| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include "lib/fxl/logging.h" |
| |
| namespace escher { |
| |
| // If |position| is already aligned to |alignment|, return it. Otherwise, |
| // return the next-larger value that is so aligned. If |alignment| is zero, |
| // |position| is always considered to be aligned. |
| inline size_t AlignedToNext(size_t position, size_t alignment) { |
| if (alignment && position % alignment) { |
| size_t result = position + (alignment - position % alignment); |
| // TODO: remove DCHECK and add unit test. |
| FXL_DCHECK(result % alignment == 0); |
| return result; |
| } |
| return position; |
| } |
| |
| } // namespace escher |
