[thirdparty/u-boot.git] / scripts / kconfig / conf.c

/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <ctype.h>
#include <limits.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 <errno.h>

#include "lkc.h"

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

enum input_mode {
	oldaskconfig,
	syncconfig,
	oldconfig,
	allnoconfig,
	allyesconfig,
	allmodconfig,
	alldefconfig,
	randconfig,
	defconfig,
	savedefconfig,
	listnewconfig,
	olddefconfig,
};
static enum input_mode input_mode = oldaskconfig;

static int indent = 1;
static int tty_stdio;
static int sync_kconfig;
static int conf_cnt;
static char line[PATH_MAX];
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;
}

/* Helper function to facilitate fgets() by Jean Sacren. */
static void xfgets(char *str, int size, FILE *in)
{
	if (!fgets(str, size, in))
		fprintf(stderr, "\nError in reading or end of file.\n");

	if (!tty_stdio)
		printf("%s", str);
}

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 syncconfig:
		if (sym_has_value(sym)) {
			printf("%s\n", def);
			return 0;
		}
		/* fall through */
	case oldaskconfig:
		fflush(stdout);
		xfgets(line, sizeof(line), 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");
		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);
		switch (input_mode) {
		case oldconfig:
		case syncconfig:
			if (!is_new) {
				cnt = def;
				printf("%d\n", cnt);
				break;
			}
			/* fall through */
		case oldaskconfig:
			fflush(stdout);
			xfgets(line, sizeof(line), 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:
			/*
			 * Except in oldaskconfig mode, we show only menus that
			 * contain new symbols.
			 */
			if (input_mode != oldaskconfig && 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) {
					const char *str;

					if (sym->type == S_STRING) {
						str = sym_get_string_value(sym);
						str = sym_escape_string_value(str);
						printf("%s%s=%s\n", CONFIG_, sym->name, str);
						free((void *)str);
					} else {
						str = sym_get_string_value(sym);
						printf("%s%s=%s\n", CONFIG_, sym->name, str);
					}
				}
			} 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},
	{"syncconfig",      no_argument,       NULL, syncconfig},
	{"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},
	{"olddefconfig",    no_argument,       NULL, olddefconfig},
	{NULL, 0, NULL, 0}
};

static void conf_usage(const char *progname)
{

	printf("Usage: %s [-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("  --syncconfig            Similar to oldconfig but generates configuration in\n"
	       "                          include/{generated/,config/}\n");
	printf("  --olddefconfig          Same as oldconfig but sets new symbols to their default value\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;
	int no_conf_write = 0;

	tty_stdio = isatty(0) && isatty(1);

	while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
		if (opt == 's') {
			conf_set_message_callback(NULL);
			continue;
		}
		input_mode = (enum input_mode)opt;
		switch (opt) {
		case syncconfig:
			/*
			 * syncconfig is invoked during the build stage.
			 * Suppress distracting "configuration written to ..."
			 */
			conf_set_message_callback(NULL);
			sync_kconfig = 1;
			break;
		case defconfig:
		case savedefconfig:
			defconfig_file = optarg;
			break;
		case randconfig:
		{
			struct timeval now;
			unsigned int seed;
			char *seed_env;

			/*
			 * 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));

			seed_env = getenv("KCONFIG_SEED");
			if( seed_env && *seed_env ) {
				char *endp;
				int tmp = (int)strtol(seed_env, &endp, 0);
				if (*endp == '\0') {
					seed = tmp;
				}
			}
			fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
			srand(seed);
			break;
		}
		case oldaskconfig:
		case oldconfig:
		case allnoconfig:
		case allyesconfig:
		case allmodconfig:
		case alldefconfig:
		case listnewconfig:
		case olddefconfig:
			break;
		case '?':
			conf_usage(progname);
			exit(1);
			break;
		}
	}
	if (ac == optind) {
		fprintf(stderr, "%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)) {
			fprintf(stderr,
				"***\n"
				  "*** Can't find default configuration \"%s\"!\n"
				  "***\n",
				defconfig_file);
			exit(1);
		}
		break;
	case savedefconfig:
	case syncconfig:
	case oldaskconfig:
	case oldconfig:
	case listnewconfig:
	case olddefconfig:
		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) {
		name = getenv("KCONFIG_NOSILENTUPDATE");
		if (name && *name) {
			if (conf_get_changed()) {
				fprintf(stderr,
					"\n*** The configuration requires explicit update.\n\n");
				return 1;
			}
			no_conf_write = 1;
		}
	}

