repeats     uint     // the number of copies of lastByte to output.
}

// NewReader returns an io.Reader which decompresses bzip2 data from r.
// If r does not also implement [io.ByteReader],
// the decompressor may read more data than necessary from r.
func NewReader(r io.Reader) io.Reader {
	bz2 := new(reader)
	bz2.br = newBitReader(r)
	return bz2
}

const bzip2FileMagic = 0x425a // "BZ"

}

// A Reader reads records from a CSV-encoded file.
//
// As returned by [NewReader], a Reader expects input conforming to RFC 4180.
// The exported fields can be changed to customize the details before the
// first call to [Reader.Read] or [Reader.ReadAll].
//
// The Reader converts all \r\n sequences in its input to plain \n,

>>> Flow 1 (client to server)
00000000  16 03 01 00 ca 01 00 00  c6 03 03 56 2e 3c 64 35  |...........V.<d5|
00000010  b8 7d db 8a 3c f0 93 73  0f 64 8d 84 da b6 59 37  |.}..<..s.d....Y7|
00000020  22 99 3f 69 16 56 16 39  a2 a9 58 20 7c d3 26 20  |".?i.V.9..X |.& |
00000030  a0 dc e9 7a 07 71 02 2d  3b 27 85 16 fb 6e 26 e5  |...z.q.-;'...n&.|
00000040  c3 67 e5 0b bd e5 50 8f  bd 39 6f 2c 00 04 13 01  |.g....P..9o,....|

// findEmbed advances the input reader to the next //go:embed comment.
// It reports whether it found a comment.
// (Otherwise it found an error or EOF.)
func (r *importReader) findEmbed(first bool) bool {
	// The import block scan stopped after a non-space character,
	// so the reader is not at the start of a line on the first call.
	// After that, each //go:embed extraction leaves the reader
	// at the end of a line.

// The Header.Size determines how many bytes can be written for the next file.
// If the current file is not fully written, then this returns an error.
// This implicitly flushes any padding necessary before writing the header.
func (tw *Writer) WriteHeader(hdr *Header) error {
	if err := tw.Flush(); err != nil {
		return err
	}
	tw.hdr = *hdr // Shallow copy of Header

	ui.help["flamegraph"] = "Display profile as a flame graph"
	ui.help["reset"] = "Show the entire profile"
	ui.help["save_config"] = "Save current settings"

	server := o.HTTPServer
	if server == nil {
		server = defaultWebServer
	}
	args := &plugin.HTTPServerArgs{
		Hostport: net.JoinHostPort(host, strconv.Itoa(port)),
		Host:     host,
		Port:     port,
		Handlers: map[string]http.Handler{

			t.Errorf("failed to call cli.Close: %v", err)
		}
	}()
	server := Server(s, serverConfig)
	err = server.Handshake()
	if err == nil {
		serverState = server.ConnectionState()
		if _, err := io.WriteString(server, sentinel); err != nil {
			t.Errorf("failed to call server.Write: %v", err)
		}
		if err := server.Close(); err != nil {
			t.Errorf("failed to call server.Close: %v", err)
		}
	} else {

			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &linkEditDataCmd{}, "DataOff")
		case LC_ENCRYPTION_INFO, LC_ENCRYPTION_INFO_64:
			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &encryptionInfoCmd{}, "CryptOff")
		case LC_UUID:
			var u uuidCmd
			err = reader.ReadAt(0, &u)
			if err == nil {
				copy(u.Uuid[:], uuidFromGoBuildId(*flagBuildid))
				err = reader.WriteAt(0, &u)
			}

// NewReaderSize returns a new [Reader] whose buffer has at least the specified
// size. If the argument io.Reader is already a [Reader] with large enough
// size, it returns the underlying [Reader].
func NewReaderSize(rd io.Reader, size int) *Reader {
	// Is it already a Reader?
	b, ok := rd.(*Reader)
	if ok && len(b.buf) >= size {
		return b
	}
	r := new(Reader)
	r.reset(make([]byte, max(size, minReadBufferSize)), rd)

			if innermost == nil {
				innermost = l
				continue
			}

			if sdom.isAncestor(innermost.header, l.header) {
				sdom.outerinner(innermost, l)
				innermost = l
			} else if sdom.isAncestor(l.header, innermost.header) {
				sdom.outerinner(l, innermost)
			}
		}

		if innermost != nil {
			b2l[b.ID] = innermost
			innermost.nBlocks++
		}
		visited[b.ID] = true
	}