r.fileList[idx].isDup = true
				continue
			}
			if idx, ok := knownDirs[name]; ok {
				r.fileList[idx].isDup = true
				continue
			}

			for dir := path.Dir(name); dir != "."; dir = path.Dir(dir) {
				dirs[dir] = true
			}

			idx := len(r.fileList)
			entry := fileListEntry{
				name:  name,
				file:  file,
				isDir: isDir,
			}
			r.fileList = append(r.fileList, entry)

	peekText        string
}

// NewInput returns an Input from the given path.
func NewInput(name string) *Input {
	return &Input{
		// include directories: look in source dir, then -I directories.
		includes:        append([]string{filepath.Dir(name)}, flags.I...),
		beginningOfLine: true,
		macros:          predefine(flags.D),
	}
}

// predefine installs the macros set by the -D flag on the command line.

		t.Fatal(err)
	}
	if buf.Len() == 0 {
		t.Fatal("No bytes written after Flush")
	}
}

func TestWriterDir(t *testing.T) {
	w := NewWriter(io.Discard)
	dw, err := w.Create("dir/")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := dw.Write(nil); err != nil {
		t.Errorf("Write(nil) to directory: got %v, want nil", err)
	}
	if _, err := dw.Write([]byte("hello")); err == nil {

	if usePkgCache {
		if tags, ok := pkgTags[dir]; ok {
			key = tagKey(dir, context, tags)
			if pkg := pkgCache[key]; pkg != nil {
				w.imported[name] = pkg
				return pkg, nil
			}
		}
	}

	info, err := context.ImportDir(dir, 0)
	if err != nil {
		if _, nogo := err.(*build.NoGoError); nogo {
			return nil, err
		}
		log.Fatalf("pkg %q, dir %q: ScanDir: %v", name, dir, err)
	}

			spb = append(spb, zeroBlock[:pad]...)
			hdr.Size += int64(len(spb)) // Accounts for encoded sparse map

			// Add and modify appropriate PAX records.
			dir, file := path.Split(realName)
			hdr.Name = path.Join(dir, "GNUSparseFile.0", file)
			paxHdrs[paxGNUSparseMajor] = "1"
			paxHdrs[paxGNUSparseMinor] = "0"
			paxHdrs[paxGNUSparseName] = realName

// reach out into testdata from parent packages.
func adbCopyTree(deviceCwd, subdir string) error {
	dir := ""
	for {
		for _, name := range []string{"testdata", "go.mod", "go.sum"} {
			hostPath := filepath.Join(dir, name)
			if _, err := os.Stat(hostPath); err != nil {
				continue
			}
			devicePath := path.Join(deviceCwd, dir)
			if err := adb("exec-out", "mkdir", "-p", devicePath); err != nil {
				return err
			}

// CreateHeader and CreateRaw.
func (w *Writer) prepare(fh *FileHeader) error {
	if w.last != nil && !w.last.closed {
		if err := w.last.close(); err != nil {
			return err
		}
	}
	if len(w.dir) > 0 && w.dir[len(w.dir)-1].FileHeader == fh {
		// See https://golang.org/issue/11144 confusion.
		return errors.New("archive/zip: invalid duplicate FileHeader")
	}
	return nil
}

			testClose{nil},
		},
	}, {
		// Automatically promote zero value of Typeflag depending on the name.
		file: "testdata/file-and-dir.tar",
		tests: []testFnc{
			testHeader{Header{Name: "small.txt", Size: 5}, nil},
			testWrite{"Kilts", 5, nil},
			testHeader{Header{Name: "dir/"}, nil},
			testClose{nil},
		},
	}}

	equalError := func(x, y error) bool {
		_, ok1 := x.(headerError)

			Mode:     0660,
			Size:     0,
			ModTime:  time.Unix(1360578954, 0),
			Typeflag: TypeBlock,
		},
		fm: 0660 | fs.ModeDevice,
	}, {
		// directory.
		h: &Header{
			Name:     "dir/",
			Mode:     0755,
			Size:     0,
			ModTime:  time.Unix(1360601116, 0),
			Typeflag: TypeDir,
		},
		fm: 0755 | fs.ModeDir,
	}, {
		// fifo node.
		h: &Header{
			Name:     "dev/initctl",

	MSR	R6, RNDR                                         // ERROR "system register is not writable"
	MRS	DBGDTRTX_EL0, R5                                 // ERROR "system register is not readable"
	MRS	ICV_DIR_EL1, R5                                  // ERROR "system register is not readable"
	MRS	ICC_SGI1R_EL1, R5                                // ERROR "system register is not readable"