simply_fuse/
error.rs

1use thiserror::Error;
2
3pub type Result<T, E = Error> = std::result::Result<T, E>;
4pub type FSResult<T, E = FSError> = Result<T, E>;
5
6#[derive(Error, Debug)]
7pub enum PolyfuseError {
8    #[error(transparent)]
9    DecodeError(#[from] polyfuse::op::DecodeError),
10
11    #[error("error occured while calling Request::reply_err")]
12    ReplyErrError(std::io::Error),
13
14    #[error("error occured while calling Request::reply")]
15    ReplyError(std::io::Error),
16}
17
18#[derive(Error, Debug)]
19pub enum Error {
20    #[error(transparent)]
21    PolyfuseError(#[from] PolyfuseError),
22
23    #[error(transparent)]
24    IoError(#[from] std::io::Error),
25}
26
27/// This type represents an error that occured in the filesystem struct itself.
28#[derive(Error, Debug)]
29pub enum FSError {
30    #[error("No such file or directory exists")]
31    NoEntry,
32
33    #[error("Not a file")]
34    NotFile,
35
36    #[error("Not a directory")]
37    NotDirectory,
38
39    #[error("Function not implemented")]
40    NotImplemented,
41
42    #[error("Invalid flags passed")]
43    InvalidFlags(u32),
44
45    #[error("Buffer would overflow")]
46    BufferWouldOverflow,
47}
48
49impl FSError {
50    pub const fn to_libc_error(self) -> i32 {
51        match self {
52            Self::NoEntry => libc::ENOENT,
53            Self::NotFile => libc::EINVAL, // TODO is this the proper error to return?
54            Self::NotDirectory => libc::ENOTDIR,
55            Self::NotImplemented => libc::ENOSYS,
56            Self::InvalidFlags(_) => libc::EINVAL,
57            Self::BufferWouldOverflow => libc::ERANGE,
58        }
59    }
60}
simply_fuse/error.rs

simply_fuse/
error.rs
