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/* 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_
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