Struct kernel::user_ptr::UserSlicePtrWriter

pub struct UserSlicePtrWriter(_, _);

A writer for UserSlicePtr.

Used to incrementally write into the user slice.

Trait Implementations

impl IoBufferWriter for UserSlicePtrWriter

fn len(&self) -> usize

Returns the number of bytes left to be written into the io buffer.

fn clear(&mut self, len: usize) -> Result

Writes zeroes to the io buffer.

unsafe fn write_raw(&mut self, data: *const u8, len: usize) -> Result

Writes raw data to the io buffer from a raw kernel buffer.

fn is_empty(&self) -> bool

Returns true if the io buffer cannot hold any additional data.

fn write_slice(&mut self, data: &[u8]) -> Result

Writes a byte slice into the io buffer.

fn write<T: WritableToBytes>(&mut self, data: &T) -> Result

Writes the contents of the given data into the io buffer.