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// Copyright (c) 2011 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.
#ifndef BASE_HASH_H_
#define BASE_HASH_H_
#include <string>
#include "base/base_export.h"
#include "base/basictypes.h"
namespace base {
// From http://www.azillionmonkeys.com/qed/hash.html
// This is the hash used on WebCore/platform/stringhash
BASE_EXPORT uint32 SuperFastHash(const char * data, int len);
inline uint32 Hash(const char* key, size_t length) {
return SuperFastHash(key, static_cast<int>(length));
}
inline uint32 Hash(const std::string& key) {
if (key.empty())
return 0;
return SuperFastHash(key.data(), static_cast<int>(key.size()));
}
} // namespace base
#endif // BASE_HASH_H_
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