INNER CODE UNIT · Rust

read_new_kmsg

KernelSU-Next/KernelSU-Next · userspace/ksuinit/src/lib.rs:118

fn read_new_kmsg(file: &mut File) -> Result<String> {
    let mut output = Vec::new();
    let mut record = [0u8; 8192];

    loop {
        match file.read(&mut record) {
            Ok(0) => break,
            Ok(length) => {
                output.extend_from_slice(&record[..length]);
                output.push(b'\n');
            }
            Err(error) if error.kind() == ErrorKind::WouldBlock => break,
            Err(error) => return Err(error).context("Cannot read /dev/kmsg"),
        }
    }

    Ok(String::from_utf8_lossy(&output).into_owned())
}

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