chromium/base/metrics/metrics_hashes.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/metrics/metrics_hashes.h"

#include <string.h>

#include <string_view>

#include "base/check_op.h"
#include "base/containers/span.h"
#include "base/hash/md5.h"
#include "base/hash/sha1.h"
#include "base/numerics/byte_conversions.h"

namespace base {
namespace {

// Converts the 8-byte prefix of an MD5 hash into a uint64_t value.
inline uint64_t DigestToUInt64(const MD5Digest& digest) { … }

// Converts the 4-byte prefix of an MD5 hash into a uint32_t value.
inline uint32_t DigestToUInt32(const MD5Digest& digest) { … }

}  // namespace

uint64_t HashMetricName(std::string_view name) { … }

uint32_t HashMetricNameAs32Bits(std::string_view name) { … }

uint32_t HashFieldTrialName(std::string_view name) { … }

}  // namespace base