Struct Cmdline

pub struct Cmdline {
    pub(crate) line: String,
}

A builder for a kernel command line string that validates the string as it is built.

Fields

line: String

Implementations

impl Cmdline

pub fn new() -> Cmdline

Constructs an empty Cmdline.

pub(crate) fn push_space_if_needed(&mut self)

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_str_with_max_len(&self, max_len: usize) -> Result<&str>

Returns the current command line as a string with a maximum length.

Arguments

max_len: maximum number of bytes (not including NUL terminator)

pub fn into_bytes_with_max_len(self, max_len: usize) -> Result<Vec<u8>>

Converts the command line into a Vec<u8> with a maximum length.

Arguments

max_len: maximum number of bytes (not including NUL terminator)

Trait Implementations

impl Default for Cmdline

fn default() -> Cmdline

Returns the “default value” for a type.