30 lines
951 B
Rust
30 lines
951 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![doc(hidden)]
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use core::mem;
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use core::raw;
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#[inline]
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#[deprecated]
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pub fn get_box_size(body_size: uint, body_align: uint) -> uint {
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let header_size = mem::size_of::<raw::Box<()>>();
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let total_size = align_to(header_size, body_align) + body_size;
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total_size
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}
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// Rounds size to the next alignment. Alignment is required to be a power of
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// two.
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#[inline]
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fn align_to(size: uint, align: uint) -> uint {
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assert!(align != 0);
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(size + align - 1) & !(align - 1)
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}
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