[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>

#include "lkc.h"

static void conf(struct menu *menu);
static void check_conf(struct menu *menu);
static void xfgets(char *str, int size, FILE *in);

enum input_mode {
	oldaskconfig,
	silentoldconfig,
	oldconfig,
	allnoconfig,
	allyesconfig,
	allmodconfig,
	alldefconfig,
	randconfig,
	defconfig,
	savedefconfig,
	listnewconfig,
	oldnoconfig,
} input_mode = oldaskconfig;

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();
		/* fall through */
	case oldaskconfig:
		fflush(stdout);
		xfgets(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;
			}
			/* fall through */
		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();
			/* fall through */
		case oldaskconfig:
			fflush(stdout);
			xfgets(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[0] && 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;
			}
			/* fall through */
		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("%s%s\n", CONFIG_, sym->name);
				}
			} else if (input_mode != oldnoconfig) {
				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},
	{"savedefconfig",   required_argument, NULL, savedefconfig},
	{"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}
};

static void conf_usage(const char *progname)
{

	printf("Usage: %s [option] <kconfig-file>\n", progname);
	printf("[option] is _one_ of the following:\n");
	printf("  --listnewconfig         List new options\n");
	printf("  --oldaskconfig          Start a new configuration using a line-oriented program\n");
	printf("  --oldconfig             Update a configuration using a provided .config as base\n");
	printf("  --silentoldconfig       Same as oldconfig, but quietly, additionally update deps\n");
	printf("  --oldnoconfig           Same as silentoldconfig but set new symbols to no\n");
	printf("  --defconfig <file>      New config with default defined in <file>\n");
	printf("  --savedefconfig <file>  Save the minimal current configuration to <file>\n");
	printf("  --allnoconfig           New config where all options are answered with no\n");
	printf("  --allyesconfig          New config where all options are answered with yes\n");
	printf("  --allmodconfig          New config where all options are answered with mod\n");
	printf("  --alldefconfig          New config with all symbols set to default\n");
	printf("  --randconfig            New config with random answer to all options\n");
}

int main(int ac, char **av)
{
	const char *progname = av[0];
	int opt;
	const char *name, *defconfig_file = NULL /* gcc uninit */;
	struct stat tmpstat;

	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);

	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
		input_mode = (enum input_mode)opt;
		switch (opt) {
		case silentoldconfig:
			sync_kconfig = 1;
			break;
		case defconfig:
		case savedefconfig:
			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 oldaskconfig:
		case oldconfig:
		case allnoconfig:
		case allyesconfig:
		case allmodconfig:
		case alldefconfig:
		case listnewconfig:
		case oldnoconfig:
			break;
		case '?':
			conf_usage(progname);
			exit(1);
			break;
		}
	}
	if (ac == optind) {
		printf(_("%s: Kconfig file missing\n"), av[0]);
		conf_usage(progname);
		exit(1);
	}
	name = av[optind];
	conf_parse(name);
	//zconfdump(stdout);
	if (sync_kconfig) {
		name = conf_get_configname();
		if (stat(name, &tmpstat)) {
			fprintf(stderr, _("***\n"
				"*** Configuration file \"%s\" not found!\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 savedefconfig:
	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)
			break;
		if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
			if (conf_read_simple(name, S_DEF_USER)) {
				fprintf(stderr,
					_("*** Can't read seed configuration \"%s\"!\n"),
					name);
				exit(1);
			}
			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 (conf_read_simple(name, S_DEF_USER) &&
		    conf_read_simple("all.config", S_DEF_USER)) {
			fprintf(stderr,
				_("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
				name);
			exit(1);
		}
		break;
	default:
		break;
	}

	if (sync_kconfig) {
		if (conf_get_changed()) {
			name = getenv("KCONFIG_NOSILENTUPDATE");
			if (name && *name) {
				fprintf(stderr,
					_("\n*** The 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 savedefconfig:
		break;
	case oldaskconfig:
		rootEntry = &rootmenu;
		conf(&rootmenu);
		input_mode = silentoldconfig;
		/* fall through */
	case oldconfig:
	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 configuration.\n\n"));
			exit(1);
		}
		if (conf_write_autoconf()) {
			fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
			return 1;
		}
	} else if (input_mode == savedefconfig) {
		if (conf_write_defconfig(defconfig_file)) {
			fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
			        defconfig_file);
			return 1;
		}
	} else if (input_mode != listnewconfig) {
		if (conf_write(NULL)) {
			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
			exit(1);
		}
	}
	return 0;
}

