Struct Cmdline 

pub struct Cmdline { /* private fields */ }

A builder for a kernel command line string that validates the string as its being built. A CString can be constructed from this directly using CString::new.

Implementations

impl Cmdline

pub fn new(capacity: usize) -> Cmdline

Constructs an empty Cmdline with the given capacity, which includes the nul terminator. Capacity must be greater than 0.

pub fn len(&self) -> usize

Returns the length of the command line.

pub fn is_empty(&self) -> bool

Returns whether the command line is empty.

pub fn insert<T: AsRef<str>>(&mut self, key: T, val: T) -> Result<()>

Validates and inserts a key value pair into this command line.

pub fn insert_str<T: AsRef<str>>(&mut self, slug: T) -> Result<()>

Validates and inserts a string to the end of the current command line.

pub fn as_str(&self) -> &str

Returns the cmdline in progress without nul termination.

pub fn as_cstring(&self) -> Result<CString>

Returns the cmdline in progress as CString.

Trait Implementations

impl Clone for Cmdline

fn clone(&self) -> Cmdline

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Cmdline

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

Formats the value using the given formatter.