MENU:
4062f1a4	364	if ((input_mode == silentoldconfig \|\|
861b4ea4	365	input_mode == listnewconfig \|\|
ef61ca88	366	input_mode == oldnoconfig) &&
f0778c8c	367	rootEntry != menu) {
1da177e4 LT	368	check_conf(menu);
	369	return;
	370	}
	371	case P_COMMENT:
	372	prompt = menu_get_prompt(menu);
	373	if (prompt)
	374	printf("%c\n%c %s\n%*c\n",
	375	indent, '*',
534a450c	376	indent, '*', _(prompt),
1da177e4 LT	377	indent, '*');
	378	default:
	379	;
	380	}
	381	}
	382
	383	if (!sym)
	384	goto conf_childs;
	385
	386	if (sym_is_choice(sym)) {
	387	conf_choice(menu);
	388	if (sym->curr.tri != mod)
	389	return;
	390	goto conf_childs;
	391	}
	392
	393	switch (sym->type) {
	394	case S_INT:
	395	case S_HEX:
	396	case S_STRING:
	397	conf_string(menu);
	398	break;
	399	default:
	400	conf_sym(menu);
	401	break;
	402	}
	403
	404	conf_childs:
	405	if (sym)
	406	indent += 2;
	407	for (child = menu->list; child; child = child->next)
	408	conf(child);
	409	if (sym)
	410	indent -= 2;
	411	}
	412
	413	static void check_conf(struct menu *menu)
	414	{
	415	struct symbol *sym;
	416	struct menu *child;
	417
	418	if (!menu_is_visible(menu))
	419	return;
	420
	421	sym = menu->sym;
3f23ca2b RZ	422	if (sym && !sym_has_value(sym)) {
	423	if (sym_is_changable(sym) \|\|
	424	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
861b4ea4 SR	425	if (input_mode == listnewconfig) {
	426	if (sym->name && !sym_is_choice_value(sym)) {
	427	printf("CONFIG_%s\n", sym->name);
f0778c8c AR	428	}
	429	} else {
	430	if (!conf_cnt++)
	431	printf(_("\n Restart config...\n*\n"));
	432	rootEntry = menu_get_parent_menu(menu);
	433	conf(rootEntry);
	434	}
1da177e4	435	}
1da177e4 LT	436	}
	437
	438	for (child = menu->list; child; child = child->next)
	439	check_conf(child);
	440	}
	441
4062f1a4 SR	442	static struct option long_opts[] = {
	443	{"oldaskconfig", no_argument, NULL, oldaskconfig},
	444	{"oldconfig", no_argument, NULL, oldconfig},
	445	{"silentoldconfig", no_argument, NULL, silentoldconfig},
	446	{"defconfig", optional_argument, NULL, defconfig},
	447	{"allnoconfig", no_argument, NULL, allnoconfig},
	448	{"allyesconfig", no_argument, NULL, allyesconfig},
	449	{"allmodconfig", no_argument, NULL, allmodconfig},
0748cb3e	450	{"alldefconfig", no_argument, NULL, alldefconfig},
4062f1a4	451	{"randconfig", no_argument, NULL, randconfig},
861b4ea4	452	{"listnewconfig", no_argument, NULL, listnewconfig},
ef61ca88	453	{"oldnoconfig", no_argument, NULL, oldnoconfig},
4062f1a4 SR	454	{NULL, 0, NULL, 0}
	455	};
	456
1da177e4 LT	457	int main(int ac, char **av)
1da177e4 LT	458	{
2f4b489b	459	int opt;
1da177e4 LT	460	const char *name;
	461	struct stat tmpstat;
	462
534a450c EG	463	setlocale(LC_ALL, "");
	464	bindtextdomain(PACKAGE, LOCALEDIR);
	465	textdomain(PACKAGE);
	466
4062f1a4 SR	467	while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
4062f1a4 SR	468	input_mode = (enum input_mode)opt;
2f4b489b	469	switch (opt) {
4062f1a4	470	case silentoldconfig:
204c96f6	471	sync_kconfig = 1;
1da177e4	472	break;
4062f1a4	473	case defconfig:
2f4b489b	474	defconfig_file = optarg;
1da177e4	475	break;
4062f1a4	476	case randconfig:
b0fe5510 IM	477	{
	478	struct timeval now;
	479	unsigned int seed;
	480
	481	/*
	482	* Use microseconds derived seed,
	483	* compensate for systems where it may be zero
	484	*/
	485	gettimeofday(&now, NULL);
	486
	487	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	488	srand(seed);
1da177e4	489	break;
b0fe5510	490	}
4062f1a4	491	case '?':
534a450c	492	fprintf(stderr, _("See README for usage info\n"));
2f4b489b	493	exit(1);
4062f1a4	494	break;
1da177e4 LT	495	}
1da177e4 LT	496	}
2f4b489b	497	if (ac == optind) {
3b9fa093	498	printf(_("%s: Kconfig file missing\n"), av[0]);
250725aa	499	exit(1);
1da177e4	500	}
2f4b489b	501	name = av[optind];
1da177e4 LT	502	conf_parse(name);
1da177e4 LT	503	//zconfdump(stdout);
204c96f6	504	if (sync_kconfig) {
284026cd MH	505	name = conf_get_configname();
284026cd MH	506	if (stat(name, &tmpstat)) {
204c96f6	507	fprintf(stderr, _("***\n"
204c96f6	508	"*** You have not yet configured your kernel!\n"
