yann@1: /*
yann@1:  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
yann@1:  * Released under the terms of the GNU GPL v2.0.
yann@1:  */
yann@1: 
yann@943: #include <locale.h>
yann@1: #include <ctype.h>
yann@943: #include <stdio.h>
yann@1: #include <stdlib.h>
yann@1: #include <string.h>
yann@943: #include <time.h>
yann@1: #include <unistd.h>
yann@2448: #include <getopt.h>
yann@1: #include <sys/stat.h>
yann@2448: #include <sys/time.h>
yann@1: 
yann@1: #define LKC_DIRECT_LINK
yann@1: #include "lkc.h"
yann@1: 
yann@1: static void conf(struct menu *menu);
yann@1: static void check_conf(struct menu *menu);
yann@1: 
yann@2448: enum input_mode {
yann@2448: 	oldaskconfig,
yann@2448: 	silentoldconfig,
yann@2448: 	oldconfig,
yann@2448: 	allnoconfig,
yann@2448: 	allyesconfig,
yann@2448: 	allmodconfig,
yann@2448: 	alldefconfig,
yann@2448: 	randconfig,
yann@2448: 	defconfig,
yann@2448: 	savedefconfig,
yann@2448: 	listnewconfig,
yann@2448: 	oldnoconfig,
yann@2448: } input_mode = oldaskconfig;
yann@2448: 
yann@1: char *defconfig_file;
yann@1: 
yann@1: static int indent = 1;
yann@1: static int valid_stdin = 1;
yann@943: static int sync_kconfig;
yann@1: static int conf_cnt;
yann@1: static char line[128];
yann@1: static struct menu *rootEntry;
yann@1: 
yann@2448: static void print_help(struct menu *menu)
yann@2448: {
yann@2448: 	struct gstr help = str_new();
yann@1: 
yann@2448: 	menu_get_ext_help(menu, &help);
yann@2448: 
yann@2448: 	printf("\n%s\n", str_get(&help));
yann@2448: 	str_free(&help);
yann@943: }
yann@943: 
yann@1: static void strip(char *str)
yann@1: {
yann@1: 	char *p = str;
yann@1: 	int l;
yann@1: 
yann@1: 	while ((isspace(*p)))
yann@1: 		p++;
yann@1: 	l = strlen(p);
yann@1: 	if (p != str)
yann@1: 		memmove(str, p, l + 1);
yann@1: 	if (!l)
yann@1: 		return;
yann@1: 	p = str + l - 1;
yann@1: 	while ((isspace(*p)))
yann@1: 		*p-- = 0;
yann@1: }
yann@1: 
yann@1: static void check_stdin(void)
yann@1: {
yann@943: 	if (!valid_stdin) {
yann@1524: 		/* For crosstool-NG, we don't care if stdin/stdout got redirected.
yann@1524: 		 * In this case, just printf a cariage return, for pretty output.
yann@1524: 		 */
yann@1524: 		printf("\n");
yann@1: 	}
yann@1: }
yann@1: 
yann@943: static int conf_askvalue(struct symbol *sym, const char *def)
yann@1: {
yann@1: 	enum symbol_type type = sym_get_type(sym);
yann@1: 
yann@1: 	if (!sym_has_value(sym))
yann@943: 		printf(_("(NEW) "));
yann@1: 
yann@1: 	line[0] = '\n';
yann@1: 	line[1] = 0;
yann@1: 
yann@1: 	if (!sym_is_changable(sym)) {
yann@1: 		printf("%s\n", def);
yann@1: 		line[0] = '\n';
yann@1: 		line[1] = 0;
yann@943: 		return 0;
yann@1: 	}
yann@1: 
yann@1: 	switch (input_mode) {
yann@2448: 	case oldconfig:
yann@2448: 	case silentoldconfig:
yann@1: 		if (sym_has_value(sym)) {
yann@1: 			printf("%s\n", def);
yann@943: 			return 0;
yann@1: 		}
yann@1: 		check_stdin();
yann@2448: 	case oldaskconfig:
yann@1: 		fflush(stdout);
yann@2448: 		xfgets(line, 128, stdin);
yann@943: 		return 1;
yann@1: 	default:
yann@1: 		break;
yann@1: 	}
yann@1: 
yann@1: 	switch (type) {
yann@1: 	case S_INT:
yann@1: 	case S_HEX:
yann@1: 	case S_STRING:
yann@1: 		printf("%s\n", def);
yann@943: 		return 1;
yann@1: 	default:
yann@1: 		;
