fstool 0.4.33

Build disk images and filesystems (ext2/3/4, MBR, GPT) from a directory tree and TOML spec, in the spirit of genext2fs.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

//! [`Volume`] for [`exfat::Volume`](crate::fs::exfat::Volume).

use super::fat::meta;
use super::{Entry, ErrorKind, FsType, Metadata, Volume, VolumeDirIter, VolumeError, VolumeFile};
use crate::device::SectorDriver;
use crate::fs::exfat::{Dir, DirIter, Error, File, Volume as Exfat};

impl<E> VolumeError for Error<E> {
    fn kind(&self) -> ErrorKind {
        match self {
            Error::Io(_) => ErrorKind::Io,
            Error::NotExfat => ErrorKind::NotRecognised,
            Error::UnsupportedVersion { .. } | Error::Unsupported(_) => ErrorKind::Unsupported,
            Error::SectorSizeMismatch { .. }
            | Error::ScratchTooSmall { .. }
            | Error::VolumeExceedsDevice
            | Error::NoSuchPartition => ErrorKind::Geometry,
            Error::BadGeometry | Error::CorruptChain | Error::CorruptEntry => ErrorKind::Corrupt,
            Error::NoAllocationBitmap => ErrorKind::ReadOnly,
            Error::NotFound => ErrorKind::NotFound,
            Error::NotADirectory => ErrorKind::NotADirectory,
            Error::IsADirectory => ErrorKind::IsADirectory,
            Error::AlreadyExists => ErrorKind::AlreadyExists,
            Error::DirectoryNotEmpty => ErrorKind::DirectoryNotEmpty,
            Error::InvalidName => ErrorKind::InvalidName,
            Error::InvalidPath => ErrorKind::InvalidPath,
            Error::DirectoryFull => ErrorKind::DirectoryFull,
            Error::NoSpace => ErrorKind::NoSpace,
            Error::FileTooLarge => ErrorKind::FileTooLarge,
            Error::InvalidOffset => ErrorKind::InvalidOffset,
        }
    }
}

impl<D: SectorDriver, const S: usize> Volume for Exfat<D, S> {
    type Error = Error<D::Error>;
    type Device = D;
    type File = File;
    type Dir = Dir;
    type DirIter<'a>
        = ExfatDirIter<'a, D, S>
    where
        Self: 'a;

    fn fs_type(&self) -> FsType {
        FsType::Exfat
    }
    fn root(&self) -> Dir {
        Exfat::root(self)
    }
    fn open_dir(&mut self, path: &str) -> Result<Dir, Self::Error> {
        Exfat::open_dir(self, path)
    }
    fn iter_dir(&mut self, dir: Dir) -> Self::DirIter<'_> {
        ExfatDirIter(Exfat::iter_dir(self, dir))
    }
    fn metadata(&mut self, path: &str) -> Result<Metadata, Self::Error> {
        Exfat::metadata(self, path).map(|m| meta(m.is_dir(), m.len()))
    }
    fn exists(&mut self, path: &str) -> Result<bool, Self::Error> {
        Exfat::exists(self, path)
    }
    fn create_dir(&mut self, path: &str) -> Result<Dir, Self::Error> {
        Exfat::create_dir(self, path)
    }
    fn remove_dir(&mut self, path: &str) -> Result<(), Self::Error> {
        Exfat::remove_dir(self, path)
    }
    fn remove_file(&mut self, path: &str) -> Result<(), Self::Error> {
        Exfat::remove_file(self, path)
    }
    fn open_file(&mut self, path: &str) -> Result<File, Self::Error> {
        Exfat::open_file(self, path)
    }
    fn create_file(&mut self, path: &str) -> Result<File, Self::Error> {
        Exfat::create_file(self, path)
    }
    fn open_or_create_file(&mut self, path: &str) -> Result<File, Self::Error> {
        Exfat::open_or_create_file(self, path)
    }
    fn flush(&mut self) -> Result<(), Self::Error> {
        Exfat::flush(self)
    }
    fn total_bytes(&self) -> u64 {
        Exfat::total_bytes(self)
    }
    fn free_bytes(&mut self) -> Result<u64, Self::Error> {
        Exfat::free_bytes(self)
    }
    fn statfs(&mut self) -> Result<crate::fs::StatFs, Self::Error> {
        Exfat::statfs(self)
    }
    fn unmount(self) -> Result<D, Self::Error> {
        Exfat::unmount(self)
    }
}

impl<D: SectorDriver, const S: usize> VolumeFile<Exfat<D, S>> for File {
    fn len(&self) -> u64 {
        File::len(self)
    }
    fn pos(&self) -> u64 {
        File::pos(self)
    }
    fn seek(&mut self, _vol: &mut Exfat<D, S>, pos: u64) -> Result<(), Error<D::Error>> {
        File::seek(self, pos);
        Ok(())
    }
    fn read(&mut self, vol: &mut Exfat<D, S>, buf: &mut [u8]) -> Result<usize, Error<D::Error>> {
        File::read(self, vol, buf)
    }
    fn read_exact(&mut self, vol: &mut Exfat<D, S>, buf: &mut [u8]) -> Result<(), Error<D::Error>> {
        File::read_exact(self, vol, buf)
    }
    fn write(&mut self, vol: &mut Exfat<D, S>, buf: &[u8]) -> Result<usize, Error<D::Error>> {
        File::write(self, vol, buf)
    }
    fn write_all(&mut self, vol: &mut Exfat<D, S>, buf: &[u8]) -> Result<(), Error<D::Error>> {
        File::write_all(self, vol, buf)
    }
    fn set_len(&mut self, vol: &mut Exfat<D, S>, len: u64) -> Result<(), Error<D::Error>> {
        File::set_len(self, vol, len)
    }
    fn flush(&mut self, vol: &mut Exfat<D, S>) -> Result<(), Error<D::Error>> {
        File::flush(self, vol)
    }
}

/// An exFAT listing.
pub struct ExfatDirIter<'a, D: SectorDriver, const S: usize>(DirIter<'a, D, S>);

impl<D: SectorDriver, const S: usize> VolumeDirIter for ExfatDirIter<'_, D, S> {
    type Error = Error<D::Error>;

    fn next(&mut self) -> Result<Option<Entry<'_>>, Self::Error> {
        Ok(self
            .0
            .next()?
            .map(|e| Entry::new(e.name().as_bytes(), meta(e.is_dir(), e.len()))))
    }
}