char *conf_get_default_confname(void)
{
	struct stat buf;
	static char *fullname = NULL;
	char *env, *name;

	name = conf_expand_value(conf_defname);
	env = getenv(SRCTREE);
	if (env) {
		fullname = realloc(fullname, strlen(env) + strlen(name) + 2);
		sprintf(fullname, "%s/%s", env, name);
		if (!stat(fullname, &buf))
			return fullname;
	}
	return name;
}

int conf_read_simple(const char *name)
{
	FILE *in = NULL;
	char line[1024];
	char *p, *p2;
	struct symbol *sym;
	int i;

	if (name) {
		in = zconf_fopen(name);
	} else {
		const char **names = conf_confnames;
		while ((name = *names++)) {
			name = conf_expand_value(name);
			in = zconf_fopen(name);
			if (in) {
				printf(_("#\n"
				         "# using defaults found in %s\n"
				         "#\n"), name);
				break;
			}
		}
	}
	if (!in)
		return 1;

	conf_filename = name;
	conf_lineno = 0;
	conf_warnings = 0;
	conf_unsaved = 0;

	for_all_symbols(i, sym) {
		sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
		if (sym_is_choice(sym))
			sym->flags &= ~SYMBOL_NEW;
		sym->flags &= ~SYMBOL_VALID;
		switch (sym->type) {
		case S_INT:
		case S_HEX:
		case S_STRING:
			if (sym->user.val)
				free(sym->user.val);
		default:
			sym->user.val = NULL;
			sym->user.tri = no;
		}
	}

int conf_read(const char *name)
{
	FILE *in = NULL;
	char line[1024];
	char *p, *p2;
	int lineno = 0;
	struct symbol *sym;
	struct property *prop;
	struct expr *e;
	int i;

	if (name) {
		in = fopen(name, "r");
	} else {
		const char **names = conf_confnames;
		while ((name = *names++)) {
			name = conf_expand_value(name);
			in = fopen(name, "r");
			if (in) {
				printf("#\n"
				       "# using defaults found in %s\n"
				       "#\n", name);
				break;
			}
		}
	}

	if (!in)
		return 1;

	for_all_symbols(i, sym) {
		sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
		sym->flags &= ~SYMBOL_VALID;
		switch (sym->type) {
		case S_INT:
		case S_HEX:
		case S_STRING:
			if (S_VAL(sym->def))
				free(S_VAL(sym->def));
		default:
			S_VAL(sym->def) = NULL;
			S_TRI(sym->def) = no;
			;
		}
	}

char *conf_get_default_confname(void)
{
	return conf_expand_value(conf_defname);
}