	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:
		/* Really nothing to do in this loop */
		while (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 = oldconfig;
		/* fall through */
	case oldconfig:
	case listnewconfig:
	case syncconfig:
		/* Update until a loop caused no more changes */
		do {
			conf_cnt = 0;
			check_conf(&rootmenu);
		} while (conf_cnt);
		break;
	case olddefconfig:
	default:
		break;
	}

	if (sync_kconfig) {
		/* syncconfig is used during the build so we shall update autoconf.
		 * All other commands are only used to generate a config.
		 */
		if (!no_conf_write && 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;
}
Commit	Line	Data
0a9064fb MY	1	/*
	2	* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
	3	* Released under the terms of the GNU GPL v2.0.
	4	*/
	5
0a9064fb	6	#include <ctype.h>
bf7ab1e7	7	#include <limits.h>
0a9064fb MY	8	#include <stdio.h>
	9	#include <stdlib.h>
	10	#include <string.h>
	11	#include <time.h>
	12	#include <unistd.h>
	13	#include <getopt.h>
	14	#include <sys/stat.h>
	15	#include <sys/time.h>
	16	#include <errno.h>
	17
	18	#include "lkc.h"
	19
	20	static void conf(struct menu *menu);
	21	static void check_conf(struct menu *menu);
0a9064fb MY	22
	23	enum input_mode {
	24	oldaskconfig,
e91610da	25	syncconfig,
0a9064fb MY	26	oldconfig,
	27	allnoconfig,
	28	allyesconfig,
	29	allmodconfig,
	30	alldefconfig,
	31	randconfig,
	32	defconfig,
	33	savedefconfig,
	34	listnewconfig,
	35	olddefconfig,
e91610da ER	36	};
e91610da ER	37	static enum input_mode input_mode = oldaskconfig;
0a9064fb MY	38
	39	static int indent = 1;
	40	static int tty_stdio;
0a9064fb MY	41	static int sync_kconfig;
0a9064fb MY	42	static int conf_cnt;
bf7ab1e7	43	static char line[PATH_MAX];
0a9064fb MY	44	static struct menu *rootEntry;
	45
	46	static void print_help(struct menu *menu)
	47	{
	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);
	54	}
	55
	56	static void strip(char *str)
	57	{
	58	char *p = str;
	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
e91610da ER	73	/* Helper function to facilitate fgets() by Jean Sacren. */
e91610da ER	74	static void xfgets(char str, int size, FILE in)
0a9064fb	75	{
e91610da ER	76	if (!fgets(str, size, in))
	77	fprintf(stderr, "\nError in reading or end of file.\n");
	78
	79	if (!tty_stdio)
	80	printf("%s", str);
0a9064fb MY	81	}
	82
	83	static int conf_askvalue(struct symbol sym, const char def)
	84	{
	85	enum symbol_type type = sym_get_type(sym);
	86
	87	if (!sym_has_value(sym))
5972ff07	88	printf("(NEW) ");
0a9064fb MY	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;
	97	return 0;
	98	}
	99
	100	switch (input_mode) {
	101	case oldconfig:
e91610da	102	case syncconfig:
0a9064fb MY	103	if (sym_has_value(sym)) {
	104	printf("%s\n", def);
	105	return 0;
	106	}
0a9064fb MY	107	/* fall through */
	108	case oldaskconfig:
	109	fflush(stdout);
bf7ab1e7	110	xfgets(line, sizeof(line), stdin);
0a9064fb MY	111	return 1;
	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);
	121	return 1;
	122	default:
	123	;
	124	}
	125	printf("%s", line);
	126	return 1;
	127	}
	128
	129	static int conf_string(struct menu *menu)
	130	{
	131	struct symbol *sym = menu->sym;
	132	const char *def;
	133
	134	while (1) {
5972ff07	135	printf("%*s%s ", indent - 1, "", menu->prompt->text);
0a9064fb MY	136	printf("(%s) ", sym->name);
	137	def = sym_get_string_value(sym);
	138	if (sym_get_string_value(sym))
	139	printf("[%s] ", def);
	140	if (!conf_askvalue(sym, def))
	141	return 0;
	142	switch (line[0]) {
	143	case '\n':
	144	break;
	145	case '?':
	146	/* print help */
	147	if (line[1] == '\n') {