/*
 * Helper function to facilitate fgets() by Jean Sacren.
 */
void xfgets(char *str, int size, FILE *in)
{
	if (fgets(str, size, in) == NULL)
		fprintf(stderr, "\nError in reading or end of file.\n");
}
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	16
1da177e4 LT	17	#include "lkc.h"
	18
	19	static void conf(struct menu *menu);
	20	static void check_conf(struct menu *menu);
ab63f58f	21	static void xfgets(char str, int size, FILE in);
1da177e4	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,
7cf3d73b	33	savedefconfig,
861b4ea4	34	listnewconfig,
ef61ca88	35	oldnoconfig,
4062f1a4 SR	36	} input_mode = oldaskconfig;
4062f1a4 SR	37
1da177e4 LT	38	static int indent = 1;
1da177e4 LT	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();
d8fc3200	107	/* fall through */
4062f1a4	108	case oldaskconfig:
1da177e4	109	fflush(stdout);
4418a2b9	110	xfgets(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	}
d8fc3200	152	/* fall through */
1da177e4 LT	153	default:
	154	line[strlen(line)-1] = 0;
	155	def = line;
	156	}
	157	if (def && sym_set_string_value(sym, def))
	158	return 0;
	159	}
	160	}
	161
	162	static int conf_sym(struct menu *menu)
	163	{
	164	struct symbol *sym = menu->sym;
1da177e4	165	tristate oldval, newval;
1da177e4 LT	166
1da177e4 LT	167	while (1) {
534a450c	168	printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
1da177e4 LT	169	if (sym->name)
1da177e4 LT	170	printf("(%s) ", sym->name);
1da177e4 LT	171	putchar('[');
	172	oldval = sym_get_tristate_value(sym);
	173	switch (oldval) {
	174	case no:
	175	putchar('N');
	176	break;
	177	case mod:
	178	putchar('M');
	179	break;
	180	case yes:
	181	putchar('Y');
	182	break;
	183	}
	184	if (oldval != no && sym_tristate_within_range(sym, no))
	185	printf("/n");
	186	if (oldval != mod && sym_tristate_within_range(sym, mod))
	187	printf("/m");
	188	if (oldval != yes && sym_tristate_within_range(sym, yes))
	189	printf("/y");
03d29122	190	if (menu_has_help(menu))
1da177e4 LT	191	printf("/?");
1da177e4 LT	192	printf("] ");
f82f3f94 RZ	193	if (!conf_askvalue(sym, sym_get_string_value(sym)))
f82f3f94 RZ	194	return 0;
1da177e4 LT	195	strip(line);
	196
	197	switch (line[0]) {
	198	case 'n':
	199	case 'N':
	200	newval = no;
	201	if (!line[1] \|\| !strcmp(&line[1], "o"))
	202	break;
	203	continue;
	204	case 'm':
	205	case 'M':
	206	newval = mod;
	207	if (!line[1])
	208	break;
	209	continue;
	210	case 'y':
	211	case 'Y':
	212	newval = yes;
	213	if (!line[1] \|\| !strcmp(&line[1], "es"))
	214	break;
	215	continue;
	216	case 0:
	217	newval = oldval;
	218	break;
	219	case '?':
	220	goto help;
	221	default:
	222	continue;
	223	}
	224	if (sym_set_tristate_value(sym, newval))
	225	return 0;
	226	help:
66c4bd80	227	print_help(menu);
1da177e4 LT	228	}
	229	}
	230
	231	static int conf_choice(struct menu *menu)
	232	{
	233	struct symbol sym, def_sym;
	234	struct menu *child;
1da177e4 LT	235	bool is_new;
	236
	237	sym = menu->sym;
1da177e4 LT	238	is_new = !sym_has_value(sym);
	239	if (sym_is_changable(sym)) {
	240	conf_sym(menu);
	241	sym_calc_value(sym);
	242	switch (sym_get_tristate_value(sym)) {
	243	case no:
	244	return 1;
	245	case mod:
	246	return 0;
	247	case yes:
	248	break;
	249	}
	250	} else {
	251	switch (sym_get_tristate_value(sym)) {
	252	case no:
	253	return 1;
	254	case mod:
