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Side by Side Diff: tools/ipc_fuzzer/fuzzer/rand_util.h

Issue 1549203002: Switch to standard integer types in tools/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_ 5 #ifndef TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_
6 #define TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_ 6 #define TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_
7 7
8 #include "base/basictypes.h" 8 #include <stddef.h>
9 #include <stdint.h>
10
9 #include "third_party/mt19937ar/mt19937ar.h" 11 #include "third_party/mt19937ar/mt19937ar.h"
10 12
11 namespace ipc_fuzzer { 13 namespace ipc_fuzzer {
12 14
13 extern MersenneTwister* g_mersenne_twister; 15 extern MersenneTwister* g_mersenne_twister;
14 16
15 void InitRand(); 17 void InitRand();
16 18
17 inline uint32 RandU32() { 19 inline uint32_t RandU32() {
18 return g_mersenne_twister->genrand_int32(); 20 return g_mersenne_twister->genrand_int32();
19 } 21 }
20 22
21 inline uint64 RandU64() { 23 inline uint64_t RandU64() {
22 return (static_cast<uint64>(RandU32()) << 32) | RandU32(); 24 return (static_cast<uint64_t>(RandU32()) << 32) | RandU32();
23 } 25 }
24 26
25 inline double RandDouble() { 27 inline double RandDouble() {
26 uint64 rand_u64 = RandU64(); 28 uint64_t rand_u64 = RandU64();
27 return *reinterpret_cast<double*>(&rand_u64); 29 return *reinterpret_cast<double*>(&rand_u64);
28 } 30 }
29 31
30 inline uint32 RandInRange(uint32 range) { 32 inline uint32_t RandInRange(uint32_t range) {
31 return RandU32() % range; 33 return RandU32() % range;
32 } 34 }
33 35
34 inline bool RandEvent(uint32 frequency) { 36 inline bool RandEvent(uint32_t frequency) {
35 return RandInRange(frequency) == 0; 37 return RandInRange(frequency) == 0;
36 } 38 }
37 39
38 inline size_t RandElementCount() { 40 inline size_t RandElementCount() {
39 return RandU32() % 10; 41 return RandU32() % 10;
40 } 42 }
41 43
42 } // namespace ipc_fuzzer 44 } // namespace ipc_fuzzer
43 45
44 #endif // TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_ 46 #endif // TOOLS_IPC_FUZZER_MUTATE_RAND_UTIL_H_
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