Golang GetFileAttributes Examples

Example #1

File: basicfs_symlink_windows.go Project: kluppy/syncthing

func (BasicFilesystem) ReadSymlink(path string) (string, LinkTargetType, error) {
	ptr, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return "", LinkTargetUnknown, err
	}
	handle, err := syscall.CreateFile(ptr, 0, syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS|win32FileFlagOpenReparsePoint, 0)
	if err != nil || handle == syscall.InvalidHandle {
		return "", LinkTargetUnknown, err
	}
	defer syscall.Close(handle)
	var ret uint16
	var data reparseData

	r1, _, err := syscall.Syscall9(procDeviceIoControl.Addr(), 8, uintptr(handle), win32FsctlGetReparsePoint, 0, 0, uintptr(unsafe.Pointer(&data)), unsafe.Sizeof(data), uintptr(unsafe.Pointer(&ret)), 0, 0)
	if r1 == 0 {
		return "", LinkTargetUnknown, err
	}

	tt := LinkTargetUnknown
	if attr, err := syscall.GetFileAttributes(ptr); err == nil {
		if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
			tt = LinkTargetDirectory
		} else {
			tt = LinkTargetFile
		}
	}

	return osutil.NormalizedFilename(data.printName()), tt, nil
}

Example #2

File: file_windows.go Project: timnau/golang

// Remove removes the named file or directory.
// If there is an error, it will be of type *PathError.
func Remove(name string) error {
	p, e := syscall.UTF16PtrFromString(name)
	if e != nil {
		return &PathError{"remove", name, e}
	}

	// Go file interface forces us to know whether
	// name is a file or directory. Try both.
	e = syscall.DeleteFile(p)
	if e == nil {
		return nil
	}
	e1 := syscall.RemoveDirectory(p)
	if e1 == nil {
		return nil
	}

	// Both failed: figure out which error to return.
	if e1 != e {
		a, e2 := syscall.GetFileAttributes(p)
		if e2 != nil {
			e = e2
		} else {
			if a&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
				e = e1
			}
		}
	}
	return &PathError{"remove", name, e}
}

Example #3

File: symlink_windows.go Project: kristallizer/syncthing

func Read(path string) (string, uint32, error) {
	ptr, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return "", protocol.FlagSymlinkMissingTarget, err
	}
	handle, err := syscall.CreateFile(ptr, 0, syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS|Win32FileFlagOpenReparsePoint, 0)
	if err != nil || handle == syscall.InvalidHandle {
		return "", protocol.FlagSymlinkMissingTarget, err
	}
	defer syscall.Close(handle)
	var ret uint16
	var data reparseData

	r1, _, err := syscall.Syscall9(procDeviceIoControl.Addr(), 8, uintptr(handle), Win32FsctlGetReparsePoint, 0, 0, uintptr(unsafe.Pointer(&data)), unsafe.Sizeof(data), uintptr(unsafe.Pointer(&ret)), 0, 0)
	if r1 == 0 {
		return "", protocol.FlagSymlinkMissingTarget, err
	}

	var flags uint32
	attr, err := syscall.GetFileAttributes(ptr)
	if err != nil {
		flags = protocol.FlagSymlinkMissingTarget
	} else if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
		flags = protocol.FlagDirectory
	}

	return osutil.NormalizedFilename(data.PrintName()), flags, nil
}

Example #4

File: fileattr.go Project: tyochiai/nyagos

func GetFileAttributes(path string) (uint32, error) {
	cpath, cpathErr := syscall.UTF16PtrFromString(path)
	if cpathErr != nil {
		return 0, cpathErr
	}
	return syscall.GetFileAttributes(cpath)
}

Example #5

File: symlink_windows.go Project: ericcapricorn/syncthing

func IsSymlink(path string) (bool, error) {
	ptr, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return false, err
	}

	attr, err := syscall.GetFileAttributes(ptr)
	if err != nil {
		return false, err
	}
	return attr&FILE_ATTRIBUTE_REPARSE_POINT != 0, nil
}

Example #6

File: fsnotify_windows.go Project: BlueSpice/cli

func getDir(pathname string) (dir string, err error) {
	attr, e := syscall.GetFileAttributes(syscall.StringToUTF16Ptr(pathname))
	if e != nil {
		return "", os.NewSyscallError("GetFileAttributes", e)
	}
	if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
		dir = pathname
	} else {
		dir, _ = filepath.Split(pathname)
		dir = filepath.Clean(dir)
	}
	return
}

Example #7

File: tempname_windows.go Project: reelsense/syncthing

func (t tempNamer) Show(path string) error {
	p, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return err
	}

	attrs, err := syscall.GetFileAttributes(p)
	if err != nil {
		return err
	}

	attrs &^= syscall.FILE_ATTRIBUTE_HIDDEN
	return syscall.SetFileAttributes(p, attrs)
}

Example #8

File: hidden_windows.go Project: EvKoh/syncthing

func HideFile(path string) error {
	p, err := syscall.UTF16PtrFromString(path)
	if err != nil {
		return err
	}

	attrs, err := syscall.GetFileAttributes(p)
	if err != nil {
		return err
	}

	attrs |= syscall.FILE_ATTRIBUTE_HIDDEN
	return syscall.SetFileAttributes(p, attrs)
}

Example #9

File: is_hidden_windows.go Project: RichardLitt/pinbot-irc

func IsHidden(f File) bool {

	fName := filepath.Base(f.FileName())

	if strings.HasPrefix(fName, ".") && len(fName) > 1 {
		return true
	}

	p, e := syscall.UTF16PtrFromString(f.FileName())
	if e != nil {
		return false
	}

	attrs, e := syscall.GetFileAttributes(p)
	if e != nil {
		return false
	}
	return attrs&syscall.FILE_ATTRIBUTE_HIDDEN != 0
}

Example #10

File: config_disk_persistor_win.go Project: Reejoshi/cli

func (dp DiskPersistor) makeDirectory() error {
	dir := filepath.Dir(dp.filePath)

	err := os.MkdirAll(dir, dirPermissions)
	if err != nil {
		return err
	}

	p, err := syscall.UTF16PtrFromString(dir)
	if err != nil {
		return err
	}

	attrs, err := syscall.GetFileAttributes(p)
	if err != nil {
		return err
	}

	return syscall.SetFileAttributes(p, attrs|syscall.FILE_ATTRIBUTE_HIDDEN)
}