| /* Copyright 2013 Google Inc. All Rights Reserved. |
| |
| Distributed under MIT license. |
| See file LICENSE for detail or copy at https://opensource.org/licenses/MIT |
| */ |
| |
| /* Helper for rounding */ |
| |
| #ifndef WOFF2_ROUND_H_ |
| #define WOFF2_ROUND_H_ |
| |
| #include <limits> |
| |
| namespace woff2 { |
| |
| // Round a value up to the nearest multiple of 4. Don't round the value in the |
| // case that rounding up overflows. |
| template<typename T> T Round4(T value) { |
| if (std::numeric_limits<T>::max() - value < 3) { |
| return value; |
| } |
| return (value + 3) & ~3; |
| } |
| |
| } // namespace woff2 |
| |
| #endif // WOFF2_ROUND_H_ |