534a450c	255	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	256	return 0;
	257	case yes:
	258	break;
	259	}
	260	}
	261
	262	while (1) {
	263	int cnt, def;
	264
534a450c	265	printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
1da177e4 LT	266	def_sym = sym_get_choice_value(sym);
1da177e4 LT	267	cnt = def = 0;
40aee729	268	line[0] = 0;
1da177e4 LT	269	for (child = menu->list; child; child = child->next) {
	270	if (!menu_is_visible(child))
	271	continue;
	272	if (!child->sym) {
534a450c	273	printf("%c %s\n", indent, '', _(menu_get_prompt(child)));
1da177e4 LT	274	continue;
	275	}
	276	cnt++;
	277	if (child->sym == def_sym) {
	278	def = cnt;
	279	printf("%*c", indent, '>');
	280	} else
	281	printf("%*c", indent, ' ');
534a450c	282	printf(" %d. %s", cnt, _(menu_get_prompt(child)));
1da177e4 LT	283	if (child->sym->name)
	284	printf(" (%s)", child->sym->name);
	285	if (!sym_has_value(child->sym))
534a450c	286	printf(_(" (NEW)"));
1da177e4 LT	287	printf("\n");
1da177e4 LT	288	}
534a450c	289	printf(_("%*schoice"), indent - 1, "");
1da177e4 LT	290	if (cnt == 1) {
	291	printf("[1]: 1\n");
	292	goto conf_childs;
	293	}
	294	printf("[1-%d", cnt);
03d29122	295	if (menu_has_help(menu))
1da177e4 LT	296	printf("?");
	297	printf("]: ");
	298	switch (input_mode) {
4062f1a4 SR	299	case oldconfig:
4062f1a4 SR	300	case silentoldconfig:
1da177e4 LT	301	if (!is_new) {
	302	cnt = def;
	303	printf("%d\n", cnt);
	304	break;
	305	}
	306	check_stdin();
d8fc3200	307	/* fall through */
4062f1a4	308	case oldaskconfig:
1da177e4	309	fflush(stdout);
4418a2b9	310	xfgets(line, 128, stdin);
1da177e4 LT	311	strip(line);
1da177e4 LT	312	if (line[0] == '?') {
66c4bd80	313	print_help(menu);
1da177e4 LT	314	continue;
	315	}
	316	if (!line[0])
	317	cnt = def;
	318	else if (isdigit(line[0]))
	319	cnt = atoi(line);
	320	else
	321	continue;
	322	break;
f443d2ec SR	323	default:
f443d2ec SR	324	break;
1da177e4 LT	325	}
	326
	327	conf_childs:
	328	for (child = menu->list; child; child = child->next) {
	329	if (!child->sym \|\| !menu_is_visible(child))
	330	continue;
	331	if (!--cnt)
	332	break;
	333	}
	334	if (!child)
	335	continue;
3ba41621	336	if (line[0] && line[strlen(line) - 1] == '?') {
66c4bd80	337	print_help(child);
1da177e4 LT	338	continue;
	339	}
	340	sym_set_choice_value(sym, child->sym);
f5eaa323	341	for (child = child->list; child; child = child->next) {
1da177e4	342	indent += 2;
f5eaa323	343	conf(child);
1da177e4 LT	344	indent -= 2;
	345	}
	346	return 1;
	347	}
	348	}
	349
	350	static void conf(struct menu *menu)
	351	{
	352	struct symbol *sym;
	353	struct property *prop;
	354	struct menu *child;
	355
	356	if (!menu_is_visible(menu))
	357	return;
	358
	359	sym = menu->sym;
	360	prop = menu->prompt;
	361	if (prop) {
	362	const char *prompt;
	363
	364	switch (prop->type) {
	365	case P_MENU:
4062f1a4	366	if ((input_mode == silentoldconfig \|\|
861b4ea4	367	input_mode == listnewconfig \|\|
ef61ca88	368	input_mode == oldnoconfig) &&
f0778c8c	369	rootEntry != menu) {
1da177e4 LT	370	check_conf(menu);
	371	return;
	372	}
d8fc3200	373	/* fall through */
1da177e4 LT	374	case P_COMMENT:
	375	prompt = menu_get_prompt(menu);
	376	if (prompt)
	377	printf("%c\n%c %s\n%*c\n",
	378	indent, '*',
534a450c	379	indent, '*', _(prompt),
1da177e4 LT	380	indent, '*');
	381	default:
	382	;
	383	}
	384	}
	385
	386	if (!sym)
	387	goto conf_childs;
