panic("crypto/ecdh: internal error: isLess input too large")
	}
	bufA, bufB := make([]byte, 72), make([]byte, 72)
	for i := range a {
		bufA[i], bufB[i] = a[len(a)-i-1], b[len(b)-i-1]
	}

	// Perform a subtraction with borrow.
	var borrow uint64
	for i := 0; i < len(bufA); i += 8 {
		limbA, limbB := byteorder.LeUint64(bufA[i:]), byteorder.LeUint64(bufB[i:])
		_, borrow = bits.Sub64(limbA, limbB, borrow)
	}

				dirBufPool.Put(d.buf)
				d.buf = nil
				break // EOF
			}
		}

		// Drain the buffer
		buf := (*d.buf)[d.bufp:d.nbuf]
		reclen, ok := direntReclen(buf)
		if !ok || reclen > uint64(len(buf)) {
			break
		}
		rec := buf[:reclen]
		d.bufp += int(reclen)
		ino, ok := direntIno(rec)
		if !ok {
			break
		}
		// When building to wasip1, the host runtime might be running on Windows

	}
}

func TestWriterReset(t *testing.T) {
	buf := new(bytes.Buffer)
	buf2 := new(bytes.Buffer)
	z := NewWriter(buf)
	msg := []byte("hello world")
	z.Write(msg)
	z.Close()
	z.Reset(buf2)
	z.Write(msg)
	z.Close()
	if buf.String() != buf2.String() {
		t.Errorf("buf2 %q != original buf of %q", buf2.String(), buf.String())
	}
}

type limitedWriter struct {
	N int
}

type dirInfo struct {
	mu sync.Mutex
	// buf is a slice pointer so the slice header
	// does not escape to the heap when returning
	// buf to dirBufPool.
	buf   *[]byte // buffer for directory I/O
	bufp  int     // location of next record in buf
	h     syscall.Handle
	vol   uint32
	class uint32 // type of entries in buf

func BenchmarkDecoder(b *testing.B) {
	buf, err := os.ReadFile("../testdata/e.txt")
	if err != nil {
		b.Fatal(err)
	}
	if len(buf) == 0 {
		b.Fatalf("test file has no data")
	}

	getInputBuf := func(buf []byte, n int) []byte {
		compressed := new(bytes.Buffer)
		w := NewWriter(compressed, LSB, 8)
		for i := 0; i < n; i += len(buf) {
			if len(buf) > n-i {
				buf = buf[:n-i]
			}
			w.Write(buf)
		}

		}
	}
	for bufSize := len(id); bufSize <= len(buf); bufSize++ {
		for j := range buf {
			for k := 0; k < 2*len(id) && j+k < len(buf); k++ {
				for i := range buf {
					buf[i] = 1
				}
				copy(buf[j:], id)
				copy(buf[j+k:], id)
				var m []int64
				if j+len(id) <= j+k {
					m = append(m, int64(j))
				}
				if j+k+len(id) <= len(buf) {
					m = append(m, int64(j+k))
				}