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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /ipc/chromium/src/base/rand_util.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ipc/chromium/src/base/rand_util.cc')
-rw-r--r-- | ipc/chromium/src/base/rand_util.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/rand_util.cc b/ipc/chromium/src/base/rand_util.cc new file mode 100644 index 0000000000..bf14baa5d4 --- /dev/null +++ b/ipc/chromium/src/base/rand_util.cc @@ -0,0 +1,30 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2008 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/rand_util.h" + +#include <math.h> + +#include <limits> + +#include "base/basictypes.h" +#include "base/logging.h" +#include "mozilla/RandomNum.h" + +namespace base { + +int RandInt(int min, int max) { + DCHECK(min <= max); + + uint64_t range = static_cast<int64_t>(max) - min + 1; + mozilla::Maybe<uint64_t> number = mozilla::RandomUint64(); + MOZ_RELEASE_ASSERT(number.isSome()); + int result = min + static_cast<int>(number.value() % range); + DCHECK(result >= min && result <= max); + return result; +} + +} // namespace base |