Function getNeededSize

queue/bytes_queue.go:42–58

getNeededSize returns the number of bytes an entry of length need in the queue

(length int)

// getNeededSize returns the number of bytes an entry of length need in the queue
func getNeededSize(length int) int {
	var header int
	switch {
	case length < 127: // 1<<7-1
		header = 1
	case length < 16382: // 1<<14-2
		header = 2
	case length < 2097149: // 1<<21 -3
		header = 3
	case length < 268435452: // 1<<28 -4
		header = 4
	default:
		header = 5
	}

	return length + header
}

// NewBytesQueue initialize new bytes queue.
// capacity is used in bytes array allocation