Enum Error 

#[repr(C)]
pub enum Error {
    FailedToInitializeFileSystem = 1,
    PermissionDenied = 2,
    NotFound = 3,
    AlreadyExists = 4,
    DirectoryAlreadyExists = 5,
    FileSystemFull = 6,
    FileSystemError = 7,
    InvalidPath = 8,
    InvalidFile = 9,
    InvalidDirectory = 10,
    InvalidSymbolicLink = 11,
    Unknown = 12,
    InvalidIdentifier = 13,
    FailedToGetTaskInformations = 14,
    FailedToGetUsersInformations = 15,
    TooManyMountedFileSystems = 16,
    TooManyOpenFiles = 17,
    InternalError = 18,
    InvalidMode = 19,
    UnsupportedOperation = 20,
    RessourceBusy = 21,
    AlreadyInitialized = 22,
    NotInitialized = 23,
    FailedToGetUsersManagerInstance = 24,
    FailedToGetTaskManagerInstance = 25,
    InvalidParameter = 26,
    InvalidFlags = 27,
    NotDirectory = 28,
    IsDirectory = 29,
    InputOutput = 30,
    DirectoryNotEmpty = 31,
    FileTooLarge = 32,
    NoAttribute = 33,
    NameTooLong = 34,
    Corrupted = 35,
    NoMemory = 36,
    NoSpaceLeft = 37,
    TimeError = 38,
    InvalidInode = 39,
    NotMounted = 40,
    AlreadyMounted = 41,
    InvalidContext = 42,
    Other = 43,
}

Comprehensive enumeration of all possible file system errors.

This enum covers errors that can occur at various levels of the file system stack, from low-level device operations to high-level file system operations. Each variant has a unique numeric discriminant for FFI compatibility.

Variants

FailedToInitializeFileSystem = 1

Failed to initialize the file system.

PermissionDenied = 2

Permission denied for the requested operation.

NotFound = 3

File, directory, or resource not found.

AlreadyExists = 4

File or directory already exists.

DirectoryAlreadyExists = 5

Directory already exists (more specific than Already_exists).

FileSystemFull = 6

File system is full and cannot store more data.

FileSystemError = 7

Generic file system error.

InvalidPath = 8

The provided path is invalid or malformed.

InvalidFile = 9

The file is corrupted or invalid.

InvalidDirectory = 10

The directory is corrupted or invalid.

InvalidSymbolicLink = 11

The symbolic link is invalid or broken.

Unknown = 12

Unknown or unspecified error.

InvalidIdentifier = 13

File or task identifier is invalid.

FailedToGetTaskInformations = 14

Failed to retrieve task information from task manager.

FailedToGetUsersInformations = 15

Failed to retrieve user information from user manager.

TooManyMountedFileSystems = 16

Maximum number of mounted file systems exceeded.

TooManyOpenFiles = 17

Maximum number of open files exceeded.

InternalError = 18

Internal implementation error.

InvalidMode = 19

Invalid access mode specified.

UnsupportedOperation = 20

Operation is not supported by the device or file system.

RessourceBusy = 21

Resource is temporarily busy or unavailable.

AlreadyInitialized = 22

System or component is already initialized.

NotInitialized = 23

System or component is not initialized.

FailedToGetUsersManagerInstance = 24

Failed to get users manager instance.

FailedToGetTaskManagerInstance = 25

Failed to get task manager instance.

InvalidParameter = 26

Invalid parameter provided to function.

InvalidFlags = 27

Invalid flags specified for operation.

NotDirectory = 28

Expected a directory but found a file.

IsDirectory = 29

Expected a file but found a directory.

InputOutput = 30

Input/output error during operation.

DirectoryNotEmpty = 31

Directory is not empty and cannot be removed.

FileTooLarge = 32

File size exceeds maximum allowed size.

NoAttribute = 33

Requested attribute does not exist.

NameTooLong = 34

File or directory name is too long.

Corrupted = 35

Data corruption detected.

NoMemory = 36

Insufficient memory for operation.

NoSpaceLeft = 37

No space left on device.

TimeError = 38

Error in timestamp or time-related operation.

InvalidInode = 39

Invalid inode reference.

NotMounted = 40

Not mounted.

AlreadyMounted = 41

Already mounted.

InvalidContext = 42

Invalid context

Other = 43

Other unclassified error.

Implementations

impl Error

pub fn get_discriminant(&self) -> NonZeroU32

Get the numeric discriminant of the error as a non-zero u32.

This is useful for FFI operations where errors need to be represented as numeric codes.

Returns

A NonZeroU32 containing the error’s discriminant value.

Examples

use file_system::Error;

let error = Error::PermissionDenied;
let code = error.get_discriminant();
assert_eq!(code.get(), 2); // Permission_denied has discriminant 2

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Error

impl Debug for Error

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Error

Display implementation for user-friendly error messages.

Provides human-readable descriptions of all error variants.

fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Error

impl Error for Error

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl Error for Error

fn kind(&self) -> ErrorKind

Get the kind of this error.

impl From<Error> for Error

Convert Task module errors to file system errors.

This allows transparent handling of task-related errors in file system operations.

fn from(_: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

Convert Users module errors to file system errors.

This allows transparent handling of user-related errors in file system operations.

fn from(_: Error) -> Self

Converts to this type from the input type.

impl From<Error> for NonZeroU32

Convert file system errors to numeric discriminants.

This conversion is useful for FFI where errors need to be represented as numbers.

fn from(error: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(value: Error) -> Self

Converts to this type from the input type.

impl PartialEq for Error

fn eq(&self, other: &Error) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Error