	148	print_help(menu);
	149	def = NULL;
	150	break;
	151	}
	152	/* fall through */
	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;
	165	tristate oldval, newval;
	166
	167	while (1) {
5972ff07	168	printf("%*s%s ", indent - 1, "", menu->prompt->text);
0a9064fb MY	169	if (sym->name)
	170	printf("(%s) ", sym->name);
	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");
e91610da	190	printf("/?] ");
0a9064fb MY	191	if (!conf_askvalue(sym, sym_get_string_value(sym)))
	192	return 0;
	193	strip(line);
	194
	195	switch (line[0]) {
	196	case 'n':
	197	case 'N':
	198	newval = no;
	199	if (!line[1] \|\| !strcmp(&line[1], "o"))
	200	break;
	201	continue;
	202	case 'm':
	203	case 'M':
	204	newval = mod;
	205	if (!line[1])
	206	break;
	207	continue;
	208	case 'y':
	209	case 'Y':
	210	newval = yes;
	211	if (!line[1] \|\| !strcmp(&line[1], "es"))
	212	break;
	213	continue;
	214	case 0:
	215	newval = oldval;
	216	break;
	217	case '?':
	218	goto help;
	219	default:
	220	continue;
	221	}
	222	if (sym_set_tristate_value(sym, newval))
	223	return 0;
	224	help:
	225	print_help(menu);
	226	}
	227	}
	228
	229	static int conf_choice(struct menu *menu)
	230	{
	231	struct symbol sym, def_sym;
	232	struct menu *child;
	233	bool is_new;
	234
	235	sym = menu->sym;
	236	is_new = !sym_has_value(sym);
	237	if (sym_is_changable(sym)) {
	238	conf_sym(menu);
	239	sym_calc_value(sym);
	240	switch (sym_get_tristate_value(sym)) {
	241	case no:
	242	return 1;
	243	case mod:
	244	return 0;
	245	case yes:
	246	break;
	247	}
	248	} else {
	249	switch (sym_get_tristate_value(sym)) {
	250	case no:
	251	return 1;
	252	case mod:
5972ff07	253	printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
0a9064fb MY	254	return 0;
	255	case yes:
	256	break;
	257	}
	258	}
	259
	260	while (1) {
	261	int cnt, def;
	262
5972ff07	263	printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
0a9064fb MY	264	def_sym = sym_get_choice_value(sym);
	265	cnt = def = 0;
	266	line[0] = 0;
	267	for (child = menu->list; child; child = child->next) {
	268	if (!menu_is_visible(child))
	269	continue;
	270	if (!child->sym) {
5972ff07	271	printf("%c %s\n", indent, '', menu_get_prompt(child));
0a9064fb MY	272	continue;
	273	}
	274	cnt++;
	275	if (child->sym == def_sym) {
	276	def = cnt;
	277	printf("%*c", indent, '>');
	278	} else
	279	printf("%*c", indent, ' ');
5972ff07	280	printf(" %d. %s", cnt, menu_get_prompt(child));
0a9064fb MY	281	if (child->sym->name)
	282	printf(" (%s)", child->sym->name);
	283	if (!sym_has_value(child->sym))
5972ff07	284	printf(" (NEW)");
0a9064fb MY	285	printf("\n");
0a9064fb MY	286	}
5972ff07	287	printf("%*schoice", indent - 1, "");
0a9064fb MY	288	if (cnt == 1) {
	289	printf("[1]: 1\n");
	290	goto conf_childs;
	291	}
e91610da	292	printf("[1-%d?]: ", cnt);
0a9064fb MY	293	switch (input_mode) {
0a9064fb MY	294	case oldconfig:
e91610da	295	case syncconfig:
0a9064fb MY	296	if (!is_new) {
	297	cnt = def;
	298	printf("%d\n", cnt);
	299	break;
	300	}
0a9064fb MY	301	/* fall through */
	302	case oldaskconfig:
	303	fflush(stdout);
bf7ab1e7	304	xfgets(line, sizeof(line), stdin);
0a9064fb MY	305	strip(line);
	306	if (line[0] == '?') {
	307	print_help(menu);
	308	continue;
	309	}
	310	if (!line[0])
	311	cnt = def;
	312	else if (isdigit(line[0]))
	313	cnt = atoi(line);
	314	else
	315	continue;
	316	break;
	317	default:
	318	break;
	319	}
	320
	321	conf_childs:
	322	for (child = menu->list; child; child = child->next) {
	323	if (!child->sym \|\| !menu_is_visible(child))
	324	continue;
	325	if (!--cnt)
	326	break;
	327	}
	328	if (!child)
	329	continue;
	330	if (line[0] && line[strlen(line) - 1] == '?') {