yann@1: 	}
yann@1: 	printf("%s", line);
yann@943: 	return 1;
yann@1: }
yann@1: 
yann@2448: static int conf_string(struct menu *menu)
yann@1: {
yann@1: 	struct symbol *sym = menu->sym;
yann@943: 	const char *def;
yann@1: 
yann@1: 	while (1) {
yann@943: 		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
yann@1: 		printf("(%s) ", sym->name);
yann@1: 		def = sym_get_string_value(sym);
yann@1: 		if (sym_get_string_value(sym))
yann@1: 			printf("[%s] ", def);
yann@943: 		if (!conf_askvalue(sym, def))
yann@943: 			return 0;
yann@1: 		switch (line[0]) {
yann@1: 		case '\n':
yann@1: 			break;
yann@1: 		case '?':
yann@1: 			/* print help */
yann@1: 			if (line[1] == '\n') {
yann@2448: 				print_help(menu);
yann@1: 				def = NULL;
yann@1: 				break;
yann@1: 			}
yann@1: 		default:
yann@1: 			line[strlen(line)-1] = 0;
yann@1: 			def = line;
yann@1: 		}
yann@1: 		if (def && sym_set_string_value(sym, def))
yann@1: 			return 0;
yann@1: 	}
yann@1: }
yann@1: 
yann@1: static int conf_sym(struct menu *menu)
yann@1: {
yann@1: 	struct symbol *sym = menu->sym;
yann@1: 	tristate oldval, newval;
yann@1: 
yann@1: 	while (1) {
yann@943: 		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
yann@1: 		if (sym->name)
yann@1: 			printf("(%s) ", sym->name);
yann@1: 		putchar('[');
yann@1: 		oldval = sym_get_tristate_value(sym);
yann@1: 		switch (oldval) {
yann@1: 		case no:
yann@1: 			putchar('N');
yann@1: 			break;
yann@1: 		case mod:
yann@1: 			putchar('M');
yann@1: 			break;
yann@1: 		case yes:
yann@1: 			putchar('Y');
yann@1: 			break;
yann@1: 		}
yann@1: 		if (oldval != no && sym_tristate_within_range(sym, no))
yann@1: 			printf("/n");
yann@1: 		if (oldval != mod && sym_tristate_within_range(sym, mod))
yann@1: 			printf("/m");
yann@1: 		if (oldval != yes && sym_tristate_within_range(sym, yes))
yann@1: 			printf("/y");
yann@943: 		if (menu_has_help(menu))
yann@1: 			printf("/?");
yann@1: 		printf("] ");
yann@943: 		if (!conf_askvalue(sym, sym_get_string_value(sym)))
yann@943: 			return 0;
yann@1: 		strip(line);
yann@1: 
yann@1: 		switch (line[0]) {
yann@1: 		case 'n':
yann@1: 		case 'N':
yann@1: 			newval = no;
yann@1: 			if (!line[1] || !strcmp(&line[1], "o"))
yann@1: 				break;
yann@1: 			continue;
yann@1: 		case 'm':
yann@1: 		case 'M':
yann@1: 			newval = mod;
yann@1: 			if (!line[1])
yann@1: 				break;
yann@1: 			continue;
yann@1: 		case 'y':
yann@1: 		case 'Y':
yann@1: 			newval = yes;
yann@1: 			if (!line[1] || !strcmp(&line[1], "es"))
yann@1: 				break;
yann@1: 			continue;
yann@1: 		case 0:
yann@1: 			newval = oldval;
yann@1: 			break;
yann@1: 		case '?':
yann@1: 			goto help;
yann@1: 		default:
yann@1: 			continue;
yann@1: 		}
yann@1: 		if (sym_set_tristate_value(sym, newval))
yann@1: 			return 0;
yann@1: help:
yann@2448: 		print_help(menu);
yann@1: 	}
yann@1: }
yann@1: 
yann@1: static int conf_choice(struct menu *menu)
yann@1: {
yann@1: 	struct symbol *sym, *def_sym;
yann@1: 	struct menu *child;
yann@1: 	bool is_new;
yann@1: 
yann@1: 	sym = menu->sym;
yann@1: 	is_new = !sym_has_value(sym);
yann@1: 	if (sym_is_changable(sym)) {
yann@1: 		conf_sym(menu);
yann@1: 		sym_calc_value(sym);
yann@1: 		switch (sym_get_tristate_value(sym)) {
yann@1: 		case no:
yann@1: 			return 1;
yann@1: 		case mod:
yann@1: 			return 0;
yann@1: 		case yes:
yann@1: 			break;
yann@1: 		}
yann@1: 	} else {
yann@1: 		switch (sym_get_tristate_value(sym)) {
yann@1: 		case no:
yann@1: 			return 1;
yann@1: 		case mod:
yann@943: 			printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
yann@1: 			return 0;
yann@1: 		case yes:
yann@1: 			break;
yann@1: 		}
yann@1: 	}
yann@1: 
yann@1: 	while (1) {
yann@1: 		int cnt, def;
yann@1: 
yann@943: 		printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
yann@1: 		def_sym = sym_get_choice_value(sym);
yann@1: 		cnt = def = 0;
yann@1: 		line[0] = 0;
yann@1: 		for (child = menu->list; child; child = child->next) {
yann@1: 			if (!menu_is_visible(child))
yann@1: 				continue;
yann@1: 			if (!child->sym) {
yann@943: 				printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
yann@1: 				continue;
yann@1: 			}
yann@1: 			cnt++;
yann@1: 			if (child->sym == def_sym) {
yann@1: 				def = cnt;
yann@1: 				printf("%*c", indent, '>');
yann@1: 			} else
yann@1: 				printf("%*c", indent, ' ');
yann@943: 			printf(" %d. %s", cnt, _(menu_get_prompt(child)));
yann@1: 			if (child->sym->name)
yann@1: 				printf(" (%s)", child->sym->name);
yann@1: 			if (!sym_has_value(child->sym))
yann@943: 				printf(_(" (NEW)"));
yann@1: 			printf("\n");
yann@1: 		}
yann@943: 		printf(_("%*schoice"), indent - 1, "");
yann@1: 		if (cnt == 1) {
yann@1: 			printf("[1]: 1\n");
yann@1: 			goto conf_childs;
yann@1: 		}
yann@1: 		printf("[1-%d", cnt);
yann@943: 		if (menu_has_help(menu))
yann@1: 			printf("?");
yann@1: 		printf("]: ");
yann@1: 		switch (input_mode) {
yann@2448: 		case oldconfig:
yann@2448: 		case silentoldconfig:
yann@1: 			if (!is_new) {
yann@1: 				cnt = def;
yann@1: 				printf("%d\n", cnt);
yann@1: 				break;
yann@1: 			}
yann@1: 			check_stdin();
yann@2448: 		case oldaskconfig:
yann@1: 			fflush(stdout);
yann@2448: 			xfgets(line, 128, stdin);
yann@1: 			strip(line);
yann@1: 			if (line[0] == '?') {
yann@2448: 				print_help(menu);
yann@1: 				continue;
yann@1: 			}
yann@1: 			if (!line[0])
yann@1: 				cnt = def;
yann@1: 			else if (isdigit(line[0]))
yann@1: 				cnt = atoi(line);
yann@1: 			else
yann@1: 				continue;
yann@1: 			break;
yann@943: 		default:
yann@1: 			break;
yann@1: 		}
yann@1: 
yann@1: 	conf_childs:
yann@1: 		for (child = menu->list; child; child = child->next) {
yann@1: 			if (!child->sym || !menu_is_visible(child))
yann@1: 				continue;
yann@1: 			if (!--cnt)
yann@1: 				break;
yann@1: 		}
yann@1: 		if (!child)
yann@1: 			continue;
yann@2448: 		if (line[0] && line[strlen(line) - 1] == '?') {
yann@2448: 			print_help(child);
yann@1: 			continue;
yann@1: 		}
yann@1: 		sym_set_choice_value(sym, child->sym);
yann@943: 		for (child = child->list; child; child = child->next) {
yann@1: 			indent += 2;
yann@943: 			conf(child);
yann@1: 			indent -= 2;
yann@1: 		}
yann@1: 		return 1;
yann@1: 	}
yann@1: }
yann@1: 
yann@1: static void conf(struct menu *menu)
yann@1: {
yann@1: 	struct symbol *sym;
yann@1: 	struct property *prop;
yann@1: 	struct menu *child;
yann@1: 
yann@1: 	if (!menu_is_visible(menu))
yann@1: 		return;
yann@1: 
yann@1: 	sym = menu->sym;
yann@1: 	prop = menu->prompt;
