Method read

perro_source/io_stack/perro_assets/src/archive.rs:214–226

(&mut self, buf: &mut [u8])

        .map_err(|_| io::Error::new(io::ErrorKind::InvalidData, "archive entry too large"))?;
    let end = start
        .checked_add(size)
        .ok_or_else(|| io::Error::new(io::ErrorKind::InvalidData, "archive range overflow"))?;
    if end > data_len {
        return Err(io::Error::new(
            io::ErrorKind::InvalidData,
            "archive entry outside data bounds",
        ));
    }
    Ok(start..end)
}

/// Streaming file handle (for uncompressed files only)
pub struct PerroAssetsFile {
    data: ArchiveBytes,
    size: u64,
    // Validated once at `stream_file`; reads index the cached range instead of