Commit 0cbe3ac4 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kconfig: remove k_invalid from expr_parse_string() return type 



The only possibility of k_invalid being returned was when
expr_parse_sting() parsed S_OTHER type symbol. This actually never
happened, and this is even clearer since S_OTHER has gone.

Clean up unreachable code.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 2aabbed6

scripts/kconfig/expr.c

+2 −12
Original line number Diff line number Diff line
@@ -980,7 +980,6 @@ enum string_value_kind { 
	k_string,

	k_signed,

	k_unsigned,

	k_invalid

};



union string_value {
@@ -1011,13 +1010,10 @@ static enum string_value_kind expr_parse_string(const char *str, 
		val->u = strtoull(str, &tail, 16);

		kind = k_unsigned;

		break;

	case S_STRING:

	case S_UNKNOWN:

	default:

		val->s = strtoll(str, &tail, 0);

		kind = k_signed;

		break;

	default:

		return k_invalid;

	}

	return !errno && !*tail && tail > str && isxdigit(tail[-1])

	       ? kind : k_string;
@@ -1073,13 +1069,7 @@ tristate expr_calc_value(struct expr *e) 


	if (k1 == k_string || k2 == k_string)

		res = strcmp(str1, str2);

	else if (k1 == k_invalid || k2 == k_invalid) {

		if (e->type != E_EQUAL && e->type != E_UNEQUAL) {

			printf("Cannot compare \"%s\" and \"%s\"\n", str1, str2);

			return no;

		}

		res = strcmp(str1, str2);

	} else if (k1 == k_unsigned || k2 == k_unsigned)

	else if (k1 == k_unsigned || k2 == k_unsigned)

		res = (lval.u > rval.u) - (lval.u < rval.u);

	else /* if (k1 == k_signed && k2 == k_signed) */

		res = (lval.s > rval.s) - (lval.s < rval.s);

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