yann@1: 	if (prop) {
yann@1: 		const char *prompt;
yann@1: 
yann@1: 		switch (prop->type) {
yann@1: 		case P_MENU:
yann@2448: 			if ((input_mode == silentoldconfig ||
yann@2448: 			     input_mode == listnewconfig ||
yann@2448: 			     input_mode == oldnoconfig) &&
yann@2448: 			    rootEntry != menu) {
yann@1: 				check_conf(menu);
yann@1: 				return;
yann@1: 			}
yann@1: 		case P_COMMENT:
yann@1: 			prompt = menu_get_prompt(menu);
yann@1: 			if (prompt)
yann@1: 				printf("%*c\n%*c %s\n%*c\n",
yann@1: 					indent, '*',
yann@943: 					indent, '*', _(prompt),
yann@1: 					indent, '*');
yann@1: 		default:
yann@1: 			;
yann@1: 		}
yann@1: 	}
yann@1: 
yann@1: 	if (!sym)
yann@1: 		goto conf_childs;
yann@1: 
yann@1: 	if (sym_is_choice(sym)) {
yann@1: 		conf_choice(menu);
yann@1: 		if (sym->curr.tri != mod)
yann@1: 			return;
yann@1: 		goto conf_childs;
yann@1: 	}
yann@1: 
yann@1: 	switch (sym->type) {
yann@1: 	case S_INT:
yann@1: 	case S_HEX:
yann@1: 	case S_STRING:
yann@1: 		conf_string(menu);
yann@1: 		break;
yann@1: 	default:
yann@1: 		conf_sym(menu);
yann@1: 		break;
yann@1: 	}
yann@1: 
yann@1: conf_childs:
yann@1: 	if (sym)
yann@1: 		indent += 2;
yann@1: 	for (child = menu->list; child; child = child->next)
yann@1: 		conf(child);
yann@1: 	if (sym)
yann@1: 		indent -= 2;
yann@1: }
yann@1: 
yann@1: static void check_conf(struct menu *menu)
yann@1: {
yann@1: 	struct symbol *sym;
yann@1: 	struct menu *child;
yann@1: 
yann@1: 	if (!menu_is_visible(menu))
yann@1: 		return;
yann@1: 
yann@1: 	sym = menu->sym;
yann@1: 	if (sym && !sym_has_value(sym)) {
yann@1: 		if (sym_is_changable(sym) ||
yann@1: 		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
yann@2448: 			if (input_mode == listnewconfig) {
yann@2448: 				if (sym->name && !sym_is_choice_value(sym)) {
yann@2448: 					printf("%s%s\n", CONFIG_, sym->name);
yann@2448: 				}
yann@2448: 			} else if (input_mode != oldnoconfig) {
yann@2448: 				if (!conf_cnt++)
yann@2448: 					printf(_("*\n* Restart config...\n*\n"));
yann@2448: 				rootEntry = menu_get_parent_menu(menu);
yann@2448: 				conf(rootEntry);
yann@2448: 			}
yann@1: 		}
yann@1: 	}
yann@1: 
yann@1: 	for (child = menu->list; child; child = child->next)
yann@1: 		check_conf(child);
yann@1: }
yann@1: 
yann@2448: static struct option long_opts[] = {
yann@2448: 	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},
yann@2448: 	{"oldconfig",       no_argument,       NULL, oldconfig},
yann@2448: 	{"silentoldconfig", no_argument,       NULL, silentoldconfig},
yann@2448: 	{"defconfig",       optional_argument, NULL, defconfig},
yann@2448: 	{"savedefconfig",   required_argument, NULL, savedefconfig},
yann@2448: 	{"allnoconfig",     no_argument,       NULL, allnoconfig},
yann@2448: 	{"allyesconfig",    no_argument,       NULL, allyesconfig},
yann@2448: 	{"allmodconfig",    no_argument,       NULL, allmodconfig},
yann@2448: 	{"alldefconfig",    no_argument,       NULL, alldefconfig},
yann@2448: 	{"randconfig",      no_argument,       NULL, randconfig},
yann@2448: 	{"listnewconfig",   no_argument,       NULL, listnewconfig},
yann@2448: 	{"oldnoconfig",     no_argument,       NULL, oldnoconfig},
yann@2448: 	{NULL, 0, NULL, 0}
yann@2448: };
