punycode: Test for integer overflow
This commit is contained in:
parent
2a848fa727
commit
8475e1527d
@ -28,6 +28,7 @@ var SKEW = 38;
|
||||
var DAMP = 700; // initial bias scaler
|
||||
var INITIAL_N = 128;
|
||||
var INITIAL_BIAS = 72;
|
||||
var MAX_INTEGER = Math.pow(2, 53);
|
||||
|
||||
function adapt_bias(delta, n_points, is_first) {
|
||||
// scale back, then increase delta
|
||||
@ -151,7 +152,7 @@ function encode(input) {
|
||||
for (var i = 0; i < len; ++i) {
|
||||
var c = input[i];
|
||||
if (c < n) {
|
||||
if (++delta == 0) {
|
||||
if (++delta == MAX_INTEGER) {
|
||||
throw new Error('Delta overflow.');
|
||||
}
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user