Function swap_bytes

g2all/900/lapse.js:672–679

(x, byte_length)

function double_free_reqs2(sds) {
    function swap_bytes(x, byte_length) {
        let res = 0;
        for (let i = 0; i < byte_length; i++) {
            res |= ((x >> 8 * i) & 0xff) << 8 * (byte_length - i - 1);
        }

        return res >>> 0;
    }

    function htons(x) {
        return swap_bytes(x, 2);