yann@2448: 
yann@1: int main(int ac, char **av)
yann@1: {
yann@943: 	int opt;
yann@1: 	const char *name;
yann@1: 	struct stat tmpstat;
yann@1: 
yann@943: 	setlocale(LC_ALL, "");
yann@943: 	bindtextdomain(PACKAGE, LOCALEDIR);
yann@943: 	textdomain(PACKAGE);
yann@943: 
yann@2448: 	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
yann@2448: 		input_mode = (enum input_mode)opt;
yann@943: 		switch (opt) {
yann@2448: 		case silentoldconfig:
yann@943: 			sync_kconfig = 1;
yann@1: 			break;
yann@2448: 		case defconfig:
yann@2448: 		case savedefconfig:
yann@943: 			defconfig_file = optarg;
yann@1: 			break;
yann@2448: 		case randconfig:
yann@2448: 		{
yann@2448: 			struct timeval now;
yann@2448: 			unsigned int seed;
yann@2448: 
yann@2448: 			/*
yann@2448: 			 * Use microseconds derived seed,
yann@2448: 			 * compensate for systems where it may be zero
yann@2448: 			 */
yann@2448: 			gettimeofday(&now, NULL);
yann@2448: 
yann@2448: 			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
yann@2448: 			srand(seed);
yann@1: 			break;
yann@2448: 		}
yann@2448: 		case '?':
yann@943: 			fprintf(stderr, _("See README for usage info\n"));
yann@943: 			exit(1);
yann@2448: 			break;
yann@1: 		}
yann@1: 	}
yann@943: 	if (ac == optind) {
yann@1: 		printf(_("%s: Kconfig file missing\n"), av[0]);
yann@1: 		exit(1);
yann@1: 	}
yann@943: 	name = av[optind];
yann@1: 	conf_parse(name);
yann@1: 	//zconfdump(stdout);
yann@943: 	if (sync_kconfig) {
yann@2448: 		name = conf_get_configname();
yann@2448: 		if (stat(name, &tmpstat)) {
yann@943: 			fprintf(stderr, _("***\n"
yann@2448: 				"*** Configuration file \"%s\" not found!\n"
yann@2448: 				"***\n"
yann@2452: 				"*** Please configure with \"menuconfig\", or use a\n"
yann@2452: 				"*** pre-existing sample (see list with \"list-samples\").\n"
yann@2448: 				"***\n"), name);
yann@943: 			exit(1);
yann@943: 		}
yann@943: 	}
yann@943: 
yann@1: 	switch (input_mode) {
yann@2448: 	case defconfig:
yann@1: 		if (!defconfig_file)
yann@1: 			defconfig_file = conf_get_default_confname();
yann@1: 		if (conf_read(defconfig_file)) {
yann@943: 			printf(_("***\n"
yann@1: 				"*** Can't find default configuration \"%s\"!\n"
yann@943: 				"***\n"), defconfig_file);
yann@1: 			exit(1);
yann@1: 		}
yann@1: 		break;
yann@2448: 	case savedefconfig:
yann@2448: 	case silentoldconfig:
yann@2448: 	case oldaskconfig:
yann@2448: 	case oldconfig:
yann@2448: 	case listnewconfig:
yann@2448: 	case oldnoconfig:
yann@1: 		conf_read(NULL);
yann@1: 		break;
yann@2448: 	case allnoconfig:
yann@2448: 	case allyesconfig:
yann@2448: 	case allmodconfig:
yann@2448: 	case alldefconfig:
yann@2448: 	case randconfig:
yann@1: 		name = getenv("KCONFIG_ALLCONFIG");
yann@1: 		if (name && !stat(name, &tmpstat)) {
yann@1: 			conf_read_simple(name, S_DEF_USER);
yann@1: 			break;
yann@1: 		}
yann@1: 		switch (input_mode) {
yann@2448: 		case allnoconfig:	name = "allno.config"; break;
yann@2448: 		case allyesconfig:	name = "allyes.config"; break;
yann@2448: 		case allmodconfig:	name = "allmod.config"; break;
yann@2448: 		case alldefconfig:	name = "alldef.config"; break;
yann@2448: 		case randconfig:	name = "allrandom.config"; break;
yann@1: 		default: break;
yann@1: 		}
