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26 lines
709 B
C++
26 lines
709 B
C++
// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_METRICS_CRC32_H_
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#define BASE_METRICS_CRC32_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <array>
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#include "base/base_export.h"
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#include "base/containers/span.h"
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namespace base {
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// This provides a simple, fast CRC-32 calculation that can be used for checking
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// the integrity of data. It is not a "secure" calculation! |sum| can start
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// with any seed or be used to continue an operation began with previous data.
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BASE_EXPORT uint32_t Crc32(uint32_t sum, span<const uint8_t> data);
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} // namespace base
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#endif // BASE_METRICS_CRC32_H_
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