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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /modules/woff2/src/round.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/woff2/src/round.h')
-rw-r--r-- | modules/woff2/src/round.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/modules/woff2/src/round.h b/modules/woff2/src/round.h new file mode 100644 index 0000000000..e5b2cb1220 --- /dev/null +++ b/modules/woff2/src/round.h @@ -0,0 +1,27 @@ +/* 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_ |