import (
	"syscall"
	"unsafe"
)

//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sys	Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)

func Stat(path string, stat *Stat_t) (err error) {
	return fstatat(_AT_FDCWD, path, stat, 0)
}

func Lchown(path string, uid int, gid int) (err error) {
	return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW)
}

func Lstat(path string, stat *Stat_t) (err error) {
	return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW)
}

	}, nil
}

type cachedInfo struct {
	info *RevInfo
	err  error
}

func (r *cachingRepo) Stat(ctx context.Context, rev string) (*RevInfo, error) {
	if gover.IsToolchain(r.path) {
		// Skip disk cache; the underlying golang.org/toolchain repo is cached instead.
		return r.repo(ctx).Stat(ctx, rev)
	}
	info, err := r.statCache.Do(rev, func() (*RevInfo, error) {
		file, info, err := readDiskStat(ctx, r.path, rev)

func requiresPermissionChange(rootDir string, fsGroup *int64, readonly bool) bool {
	fsInfo, err := os.Stat(rootDir)
	if err != nil {
		klog.ErrorS(err, "Performing recursive ownership change on rootDir because reading permissions of root volume failed", "path", rootDir)
		return true
	}
	stat, ok := fsInfo.Sys().(*syscall.Stat_t)
	if !ok || stat == nil {

//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sysnb	Getegid() (egid int) = SYS_GETEGID32
//sysnb	Geteuid() (euid int) = SYS_GETEUID32
//sysnb	Getgid() (gid int) = SYS_GETGID32

)

func TestGetStatWindows(t *testing.T) {
	event := fsnotify.Event{Name: "name", Op: fsnotify.Create}
	fi, err := getStat(event)
	fiExpected, errExpected := os.Stat(event.Name)
	// TODO: This is a workaround for Windows 20H2 issue for os.Stat(). Please see
	// microsoft/Windows-Containers#97 for details.
	// Once the issue is resvolved, the following os.Lstat() is not needed.
	if errExpected != nil {

func SameDisk(disk1, disk2 string) (bool, error) {
	st1 := syscall.Stat_t{}
	st2 := syscall.Stat_t{}

	if err := syscall.Stat(disk1, &st1); err != nil {
		return false, err
	}

	if err := syscall.Stat(disk2, &st2); err != nil {
		return false, err
	}

	return st1.Dev == st2.Dev, nil

import (
	"bytes"
	. "os"
	"path/filepath"
	"runtime"
	"testing"
)

func checkNamedSize(t *testing.T, path string, size int64) {
	dir, err := Stat(path)
	if err != nil {
		t.Fatalf("Stat %q (looking for size %d): %s", path, size, err)
	}
	if dir.Size() != size {
		t.Errorf("Stat %q: size %d want %d", path, dir.Size(), size)
	}
}

func TestReadFile(t *testing.T) {
	t.Parallel()

	filename := "rumpelstilzchen"

type xlMetaV1Object struct {
	Version string   `json:"version"` // Version of the current `xl.meta`.
	Format  string   `json:"format"`  // Format of the current `xl.meta`.
	Stat    StatInfo `json:"stat"`    // Stat of the current object `xl.meta`.
	// Erasure coded info for the current object `xl.meta`.
	Erasure ErasureInfo `json:"erasure"`
	// MinIO release tag for current object `xl.meta`.
	Minio struct {

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fstat(fd int, stat *Stat_t) (err error) {
	_, _, e1 := Syscall(SYS_FSTAT64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(path)