writeZeroes method
Writes writtenLength zero bytes.
Implementation
void writeZeroes(int writtenLength) {
ensureAvailableLength(writtenLength);
var pos = _length;
while (writtenLength >= 4) {
_byteData.setUint32(pos, 0);
pos += 4;
writtenLength -= 4;
}
while (writtenLength > 0) {
_byteData.setUint8(pos++, 0);
writtenLength--;
}
_length = pos;
}