flagComment = 1 << 4
)

var (
	// ErrChecksum is returned when reading GZIP data that has an invalid checksum.
	ErrChecksum = errors.New("gzip: invalid checksum")
	// ErrHeader is returned when reading GZIP data that has an invalid header.
	ErrHeader = errors.New("gzip: invalid header")
)

var le = binary.LittleEndian

// noEOF converts io.EOF to io.ErrUnexpectedEOF.
func noEOF(err error) error {
	if err == io.EOF {

	fakeErr := errors.New("fake error")
	didClose := make(chan bool, 1)
	req, _ := NewRequest("POST", ts.URL, struct {
		io.Reader
		io.Closer
	}{
		io.MultiReader(io.LimitReader(neverEnding('x'), 1<<20), iotest.ErrReader(fakeErr)),
		closerFunc(func() error {
			select {
			case didClose <- true:
			default:
			}
			return nil
		}),
	})
	res, err := c.Do(req)
	if res != nil {

		{"(*Writer).Close", Method, 0},
		{"(*Writer).Flush", Method, 0},
		{"(*Writer).Write", Method, 0},
		{"(*Writer).WriteHeader", Method, 0},
		{"(Format).String", Method, 10},
		{"ErrFieldTooLong", Var, 0},
		{"ErrHeader", Var, 0},
		{"ErrInsecurePath", Var, 20},
		{"ErrWriteAfterClose", Var, 0},
		{"ErrWriteTooLong", Var, 0},
		{"FileInfoHeader", Func, 1},
		{"Format", Type, 10},
		{"FormatGNU", Const, 10},

			var stErr bzip2.StructuralError
			if errors.As(err, &stErr) {
				return errInvalidCompression(err, s3Select.Input.CompressionType)
			}
			// Test these compressor errors
			errs := []error{
				gzip.ErrHeader, gzip.ErrChecksum,
				s2.ErrCorrupt, s2.ErrUnsupported, s2.ErrCRC,
				zstd.ErrBlockTooSmall, zstd.ErrMagicMismatch, zstd.ErrWindowSizeExceeded, zstd.ErrUnknownDictionary, zstd.ErrWindowSizeTooSmall,

// architectures. If a large value is encountered when decoding, the result
// stored in Header will be the truncated version.

var tarinsecurepath = godebug.New("tarinsecurepath")

var (
	ErrHeader          = errors.New("archive/tar: invalid tar header")
	ErrWriteTooLong    = errors.New("archive/tar: write too long")
	ErrFieldTooLong    = errors.New("archive/tar: header field too long")

pkg testing/fstest, type MapFile struct, ModTime time.Time
pkg testing/fstest, type MapFile struct, Mode fs.FileMode
pkg testing/fstest, type MapFile struct, Sys interface{}
pkg testing/iotest, func ErrReader(error) io.Reader
pkg testing/iotest, func TestReader(io.Reader, []uint8) error
pkg text/template, func ParseFS(fs.FS, ...string) (*Template, error)