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Side by Side Diff: base/rand_util.h

Issue 7461141: Rename BASE_API to BASE_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_RAND_UTIL_H_ 5 #ifndef BASE_RAND_UTIL_H_
6 #define BASE_RAND_UTIL_H_ 6 #define BASE_RAND_UTIL_H_
7 #pragma once 7 #pragma once
8 8
9 #include <string> 9 #include <string>
10 10
11 #include "base/base_api.h" 11 #include "base/base_export.h"
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 13
14 namespace base { 14 namespace base {
15 15
16 // Returns a random number in range [0, kuint64max]. Thread-safe. 16 // Returns a random number in range [0, kuint64max]. Thread-safe.
17 BASE_API uint64 RandUint64(); 17 BASE_EXPORT uint64 RandUint64();
18 18
19 // Returns a random number between min and max (inclusive). Thread-safe. 19 // Returns a random number between min and max (inclusive). Thread-safe.
20 BASE_API int RandInt(int min, int max); 20 BASE_EXPORT int RandInt(int min, int max);
21 21
22 // Returns a random number in range [0, max). Thread-safe. 22 // Returns a random number in range [0, max). Thread-safe.
23 // 23 //
24 // Note that this can be used as an adapter for std::random_shuffle(): 24 // Note that this can be used as an adapter for std::random_shuffle():
25 // Given a pre-populated |std::vector<int> myvector|, shuffle it as 25 // Given a pre-populated |std::vector<int> myvector|, shuffle it as
26 // std::random_shuffle(myvector.begin(), myvector.end(), base::RandGenerator); 26 // std::random_shuffle(myvector.begin(), myvector.end(), base::RandGenerator);
27 BASE_API uint64 RandGenerator(uint64 max); 27 BASE_EXPORT uint64 RandGenerator(uint64 max);
28 28
29 // Returns a random double in range [0, 1). Thread-safe. 29 // Returns a random double in range [0, 1). Thread-safe.
30 BASE_API double RandDouble(); 30 BASE_EXPORT double RandDouble();
31 31
32 // Given input |bits|, convert with maximum precision to a double in 32 // Given input |bits|, convert with maximum precision to a double in
33 // the range [0, 1). Thread-safe. 33 // the range [0, 1). Thread-safe.
34 BASE_API double BitsToOpenEndedUnitInterval(uint64 bits); 34 BASE_EXPORT double BitsToOpenEndedUnitInterval(uint64 bits);
35 35
36 // Fills |output_length| bytes of |output| with cryptographically strong random 36 // Fills |output_length| bytes of |output| with cryptographically strong random
37 // data. 37 // data.
38 BASE_API void RandBytes(void* output, size_t output_length); 38 BASE_EXPORT void RandBytes(void* output, size_t output_length);
39 39
40 // Fills a string of length |length| with with cryptographically strong random 40 // Fills a string of length |length| with with cryptographically strong random
41 // data and returns it. 41 // data and returns it.
42 // 42 //
43 // Not that this is a variation of |RandBytes| with a different return type. 43 // Not that this is a variation of |RandBytes| with a different return type.
44 BASE_API std::string RandBytesAsString(size_t length); 44 BASE_EXPORT std::string RandBytesAsString(size_t length);
45 45
46 } // namespace base 46 } // namespace base
47 47
48 #endif // BASE_RAND_UTIL_H_ 48 #endif // BASE_RAND_UTIL_H_
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