/**
* Copies a specified number of bytes from one stream to another.
*
* @param Stream $source Source stream
* @param int $count Number of bytes
*
* @return int Number of bytes copied.
*/
public function copyFrom(Stream $source, $count)
{
$maxBufSize = 0xf000;
if ($count == 0) {
$source->position = 0;
$count = $source->size;
}
$result = $count;
$bufSize = $count > $maxBufSize ? $maxBufSize : $count;
while ($count != 0) {
$n = $count > $bufSize ? $bufSize : $count;
$source->readBuffer($buffer, $n);
$this->writeBuffer($buffer, $n);
$count -= $n;
}
return $result;
}
