}
		// See src/os/dir_unix.go for the reason why this condition is
		// excluded on wasip1.
		if ino == 0 && runtime.GOOS != "wasip1" { // File absent in directory.
			continue
		}
		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
		namlen, ok := direntNamlen(rec)
		if !ok || namoff+namlen > uint64(len(rec)) {
			break
		}
		name := rec[namoff : namoff+namlen]
		for i, c := range name {
			if c == 0 {
				name = name[:i]

		}
		rec := buf[:reclen]
		buf = buf[reclen:]
		ino, ok := direntIno(rec)
		if !ok {
			break
		}
		if ino == 0 { // File absent in directory.
			continue
		}
		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
		namlen, ok := direntNamlen(rec)
		if !ok || namoff+namlen > uint64(len(rec)) {
			break
		}
		name := rec[namoff : namoff+namlen]
		for i, c := range name {
			if c == 0 {
				name = name[:i]

		for len(data) > 0 {
			// If multiple Dirents are written into buf, sometimes when we reach the final one,
			// we have cap(buf) < Sizeof(Dirent). So use an appropriate slice to copy from data.
			var dirent syscall.Dirent
			copy((*[unsafe.Sizeof(dirent)]byte)(unsafe.Pointer(&dirent))[:], data)

			data = data[dirent.Reclen:]
			name := make([]byte, dirent.Namlen)
			for i := 0; i < int(dirent.Namlen); i++ {
				name[i] = byte(dirent.Name[i])

		d.close()
	}

	size := n
	if size <= 0 {
		size = 100
		n = -1
	}

	var dirent syscall.Dirent
	var entptr *syscall.Dirent
	for len(names)+len(dirents)+len(infos) < size || n == -1 {
		if errno := readdir_r(d.dir, &dirent, &entptr); errno != 0 {
			if errno == syscall.EINTR {
				continue
			}
			return names, dirents, infos, &PathError{Op: "readdir", Path: f.name, Err: errno}
		}
		if entptr == nil { // EOF

func IsStandardPackage(goroot, compiler, path string) bool {
	switch compiler {
	case "gc":
		dir := filepath.Join(goroot, "src", path)
		dirents, err := os.ReadDir(dir)
		if err != nil {
			return false
		}
		for _, dirent := range dirents {
			if strings.HasSuffix(dirent.Name(), ".go") {
				return true
			}
		}
		return false
	case "gccgo":
		return stdpkg[path]
	default:

	}
	if len(buf) < int(dirent.Reclen) {
		return consumed, nil, typ, fmt.Errorf("buf size %d < record length %d", len(buf), dirent.Reclen)
	}
	consumed = int(dirent.Reclen)
	if direntInode(dirent) == 0 { // File absent in directory.
		return
	}
	switch dirent.Type {
	case syscall.DT_REG:
		typ = 0
	case syscall.DT_DIR:
		typ = os.ModeDir

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

func Pipe(p []int) error {
	return Pipe2(p, 0)

	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

func Pipe(p []int) (err error) {

// https://github.com/WebAssembly/WASI/blob/main/legacy/preview1/docs.md#-dirent-record
const sizeOfDirent = 24

func direntReclen(buf []byte) (uint64, bool) {
	namelen, ok := direntNamlen(buf)
	return sizeOfDirent + namelen, ok
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}

func direntNext(buf []byte) (uint64, bool) {