284026cd	509	"*** (missing kernel config file \"%s\")\n"
204c96f6	510	"***\n"
	511	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	512	"*** \"make menuconfig\" or \"make xconfig\").\n"
284026cd	513	"***\n"), name);
204c96f6	514	exit(1);
	515	}
	516	}
	517
1da177e4	518	switch (input_mode) {
4062f1a4	519	case defconfig:
1da177e4 LT	520	if (!defconfig_file)
	521	defconfig_file = conf_get_default_confname();
	522	if (conf_read(defconfig_file)) {
534a450c	523	printf(_("***\n"
1da177e4	524	"*** Can't find default configuration \"%s\"!\n"
534a450c	525	"***\n"), defconfig_file);
1da177e4 LT	526	exit(1);
	527	}
	528	break;
4062f1a4 SR	529	case silentoldconfig:
	530	case oldaskconfig:
	531	case oldconfig:
861b4ea4	532	case listnewconfig:
ef61ca88	533	case oldnoconfig:
1da177e4 LT	534	conf_read(NULL);
1da177e4 LT	535	break;
4062f1a4 SR	536	case allnoconfig:
	537	case allyesconfig:
	538	case allmodconfig:
0748cb3e	539	case alldefconfig:
4062f1a4	540	case randconfig:
90389160 RZ	541	name = getenv("KCONFIG_ALLCONFIG");
90389160 RZ	542	if (name && !stat(name, &tmpstat)) {
669bfad9	543	conf_read_simple(name, S_DEF_USER);
90389160 RZ	544	break;
	545	}
	546	switch (input_mode) {
4062f1a4 SR	547	case allnoconfig: name = "allno.config"; break;
	548	case allyesconfig: name = "allyes.config"; break;
	549	case allmodconfig: name = "allmod.config"; break;
0748cb3e	550	case alldefconfig: name = "alldef.config"; break;
4062f1a4	551	case randconfig: name = "allrandom.config"; break;
90389160 RZ	552	default: break;
	553	}
	554	if (!stat(name, &tmpstat))
669bfad9	555	conf_read_simple(name, S_DEF_USER);
90389160	556	else if (!stat("all.config", &tmpstat))
669bfad9	557	conf_read_simple("all.config", S_DEF_USER);
90389160	558	break;
1da177e4 LT	559	default:
	560	break;
	561	}
204c96f6	562
	563	if (sync_kconfig) {
	564	if (conf_get_changed()) {
	565	name = getenv("KCONFIG_NOSILENTUPDATE");
	566	if (name && *name) {
	567	fprintf(stderr,
	568	_("\n*** Kernel configuration requires explicit update.\n\n"));
	569	return 1;
	570	}
	571	}
	572	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	573	}
	574
f443d2ec	575	switch (input_mode) {
4062f1a4	576	case allnoconfig:
f443d2ec SR	577	conf_set_all_new_symbols(def_no);
f443d2ec SR	578	break;
4062f1a4	579	case allyesconfig:
f443d2ec SR	580	conf_set_all_new_symbols(def_yes);
f443d2ec SR	581	break;
4062f1a4	582	case allmodconfig:
f443d2ec SR	583	conf_set_all_new_symbols(def_mod);
f443d2ec SR	584	break;
0748cb3e SR	585	case alldefconfig:
	586	conf_set_all_new_symbols(def_default);
	587	break;
4062f1a4	588	case randconfig:
f443d2ec SR	589	conf_set_all_new_symbols(def_random);
f443d2ec SR	590	break;
4062f1a4	591	case defconfig:
09748e17 SR	592	conf_set_all_new_symbols(def_default);
09748e17 SR	593	break;
4062f1a4 SR	594	case oldconfig:
4062f1a4 SR	595	case oldaskconfig:
204c96f6	596	rootEntry = &rootmenu;
204c96f6	597	conf(&rootmenu);
4062f1a4	598	input_mode = silentoldconfig;
204c96f6	599	/* fall through */
861b4ea4	600	case listnewconfig:
ef61ca88	601	case oldnoconfig:
4062f1a4	602	case silentoldconfig:
204c96f6	603	/* Update until a loop caused no more changes */
	604	do {
	605	conf_cnt = 0;
	606	check_conf(&rootmenu);
f0778c8c	607	} while (conf_cnt &&
861b4ea4	608	(input_mode != listnewconfig &&
ef61ca88	609	input_mode != oldnoconfig));
f443d2ec SR	610	break;
f443d2ec SR	611	}
1da177e4	612
204c96f6	613	if (sync_kconfig) {
	614	/* silentoldconfig is used during the build so we shall update autoconf.
	615	* All other commands are only used to generate a config.
	616	*/
	617	if (conf_get_changed() && conf_write(NULL)) {
	618	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	619	exit(1);
	620	}
	621	if (conf_write_autoconf()) {
	622	fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
	623	return 1;
	624	}
861b4ea4	625	} else if (input_mode != listnewconfig) {
204c96f6	626	if (conf_write(NULL)) {
	627	fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
	628	exit(1);
	629	}
c955ccaf	630	}
861b4ea4	631	return 0;
1da177e4	632	}