yann@1: 		if (!stat(name, &tmpstat))
yann@1: 			conf_read_simple(name, S_DEF_USER);
yann@1: 		else if (!stat("all.config", &tmpstat))
yann@1: 			conf_read_simple("all.config", S_DEF_USER);
yann@1: 		break;
yann@1: 	default:
yann@1: 		break;
yann@1: 	}
yann@1: 
yann@943: 	if (sync_kconfig) {
yann@943: 		if (conf_get_changed()) {
yann@943: 			name = getenv("KCONFIG_NOSILENTUPDATE");
yann@943: 			if (name && *name) {
yann@943: 				fprintf(stderr,
yann@2448: 					_("\n*** The configuration requires explicit update.\n\n"));
yann@943: 				return 1;
yann@943: 			}
yann@943: 		}
yann@943: 		valid_stdin = isatty(0) && isatty(1) && isatty(2);
yann@943: 	}
yann@943: 
yann@943: 	switch (input_mode) {
yann@2448: 	case allnoconfig:
yann@943: 		conf_set_all_new_symbols(def_no);
yann@943: 		break;
yann@2448: 	case allyesconfig:
yann@943: 		conf_set_all_new_symbols(def_yes);
yann@943: 		break;
yann@2448: 	case allmodconfig:
yann@943: 		conf_set_all_new_symbols(def_mod);
yann@943: 		break;
yann@2448: 	case alldefconfig:
yann@2448: 		conf_set_all_new_symbols(def_default);
yann@2448: 		break;
yann@2448: 	case randconfig:
yann@943: 		conf_set_all_new_symbols(def_random);
yann@943: 		break;
yann@2448: 	case defconfig:
yann@943: 		conf_set_all_new_symbols(def_default);
yann@943: 		break;
yann@2448: 	case savedefconfig:
yann@2448: 		break;
yann@2448: 	case oldaskconfig:
yann@1: 		rootEntry = &rootmenu;
yann@1: 		conf(&rootmenu);
yann@2448: 		input_mode = silentoldconfig;
yann@943: 		/* fall through */
yann@2448: 	case oldconfig:
yann@2448: 	case listnewconfig:
yann@2448: 	case oldnoconfig:
yann@2448: 	case silentoldconfig:
yann@943: 		/* Update until a loop caused no more changes */
yann@943: 		do {
yann@943: 			conf_cnt = 0;
yann@943: 			check_conf(&rootmenu);
yann@2448: 		} while (conf_cnt &&
yann@2448: 			 (input_mode != listnewconfig &&
yann@2448: 			  input_mode != oldnoconfig));
yann@943: 		break;
yann@943: 	}
yann@943: 
yann@943: 	if (sync_kconfig) {
yann@943: 		/* silentoldconfig is used during the build so we shall update autoconf.
yann@943: 		 * All other commands are only used to generate a config.
yann@943: 		 */
yann@943: 		if (conf_get_changed() && conf_write(NULL)) {
yann@943: 			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
yann@943: 			exit(1);
yann@1: 		}
yann@2448: 		/* In crosstool-NG, we do not use the autoconf stuff */
yann@2448: 	} else if (input_mode == savedefconfig) {
yann@2448: 		if (conf_write_defconfig(defconfig_file)) {
yann@2448: 			fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
yann@2448: 			        defconfig_file);
yann@2448: 			return 1;
yann@2448: 		}
yann@2448: 	} else if (input_mode != listnewconfig) {
yann@943: 		if (conf_write(NULL)) {
yann@943: 			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
yann@943: 			exit(1);
yann@1: 		}
yann@39: 	}
yann@39: 	return 0;
yann@1: }
yann@2448: /*
yann@2448:  * Helper function to facilitate fgets() by Jean Sacren.
yann@2448:  */
yann@2448: void xfgets(str, size, in)
yann@2448: 	char *str;
yann@2448: 	int size;
yann@2448: 	FILE *in;
yann@2448: {
yann@2448: 	if (fgets(str, size, in) == NULL)
yann@2448: 		fprintf(stderr, "\nError in reading or end of file.\n");
yann@2448: }