Struct winsafe::MappedFile

pub struct MappedFile { /* fields omitted */ }

Manages a memory-mapped file, which can be read/written through slices.

Implementations

impl MappedFile

pub fn open(file_path: &str, access: MappedFileAccess) -> WinResult<MappedFile>

Opens a file and maps it in memory according to the given permissions.

pub fn size(&self) -> usize

Returns the size of the file. This value is cached.

pub fn as_slice(&self) -> &[u8]

Returns a slice to the mapped memory.

pub fn as_mut_slice(&mut self) -> &mut [u8]

Returns a mutable slice to the mapped memory.

pub fn resize(&mut self, num_bytes: usize) -> WinResult<()>

Resizes the file, which will be remapped in memory. All slices must be recreated.

Trait Implementations

impl Drop for MappedFile

fn drop(&mut self)

Executes the destructor for this type.