	331	print_help(child);
	332	continue;
	333	}
	334	sym_set_choice_value(sym, child->sym);
	335	for (child = child->list; child; child = child->next) {
	336	indent += 2;
	337	conf(child);
	338	indent -= 2;
	339	}
	340	return 1;
	341	}
	342	}
	343
	344	static void conf(struct menu *menu)
	345	{
	346	struct symbol *sym;
	347	struct property *prop;
	348	struct menu *child;
	349
	350	if (!menu_is_visible(menu))
	351	return;
	352
	353	sym = menu->sym;
	354	prop = menu->prompt;
	355	if (prop) {
	356	const char *prompt;
	357
	358	switch (prop->type) {
	359	case P_MENU:
e91610da ER	360	/*
	361	* Except in oldaskconfig mode, we show only menus that
	362	* contain new symbols.
	363	*/
	364	if (input_mode != oldaskconfig && rootEntry != menu) {
0a9064fb MY	365	check_conf(menu);
	366	return;
	367	}
	368	/* fall through */
	369	case P_COMMENT:
	370	prompt = menu_get_prompt(menu);
	371	if (prompt)
	372	printf("%c\n%c %s\n%*c\n",
	373	indent, '*',
5972ff07	374	indent, '*', prompt,
0a9064fb MY	375	indent, '*');
	376	default:
	377	;
	378	}
	379	}
	380
	381	if (!sym)
	382	goto conf_childs;
	383
	384	if (sym_is_choice(sym)) {
	385	conf_choice(menu);
	386	if (sym->curr.tri != mod)
	387	return;
	388	goto conf_childs;
	389	}
	390
	391	switch (sym->type) {
	392	case S_INT:
	393	case S_HEX:
	394	case S_STRING:
	395	conf_string(menu);
	396	break;
	397	default:
	398	conf_sym(menu);
	399	break;
	400	}
	401
	402	conf_childs:
	403	if (sym)
	404	indent += 2;
	405	for (child = menu->list; child; child = child->next)
	406	conf(child);
	407	if (sym)
	408	indent -= 2;
	409	}
	410
	411	static void check_conf(struct menu *menu)
	412	{
	413	struct symbol *sym;
	414	struct menu *child;
	415
	416	if (!menu_is_visible(menu))
	417	return;
	418
	419	sym = menu->sym;
	420	if (sym && !sym_has_value(sym)) {
	421	if (sym_is_changable(sym) \|\|
	422	(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
	423	if (input_mode == listnewconfig) {
e91610da ER	424	if (sym->name) {
	425	const char *str;
	426
	427	if (sym->type == S_STRING) {
	428	str = sym_get_string_value(sym);
	429	str = sym_escape_string_value(str);
	430	printf("%s%s=%s\n", CONFIG_, sym->name, str);
	431	free((void *)str);
	432	} else {
	433	str = sym_get_string_value(sym);
	434	printf("%s%s=%s\n", CONFIG_, sym->name, str);
	435	}
0a9064fb	436	}
e91610da	437	} else {
0a9064fb	438	if (!conf_cnt++)
5972ff07	439	printf("\n Restart config...\n*\n");
0a9064fb MY	440	rootEntry = menu_get_parent_menu(menu);
	441	conf(rootEntry);
	442	}
	443	}
	444	}
	445
	446	for (child = menu->list; child; child = child->next)
	447	check_conf(child);
	448	}
	449
	450	static struct option long_opts[] = {
	451	{"oldaskconfig", no_argument, NULL, oldaskconfig},
	452	{"oldconfig", no_argument, NULL, oldconfig},
e91610da	453	{"syncconfig", no_argument, NULL, syncconfig},
0a9064fb MY	454	{"defconfig", optional_argument, NULL, defconfig},
	455	{"savedefconfig", required_argument, NULL, savedefconfig},
	456	{"allnoconfig", no_argument, NULL, allnoconfig},
	457	{"allyesconfig", no_argument, NULL, allyesconfig},
	458	{"allmodconfig", no_argument, NULL, allmodconfig},
	459	{"alldefconfig", no_argument, NULL, alldefconfig},
	460	{"randconfig", no_argument, NULL, randconfig},
	461	{"listnewconfig", no_argument, NULL, listnewconfig},
	462	{"olddefconfig", no_argument, NULL, olddefconfig},
0a9064fb MY	463	{NULL, 0, NULL, 0}
	464	};
	465
	466	static void conf_usage(const char *progname)
	467	{
	468
9b5f0b1d	469	printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
0a9064fb MY	470	printf("[option] is _one_ of the following:\n");
	471	printf(" --listnewconfig List new options\n");
