| // Copyright (c) 2006-2008 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. |
| |
| #ifndef NET_DISK_CACHE_HASH_H__ |
| #define NET_DISK_CACHE_HASH_H__ |
| #pragma once |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| |
| namespace disk_cache { |
| |
| // From http://www.azillionmonkeys.com/qed/hash.html |
| // This is the hash used on WebCore/platform/stringhash |
| 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 disk_cache |
| |
| #endif // NET_DISK_CACHE_HASH_H__ |
