Method Write

go/internal/truncbuffer/truncbuffer.go:27–49

Write appends p to the buffer, keeping only the last size bytes. The return value n is the length of p;

(p []byte)

// Write appends p to the buffer, keeping only the last size bytes.
// The return value n is the length of p;
func (t *TruncBuffer) Write(p []byte) (int, error) {
	t.mu.Lock()
	defer t.mu.Unlock()

	// If input is larger than the buffer, only keep the tail.
	if len(p) >= t.size {
		copy(t.buf, p[len(p)-t.size:])
		t.head = 0
		t.full = true
		return len(p), nil
	}

	for _, b := range p {
		t.buf[t.head] = b
		t.head++
		if t.head == t.size {
			t.head = 0
			t.full = true
		}
	}

	return len(p), nil
}

// Bytes returns a copy of the current buffer contents in order.
func (t *TruncBuffer) Bytes() []byte {