Struct File

pub struct File {
    fileno: c_int,
    _not_send_sync: PhantomData<*const ()>,
}

Available on riot_module_vfs only.

A file handle

Fields

fileno: c_int

_not_send_sync: PhantomData<*const ()>

Implementations

impl File

pub fn open(path: &str) -> Result<Self, NumericError>

Open a file in read-only mode.

pub fn stat(&self) -> Result<Stat, NumericError>

Obtain metadata of the file.

pub fn read(&mut self, buf: &mut [u8]) -> Result<usize, NumericError>

Read into the given buffer from the current cursor position in the file, and advance the cursor by the read length, which is also returned.

pub fn seek(&mut self, pos: SeekFrom) -> Result<usize, NumericError>

Move the file cursor to the indicated position.

Trait Implementations

impl Debug for File

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

Formats the value using the given formatter.

impl Drop for File

fn drop(&mut self)

Executes the destructor for this type.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes