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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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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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#include "base/base_export.h"
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#include "base/basictypes.h"
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#include "base/logging.h"
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// WARNING: This hash function should not be used for any cryptographic purpose.
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BASE_EXPORT uint32 SuperFastHash(const char* data, int len);
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// Computes a hash of a memory buffer |data| of a given |length|.
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// WARNING: This hash function should not be used for any cryptographic purpose.
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inline uint32 Hash(const char* data, size_t length) {
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if (length > static_cast<size_t>(std::numeric_limits<int>::max())) {
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return SuperFastHash(data, static_cast<int>(length));
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// Computes a hash of a string |str|.
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// WARNING: This hash function should not be used for any cryptographic purpose.
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inline uint32 Hash(const std::string& str) {
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return Hash(str.data(), str.size());
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#endif // BASE_HASH_H_