javascript004

function int32(n){
    (0xFFFFFFFF >> 1 === -1; 0xFFFFFFFF >>> 1 === 0x7FFFFFFF und -1 >>> 0 === 0xFFFFFFFF)
    return ((n & 0xFFFFFFFF) >>> 0);
}

function toHex(n, anzahl){
    var ret = n.toString(16);
    while (ret.length < anzahl){
        ret = "0" + ret;
    }
    return ret;
}

function reverse(str, block){
    if (!block){
        block = 1;
    }
    var ret = "";
    for (var i = str.length - block; i >= 0; i -= block){
        ret += str.substr(i, block);
    }
    if (i !== block*-1){
        ret += str.substr(0, -i);
    }
    return ret;
}

/* function toBigEndian(nr){
    return String.fromCharCode(
        (0xFF000000 & nr) >>> 24,
        (0x00FF0000 & nr) >>> 16,
        (0x0000FF00 & nr) >>> 8,
        (0x000000FF & nr) >>> 0
    );
} */

function toLittleEndian(nr){
    return String.fromCharCode(
        (0x000000FF & nr) >>> 0,
        (0x0000FF00 & nr) >>> 8,
        (0x00FF0000 & nr) >>> 16,
        (0xFF000000 & nr) >>> 24
    );
}