	472	printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
	473	printf(" --oldconfig Update a configuration using a provided .config as base\n");
e91610da ER	474	printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
	475	" include/{generated/,config/}\n");
	476	printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
0a9064fb MY	477	printf(" --defconfig <file> New config with default defined in <file>\n");
	478	printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
	479	printf(" --allnoconfig New config where all options are answered with no\n");
	480	printf(" --allyesconfig New config where all options are answered with yes\n");
	481	printf(" --allmodconfig New config where all options are answered with mod\n");
	482	printf(" --alldefconfig New config with all symbols set to default\n");
	483	printf(" --randconfig New config with random answer to all options\n");
	484	}
	485
	486	int main(int ac, char **av)
	487	{
	488	const char *progname = av[0];
	489	int opt;
	490	const char name, defconfig_file = NULL /* gcc uninit */;
	491	struct stat tmpstat;
587e4a42	492	int no_conf_write = 0;
0a9064fb	493
e91610da	494	tty_stdio = isatty(0) && isatty(1);
0a9064fb	495
9b5f0b1d MY	496	while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
	497	if (opt == 's') {
	498	conf_set_message_callback(NULL);
	499	continue;
	500	}
0a9064fb MY	501	input_mode = (enum input_mode)opt;
0a9064fb MY	502	switch (opt) {
e91610da	503	case syncconfig:
587e4a42 TR	504	/*
	505	* syncconfig is invoked during the build stage.
	506	* Suppress distracting "configuration written to ..."
	507	*/
	508	conf_set_message_callback(NULL);
0a9064fb MY	509	sync_kconfig = 1;
	510	break;
	511	case defconfig:
	512	case savedefconfig:
	513	defconfig_file = optarg;
	514	break;
	515	case randconfig:
	516	{
	517	struct timeval now;
	518	unsigned int seed;
	519	char *seed_env;
	520
	521	/*
	522	* Use microseconds derived seed,
	523	* compensate for systems where it may be zero
	524	*/
	525	gettimeofday(&now, NULL);
	526	seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
	527
	528	seed_env = getenv("KCONFIG_SEED");
	529	if( seed_env && *seed_env ) {
	530	char *endp;
	531	int tmp = (int)strtol(seed_env, &endp, 0);
	532	if (*endp == '\0') {
	533	seed = tmp;
	534	}
	535	}
	536	fprintf( stderr, "KCONFIG_SEED=0x%X\n", seed );
	537	srand(seed);
	538	break;
	539	}
	540	case oldaskconfig:
	541	case oldconfig:
	542	case allnoconfig:
	543	case allyesconfig:
	544	case allmodconfig:
	545	case alldefconfig:
	546	case listnewconfig:
	547	case olddefconfig:
	548	break;
	549	case '?':
	550	conf_usage(progname);
	551	exit(1);
	552	break;
	553	}
	554	}
	555	if (ac == optind) {
5972ff07	556	fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
0a9064fb MY	557	conf_usage(progname);
	558	exit(1);
	559	}
	560	name = av[optind];
	561	conf_parse(name);
	562	//zconfdump(stdout);
	563	if (sync_kconfig) {
	564	name = conf_get_configname();
	565	if (stat(name, &tmpstat)) {
5972ff07	566	fprintf(stderr, "***\n"
0a9064fb MY	567	"*** Configuration file \"%s\" not found!\n"
	568	"***\n"
	569	"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
	570	"*** \"make menuconfig\" or \"make xconfig\").\n"
5972ff07	571	"***\n", name);
0a9064fb MY	572	exit(1);
	573	}
	574	}
	575
	576	switch (input_mode) {
	577	case defconfig:
	578	if (!defconfig_file)
	579	defconfig_file = conf_get_default_confname();
	580	if (conf_read(defconfig_file)) {
e91610da	581	fprintf(stderr,
5972ff07	582	"***\n"
e91610da	583	"*** Can't find default configuration \"%s\"!\n"
5972ff07	584	"***\n",
e91610da	585	defconfig_file);