	388
	389	if (sym_is_choice(sym)) {
	390	conf_choice(menu);
	391	if (sym->curr.tri != mod)
	392	return;
	393	goto conf_childs;
	394	}
	395
	396	switch (sym->type) {
	397	case S_INT:
	398	case S_HEX:
	399	case S_STRING:
	400	conf_string(menu);
	401	break;
	402	default:
	403	conf_sym(menu);
	404	break;
	405	}
	406
	407	conf_childs:
	408	if (sym)
	409	indent += 2;
	410	for (child = menu->list; child; child = child->next)
	411	conf(child);
	412	if (sym)
	413	indent -= 2;
	414	}
	415
	416	static void check_conf(struct menu *menu)
	417	{
	418	struct symbol *sym;
	419	struct menu *child;
	420
	421	if (!menu_is_visible(menu))
	422	return;
	423
	424	sym = menu->sym;
3f23ca2b RZ	425	if (sym && !sym_has_value(sym)) {
	426	if (sym_is_changable(sym) \|\|
	427	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
861b4ea4 SR	428	if (input_mode == listnewconfig) {
861b4ea4 SR	429	if (sym->name && !sym_is_choice_value(sym)) {
ffb5957b	430	printf("%s%s\n", CONFIG_, sym->name);
f0778c8c	431	}
71d80662	432	} else if (input_mode != oldnoconfig) {
f0778c8c AR	433	if (!conf_cnt++)
	434	printf(_("\n Restart config...\n*\n"));
	435	rootEntry = menu_get_parent_menu(menu);
	436	conf(rootEntry);
	437	}
1da177e4	438	}
1da177e4 LT	439	}
	440
	441	for (child = menu->list; child; child = child->next)
	442	check_conf(child);
	443	}
	444
4062f1a4 SR	445	static struct option long_opts[] = {
	446	{"oldaskconfig", no_argument, NULL, oldaskconfig},
	447	{"oldconfig", no_argument, NULL, oldconfig},
	448	{"silentoldconfig", no_argument, NULL, silentoldconfig},
	449	{"defconfig", optional_argument, NULL, defconfig},
7cf3d73b	450	{"savedefconfig", required_argument, NULL, savedefconfig},
4062f1a4 SR	451	{"allnoconfig", no_argument, NULL, allnoconfig},
	452	{"allyesconfig", no_argument, NULL, allyesconfig},
	453	{"allmodconfig", no_argument, NULL, allmodconfig},
0748cb3e	454	{"alldefconfig", no_argument, NULL, alldefconfig},
4062f1a4	455	{"randconfig", no_argument, NULL, randconfig},
861b4ea4	456	{"listnewconfig", no_argument, NULL, listnewconfig},
ef61ca88	457	{"oldnoconfig", no_argument, NULL, oldnoconfig},
4062f1a4 SR	458	{NULL, 0, NULL, 0}
	459	};
	460
32543999 AL	461	static void conf_usage(const char *progname)
	462	{
	463
	464	printf("Usage: %s [option] <kconfig-file>\n", progname);
	465	printf("[option] is _one_ of the following:\n");
	466	printf(" --listnewconfig List new options\n");
	467	printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
	468	printf(" --oldconfig Update a configuration using a provided .config as base\n");
	469	printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
	470	printf(" --oldnoconfig Same as silentoldconfig but set new symbols to no\n");
	471	printf(" --defconfig <file> New config with default defined in <file>\n");
	472	printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
	473	printf(" --allnoconfig New config where all options are answered with no\n");
	474	printf(" --allyesconfig New config where all options are answered with yes\n");
	475	printf(" --allmodconfig New config where all options are answered with mod\n");
	476	printf(" --alldefconfig New config with all symbols set to default\n");
	477	printf(" --randconfig New config with random answer to all options\n");
	478	}
	479
1da177e4 LT	480	int main(int ac, char **av)
1da177e4 LT	481	{
