1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
18 pub fn get_box_size(body_size: uint, body_align: uint) -> uint {
19 let header_size = mem::size_of::<raw::Box<()>>();
20 let total_size = align_to(header_size, body_align) + body_size;
24 // Rounds size to the next alignment. Alignment is required to be a power of
27 fn align_to(size: uint, align: uint) -> uint {
29 (size + align - 1) & !(align - 1)