Function conf_read_simple

util/kconfig/confdata.c:388–556

}

int conf_read_simple(const char *name, int def)
{
	FILE *in = NULL;
	char   *line = NULL;
	size_t  line_asize = 0;
	char *p, *val, *sym_name;
	struct symbol *sym;
	int i, def_flags;
	const char *warn_unknown;

	warn_unknown = getenv("KCONFIG_WARN_UNKNOWN_SYMBOLS");
	if (name) {
		in = zconf_fopen(name);
	} else {
		char *env;

		name = conf_get_configname();
		in = zconf_fopen(name);
		if (in)
			goto load;
		conf_set_changed(true);

		env = getenv("KCONFIG_DEFCONFIG_LIST");
		if (!env)
			return 1;

		while (1) {
			bool is_last;

			while (isspace(*env))
				env++;

			if (!*env)
				break;

			p = env;
			while (*p && !isspace(*p))
				p++;

			is_last = (*p == '\0');

			*p = '\0';

			in = zconf_fopen(env);
			if (in) {
				conf_message("using defaults found in %s",
					     env);
				goto load;
			}

			if (is_last)
				break;

			env = p + 1;
		}
	}
	if (!in)
		return 1;