32543999	482	const char *progname = av[0];
2f4b489b	483	int opt;
275744cc	484	const char name, defconfig_file = NULL /* gcc uninit */;
1da177e4 LT	485	struct stat tmpstat;
1da177e4 LT	486
534a450c EG	487	setlocale(LC_ALL, "");
	488	bindtextdomain(PACKAGE, LOCALEDIR);
	489	textdomain(PACKAGE);
	490
c94d3fb0	491	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
4062f1a4	492	input_mode = (enum input_mode)opt;
2f4b489b	493	switch (opt) {
4062f1a4	494	case silentoldconfig:
204c96f6	495	sync_kconfig = 1;
1da177e4	496	break;
4062f1a4	497	case defconfig:
7cf3d73b	498	case savedefconfig:
2f4b489b	499	defconfig_file = optarg;
1da177e4	500	break;
4062f1a4	501	case randconfig:
b0fe5510 IM	502	{
	503	struct timeval now;
	504	unsigned int seed;
	505
	506	/*
	507	* Use microseconds derived seed,
	508	* compensate for systems where it may be zero
	509	*/
	510	gettimeofday(&now, NULL);
	511
	512	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	513	srand(seed);
1da177e4	514	break;
b0fe5510	515	}
32543999 AL	516	case oldaskconfig:
	517	case oldconfig:
	518	case allnoconfig:
	519	case allyesconfig:
	520	case allmodconfig:
	521	case alldefconfig:
	522	case listnewconfig:
	523	case oldnoconfig:
	524	break;
4062f1a4	525	case '?':
32543999	526	conf_usage(progname);
2f4b489b	527	exit(1);
4062f1a4	528	break;
1da177e4 LT	529	}
1da177e4 LT	530	}
2f4b489b	531	if (ac == optind) {
3b9fa093	532	printf(_("%s: Kconfig file missing\n"), av[0]);
32543999	533	conf_usage(progname);
250725aa	534	exit(1);
1da177e4	535	}
2f4b489b	536	name = av[optind];
1da177e4 LT	537	conf_parse(name);
1da177e4 LT	538	//zconfdump(stdout);
204c96f6	539	if (sync_kconfig) {
284026cd MH	540	name = conf_get_configname();
284026cd MH	541	if (stat(name, &tmpstat)) {
204c96f6	542	fprintf(stderr, _("***\n"
652cf982	543	"*** Configuration file \"%s\" not found!\n"
204c96f6	544	"***\n"
	545	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	546	"*** \"make menuconfig\" or \"make xconfig\").\n"
284026cd	547	"***\n"), name);
204c96f6	548	exit(1);
	549	}
	550	}
	551
1da177e4	552	switch (input_mode) {
4062f1a4	553	case defconfig:
1da177e4 LT	554	if (!defconfig_file)
	555	defconfig_file = conf_get_default_confname();
	556	if (conf_read(defconfig_file)) {
534a450c	557	printf(_("***\n"
1da177e4	558	"*** Can't find default configuration \"%s\"!\n"
534a450c	559	"***\n"), defconfig_file);
1da177e4 LT	560	exit(1);
	561	}
	562	break;
7cf3d73b	563	case savedefconfig:
4062f1a4 SR	564	case silentoldconfig:
	565	case oldaskconfig:
	566	case oldconfig:
861b4ea4	567	case listnewconfig:
ef61ca88	568	case oldnoconfig:
1da177e4 LT	569	conf_read(NULL);
1da177e4 LT	570	break;
4062f1a4 SR	571	case allnoconfig:
	572	case allyesconfig:
	573	case allmodconfig:
0748cb3e	574	case alldefconfig:
4062f1a4	575	case randconfig:
90389160	576	name = getenv("KCONFIG_ALLCONFIG");
9f420bf0 EB	577	if (!name)
	578	break;
	579	if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
5efe241e EB	580	if (conf_read_simple(name, S_DEF_USER)) {
	581	fprintf(stderr,
	582	_("*** Can't read seed configuration \"%s\"!\n"),
	583	name);
	584	exit(1);
	585	}
90389160 RZ	586	break;
	587	}
	588	switch (input_mode) {
4062f1a4 SR	589	case allnoconfig: name = "allno.config"; break;
	590	case allyesconfig: name = "allyes.config"; break;
	591	case allmodconfig: name = "allmod.config"; break;
