// json, and the files, in the archive are laid out in a temp directory
// that cwd is set to.
func initOverlay(t *testing.T, config string) {
	t.Helper()

	// Create a temporary directory and chdir to it.
	prevwd, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	cwd = filepath.Join(t.TempDir(), "root")
	if err := os.Mkdir(cwd, 0777); err != nil {
		t.Fatal(err)
	}
	if err := os.Chdir(cwd); err != nil {
		t.Fatal(err)
	}

		if cancel == nil {
			cmd.Cancel = nil
		} else {
			cmd.Cancel = func() error { return cancel(cmd) }
		}
		cmd.WaitDelay = waitDelay
		cmd.Args[0] = name
		cmd.Dir = s.Getwd()
		cmd.Env = s.env
		cmd.Stdout = &stdoutBuf
		cmd.Stderr = &stderrBuf
		err := cmd.Start()
		if err == nil {
			break
		}
		if isETXTBSY(err) {

		if runInDir != "" {
			cmd.Dir = runInDir
			// Set PWD to match Dir to speed up os.Getwd in the child process.
			cmd.Env = append(cmd.Env, "PWD="+cmd.Dir)
		} else {
			// Default to running in the GOROOT/test directory.
			cmd.Dir = t.gorootTestDir
			// Set PWD to match Dir to speed up os.Getwd in the child process.
			cmd.Env = append(cmd.Env, "PWD="+cmd.Dir)
		}
		if tempDirIsGOPATH {

	out, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		f.Fatalf("%v", err)
	}
	reportPath := path
	if !filepath.IsAbs(reportPath) {
		pwd, err := os.Getwd()
		if err != nil {
			f.Fatalf("%v", err)
		}
		reportPath = filepath.Join(pwd, path)
	}
	html := HTMLWriter{
		w:    out,
		Func: f,
		path: reportPath,
		dot:  newDotWriter(cfgMask),
	}

			os.Remove("libgo4.a")
			os.Remove("libgo4.h")
			os.Remove("testar")
			os.Remove("testar.ran")
			os.RemoveAll(filepath.Join(GOPATH, "pkg"))
		}()
	}

	os.Remove("testar")
	dir, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	s := strings.Replace(testar, "PWD", dir, 1)
	if err := os.WriteFile("testar", []byte(s), 0777); err != nil {
		t.Fatal(err)
	}

	}
	if runtime.GOOS == "windows" {
		getwdCache.Lock()
		getwdCache.dir = dir
		getwdCache.Unlock()
	}
	if log := testlog.Logger(); log != nil {
		wd, err := Getwd()
		if err == nil {
			log.Chdir(wd)
		}
	}
	return nil
}

// Open opens the named file for reading. If successful, methods on
// the returned file can be used for reading; the associated file

		return "", err
	}
	return ByteSliceToString(buf[:vallen]), nil
}

const ImplementsGetwd = true

//sys	Getcwd(buf []byte) (n int, err error)

func Getwd() (wd string, err error) {
	var buf [PathMax]byte
	// Getcwd will return an error if it failed for any reason.
	_, err = Getcwd(buf[0:])
	if err != nil {
		return "", err
	}
	n := clen(buf[:])
	if n < 1 {
		return "", EINVAL
	}

// See Issue 14959
func TestDLLPreloadMitigation(t *testing.T) {
	if _, err := exec.LookPath("gcc"); err != nil {
		t.Skip("skipping test: gcc is missing")
	}

	tmpdir := t.TempDir()

	dir0, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	defer os.Chdir(dir0)

	const src = `
#include <stdint.h>
#include <windows.h>

uintptr_t cfunc(void) {
   SetLastError(123);

		},
		Spec: spec,
	}
}

// defaultInstallPackageDir returns a path to a snapshot of the helm charts used for testing.
func defaultInstallPackageDir() string {
	wd, err := os.Getwd()
	if err != nil {
		panic(err)
	}
	return filepath.Join(wd, "../../../manifests/")

	return Utimes("/proc/self/fd/"+itoa.Itoa(fd), tv)
}

const ImplementsGetwd = true

//sys	Getcwd(buf []byte) (n int, err error)

func Getwd() (wd string, err error) {
	var buf [PathMax]byte
	n, err := Getcwd(buf[0:])
	if err != nil {
		return "", err
	}
	// Getcwd returns the number of bytes written to buf, including the NUL.
	if n < 1 || n > len(buf) || buf[n-1] != 0 {
		return "", EINVAL