pub trait Header {
fn header_bytes(&self) -> Result<&[u8]>;
}
impl Header for &[u8] {
fn header_bytes(&self) -> Result<&[u8]> {
match self.iter().position(|&b| b == b'\r') {
Some(n) => {
if n > crate::HEADER_MAX_LEN {
bail!("Header bytes length reached")
}
if self.get(n + 1).is_some_and(|&b| b == b'\n') {
Ok(&self[..n])
} else {
bail!("LF byte not found")
}
}
None => bail!("CR byte not found"),
}
}
}
use anyhow::{bail, Result};