0748cb3e	592	case alldefconfig: name = "alldef.config"; break;
4062f1a4	593	case randconfig: name = "allrandom.config"; break;
90389160 RZ	594	default: break;
90389160 RZ	595	}
5efe241e EB	596	if (conf_read_simple(name, S_DEF_USER) &&
	597	conf_read_simple("all.config", S_DEF_USER)) {
	598	fprintf(stderr,
	599	_("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
	600	name);
	601	exit(1);
	602	}
90389160	603	break;
1da177e4 LT	604	default:
	605	break;
	606	}
204c96f6	607
	608	if (sync_kconfig) {
	609	if (conf_get_changed()) {
	610	name = getenv("KCONFIG_NOSILENTUPDATE");
	611	if (name && *name) {
	612	fprintf(stderr,
652cf982	613	_("\n*** The configuration requires explicit update.\n\n"));
204c96f6	614	return 1;
	615	}
	616	}
	617	valid_stdin = isatty(0) && isatty(1) && isatty(2);
	618	}
	619
f443d2ec	620	switch (input_mode) {
4062f1a4	621	case allnoconfig:
f443d2ec SR	622	conf_set_all_new_symbols(def_no);
f443d2ec SR	623	break;
4062f1a4	624	case allyesconfig:
f443d2ec SR	625	conf_set_all_new_symbols(def_yes);
f443d2ec SR	626	break;
4062f1a4	627	case allmodconfig:
f443d2ec SR	628	conf_set_all_new_symbols(def_mod);
f443d2ec SR	629	break;
0748cb3e SR	630	case alldefconfig:
	631	conf_set_all_new_symbols(def_default);
	632	break;
4062f1a4	633	case randconfig:
f443d2ec SR	634	conf_set_all_new_symbols(def_random);
f443d2ec SR	635	break;
4062f1a4	636	case defconfig:
09748e17 SR	637	conf_set_all_new_symbols(def_default);
09748e17 SR	638	break;
7cf3d73b SR	639	case savedefconfig:
7cf3d73b SR	640	break;
4062f1a4	641	case oldaskconfig:
204c96f6	642	rootEntry = &rootmenu;
204c96f6	643	conf(&rootmenu);
4062f1a4	644	input_mode = silentoldconfig;
204c96f6	645	/* fall through */
14828349	646	case oldconfig:
861b4ea4	647	case listnewconfig:
ef61ca88	648	case oldnoconfig:
4062f1a4	649	case silentoldconfig:
204c96f6	650	/* Update until a loop caused no more changes */
	651	do {
	652	conf_cnt = 0;
	653	check_conf(&rootmenu);
f0778c8c	654	} while (conf_cnt &&
861b4ea4	655	(input_mode != listnewconfig &&
ef61ca88	656	input_mode != oldnoconfig));
f443d2ec SR	657	break;
f443d2ec SR	658	}
1da177e4	659
204c96f6	660	if (sync_kconfig) {
	661	/* silentoldconfig is used during the build so we shall update autoconf.
	662	* All other commands are only used to generate a config.
	663	*/
	664	if (conf_get_changed() && conf_write(NULL)) {
652cf982	665	fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
204c96f6	666	exit(1);
	667	}
	668	if (conf_write_autoconf()) {
652cf982	669	fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
204c96f6	670	return 1;
204c96f6	671	}
7cf3d73b SR	672	} else if (input_mode == savedefconfig) {
	673	if (conf_write_defconfig(defconfig_file)) {
	674	fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
	675	defconfig_file);
	676	return 1;
	677	}
861b4ea4	678	} else if (input_mode != listnewconfig) {
204c96f6	679	if (conf_write(NULL)) {
652cf982	680	fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
204c96f6	681	exit(1);
204c96f6	682	}
c955ccaf	683	}
861b4ea4	684	return 0;
1da177e4	685	}
ab63f58f	686
4418a2b9 JS	687	/*
	688	* Helper function to facilitate fgets() by Jean Sacren.
	689	*/
ab63f58f	690	void xfgets(char str, int size, FILE in)
4418a2b9 JS	691	{
	692	if (fgets(str, size, in) == NULL)
	693	fprintf(stderr, "\nError in reading or end of file.\n");
	694	}