fn read()

in mp4parse_capi/src/lib.rs [443:459]

17 lines of code
3 McCabe index (conditional complexity)


    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
        if buf.len() > isize::MAX as usize {
            return Err(std::io::Error::new(
                std::io::ErrorKind::Other,
                "buf length overflow in Mp4parseIo Read impl",
            ));
        }
        let rv = self.read.unwrap()(buf.as_mut_ptr(), buf.len(), self.userdata);
        if rv >= 0 {
            Ok(rv as usize)
        } else {
            Err(std::io::Error::new(
                std::io::ErrorKind::Other,
                "I/O error in Mp4parseIo Read impl",
            ))
        }
    }