Function buffer_to_ptr_len

crates/stdlib/src/_sqlite3.rs:3456–3464

(buffer: &PyBuffer, vm: &VirtualMachine)

    }

    fn buffer_to_ptr_len(buffer: &PyBuffer, vm: &VirtualMachine) -> PyResult<(*const c_void, i32)> {
        let bytes = buffer
            .as_contiguous()
            .ok_or_else(|| vm.new_buffer_error("underlying buffer is not C-contiguous"))?;
        let len = c_int::try_from(bytes.len())
            .map_err(|_| vm.new_overflow_error("BLOB longer than INT_MAX bytes"))?;
        let ptr = bytes.as_ptr().cast();
        Ok((ptr, len))
    }

    fn exception_type_from_errcode(errcode: c_int, vm: &VirtualMachine) -> &'static Py<PyType> {
        match errcode {