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Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef BASE_HASH_H_
6 #define BASE_HASH_H_
7
8 #include <limits>
9 #include <string>
10
11 #include "base/base_export.h"
12 #include "base/basictypes.h"
13 #include "base/logging.h"
14
15 namespace base {
16
17 // WARNING: This hash function should not be used for any cryptographic purpose.
18 BASE_EXPORT uint32 SuperFastHash(const char* data, int len);
19
20 // Computes a hash of a memory buffer |data| of a given |length|.
21 // WARNING: This hash function should not be used for any cryptographic purpose.
22 inline uint32 Hash(const char* data, size_t length) {
23 if (length > static_cast<size_t>(std::numeric_limits<int>::max())) {
24 NOTREACHED();
25 return 0;
26 }
27 return SuperFastHash(data, static_cast<int>(length));
28 }
29
30 // Computes a hash of a string |str|.
31 // WARNING: This hash function should not be used for any cryptographic purpose.
32 inline uint32 Hash(const std::string& str) {
33 return Hash(str.data(), str.size());
34 }
35
36 } // namespace base
37
38 #endif // BASE_HASH_H_
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