0a9064fb MY	586	exit(1);
	587	}
	588	break;
	589	case savedefconfig:
e91610da	590	case syncconfig:
0a9064fb MY	591	case oldaskconfig:
	592	case oldconfig:
	593	case listnewconfig:
	594	case olddefconfig:
	595	conf_read(NULL);
	596	break;
	597	case allnoconfig:
	598	case allyesconfig:
	599	case allmodconfig:
	600	case alldefconfig:
	601	case randconfig:
	602	name = getenv("KCONFIG_ALLCONFIG");
	603	if (!name)
	604	break;
	605	if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
	606	if (conf_read_simple(name, S_DEF_USER)) {
	607	fprintf(stderr,
5972ff07	608	"*** Can't read seed configuration \"%s\"!\n",
0a9064fb MY	609	name);
	610	exit(1);
	611	}
	612	break;
	613	}
	614	switch (input_mode) {
	615	case allnoconfig: name = "allno.config"; break;
	616	case allyesconfig: name = "allyes.config"; break;
	617	case allmodconfig: name = "allmod.config"; break;
	618	case alldefconfig: name = "alldef.config"; break;
	619	case randconfig: name = "allrandom.config"; break;
	620	default: break;
	621	}
	622	if (conf_read_simple(name, S_DEF_USER) &&
	623	conf_read_simple("all.config", S_DEF_USER)) {
	624	fprintf(stderr,
5972ff07	625	"*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n",
0a9064fb MY	626	name);
	627	exit(1);
	628	}
	629	break;
	630	default:
	631	break;
	632	}
	633
	634	if (sync_kconfig) {
587e4a42 TR	635	name = getenv("KCONFIG_NOSILENTUPDATE");
	636	if (name && *name) {
	637	if (conf_get_changed()) {
0a9064fb	638	fprintf(stderr,
5972ff07	639	"\n*** The configuration requires explicit update.\n\n");
0a9064fb MY	640	return 1;
0a9064fb MY	641	}
587e4a42	642	no_conf_write = 1;
0a9064fb	643	}
0a9064fb MY	644	}
	645
	646	switch (input_mode) {
	647	case allnoconfig:
	648	conf_set_all_new_symbols(def_no);
	649	break;
	650	case allyesconfig:
	651	conf_set_all_new_symbols(def_yes);
	652	break;
	653	case allmodconfig:
	654	conf_set_all_new_symbols(def_mod);
	655	break;
	656	case alldefconfig:
	657	conf_set_all_new_symbols(def_default);
	658	break;
	659	case randconfig:
	660	/* Really nothing to do in this loop */
	661	while (conf_set_all_new_symbols(def_random)) ;
	662	break;
	663	case defconfig:
	664	conf_set_all_new_symbols(def_default);
	665	break;
	666	case savedefconfig:
	667	break;
	668	case oldaskconfig:
	669	rootEntry = &rootmenu;
	670	conf(&rootmenu);
e91610da	671	input_mode = oldconfig;
0a9064fb MY	672	/* fall through */
	673	case oldconfig:
	674	case listnewconfig:
e91610da	675	case syncconfig:
0a9064fb MY	676	/* Update until a loop caused no more changes */
	677	do {
	678	conf_cnt = 0;
	679	check_conf(&rootmenu);
e91610da ER	680	} while (conf_cnt);
	681	break;
	682	case olddefconfig:
	683	default:
0a9064fb MY	684	break;
	685	}
	686
	687	if (sync_kconfig) {
e91610da	688	/* syncconfig is used during the build so we shall update autoconf.
0a9064fb MY	689	* All other commands are only used to generate a config.
0a9064fb MY	690	*/
587e4a42	691	if (!no_conf_write && conf_write(NULL)) {
5972ff07	692	fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
0a9064fb MY	693	exit(1);
	694	}
	695	if (conf_write_autoconf()) {
5972ff07	696	fprintf(stderr, "\n*** Error during update of the configuration.\n\n");
0a9064fb MY	697	return 1;
	698	}
	699	} else if (input_mode == savedefconfig) {
	700	if (conf_write_defconfig(defconfig_file)) {
5972ff07	701	fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
0a9064fb MY	702	defconfig_file);
	703	return 1;
	704	}
	705	} else if (input_mode != listnewconfig) {
	706	if (conf_write(NULL)) {
5972ff07	707	fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
0a9064fb MY	708	exit(1);
	709	}
	710	}
	711	return 0;
	712	}