34 lines
607 B
Rust
34 lines
607 B
Rust
|
//! An implementation of `ByteBuf` based on a plain `Vec`.
|
||
|
|
|
||
|
|
use alloc::prelude::v1::*;
|
||
|
|
|
||
|
|
pub struct ByteBuf {
|
||
|
|
buf: Vec<u8>,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl ByteBuf {
|
||
|
|
pub fn new(len: usize) -> Self {
|
||
|
|
let mut buf = Vec::new();
|
||
|
|
buf.resize(len, 0u8);
|
||
|
|
Self {
|
||
|
|
buf,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn realloc(&mut self, new_len: usize) {
|
||
|
|
self.buf.resize(new_len, 0u8);
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn len(&self) -> usize {
|
||
|
|
self.buf.len()
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn as_slice(&self) -> &[u8] {
|
||
|
|
self.buf.as_ref()
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn as_slice_mut(&mut self) -> &mut [u8] {
|
||
|
|
self.buf.as_mut()
|
||
|
|
}
|
||
|
|
}
|