| 1 | //go:build !linux |
| 2 | |
| 3 | package instancefs |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | "os" |
| 8 | ) |
| 9 | |
| 10 | func OpenBeneath(dir, name string, flag int, perm os.FileMode) (*os.File, error) { |
| 11 | if _, err := cleanRel(name); err != nil { |
| 12 | return nil, err |
| 13 | } |
| 14 | return nil, errors.ErrUnsupported |
| 15 | } |
| 16 | |
| 17 | func OpenBeneathOrAbsent(dir, name string) (*os.File, bool, error) { |
| 18 | if _, err := cleanRel(name); err != nil { |
| 19 | return nil, false, err |
| 20 | } |
| 21 | return nil, false, errors.ErrUnsupported |
| 22 | } |
| 23 | |
| 24 | func OpenDirBeneath(dir, name string) (*os.File, error) { |
| 25 | if _, err := cleanRel(name); err != nil { |
| 26 | return nil, err |
| 27 | } |
| 28 | return nil, errors.ErrUnsupported |
| 29 | } |
| 30 | |
| 31 | func OpenRootBeneath(dir, name string) (*os.Root, error) { |
| 32 | if _, err := cleanRel(name); err != nil { |
| 33 | return nil, err |
| 34 | } |
| 35 | return nil, errors.ErrUnsupported |
| 36 | } |
| 37 | |
| 38 | func WriteAtomic(dir, name string, data []byte, perm os.FileMode) error { |
| 39 | if _, err := cleanRel(name); err != nil { |
| 40 | return err |
| 41 | } |
| 42 | return errors.ErrUnsupported |
| 43 | } |
| 44 | |
| 45 | func SelfCheck(dir string) error { return errors.ErrUnsupported } |
| 46 | |
| 47 | func MountOptionOf(mountpoint, opt string) (bool, error) { return false, errors.ErrUnsupported } |
| 48 | |
| 49 | func MountNoSymfollow(mountpoint string) (bool, error) { |
| 50 | return MountOptionOf(mountpoint, "nosymfollow") |
| 51 | } |
| 52 | |
| 53 | func mountinfoLineHas(line, mountpoint, option string) bool { return false } |
| 54 | |
| 55 | func EnsureDirBeneath(dir, name string, perm os.FileMode) (DirStat, error) { |
| 56 | if err := bareName(name); err != nil { |
| 57 | return DirStat{}, err |
| 58 | } |
| 59 | return DirStat{}, errors.ErrUnsupported |
| 60 | } |
| 61 | |
| 62 | func StatDir(dir string) (DirStat, error) { return DirStat{}, errors.ErrUnsupported } |
| 63 | |
| 64 | func RenameBetween(srcDir, srcName, dstDir, dstName string) error { |
| 65 | if err := bareName(srcName); err != nil { |
| 66 | return err |
| 67 | } |
| 68 | if err := bareName(dstName); err != nil { |
| 69 | return err |
| 70 | } |
| 71 | return errors.ErrUnsupported |
| 72 | } |
| 73 | |
| 74 | func RenameBetweenNoReplace(srcDir, srcName, dstDir, dstName string) error { |
| 75 | return RenameBetween(srcDir, srcName, dstDir, dstName) |
| 76 | } |
| 77 | |
| 78 | func RemoveBeneath(dir, name string) error { |
| 79 | if err := bareName(name); err != nil { |
| 80 | return err |
| 81 | } |
| 82 | return errors.ErrUnsupported |
| 83 | } |
| 84 | |
| 85 | func RemoveAllBeneath(dir, name string) error { |
| 86 | if err := bareName(name); err != nil { |
| 87 | return err |
| 88 | } |
| 89 | return errors.ErrUnsupported |
| 90 | } |
| 91 | |
amadan