Method read

crates/stdlib/src/openssl.rs:2357–2376

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

    impl Read for BioStream {
        fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
            // Read from incoming MemoryBIO
            unsafe {
                let nbytes = sys::BIO_read(
                    self.inbio.bio,
                    buf.as_mut_ptr() as *mut _,
                    buf.len().min(i32::MAX as usize) as i32,
                );
                if nbytes < 0 {
                    // BIO_read returns -1 on error or when no data is available
                    // Check if it's a retry condition (WANT_READ)
                    Err(std::io::Error::new(
                        std::io::ErrorKind::WouldBlock,
                        "BIO has no data available",
                    ))
                } else {
                    Ok(nbytes as usize)
                }
            }
        }
    }

    impl Write for BioStream {