21 MutationDispatcher::MutationDispatcher(Random &Rand,  in MutationDispatcher()  argument
23     : Rand(Rand), Options(Options) {  in MutationDispatcher()
52 static char FlipRandomBit(char X, Random &Rand) {  in FlipRandomBit()  argument
53   int Bit = Rand(8);  in FlipRandomBit()
64 static char RandCh(Random &Rand) {  in RandCh()  argument
65   if (Rand.RandBool()) return Rand(256);  in RandCh()
67   return Special[Rand(sizeof(Special) - 1)];  in RandCh()
72   return EF->LLVMFuzzerCustomMutator(Data, Size, MaxSize, Rand.Rand());  in Mutate_Custom()
79   size_t Idx = Rand(Corpus->size());  in Mutate_CustomCrossOver()
86       Data, Size, Other.data(), Other.size(), U.data(), U.size(), Rand.Rand());  in Mutate_CustomCrossOver()
98       Rand(std::min(Size, (size_t)8)) + 1; // [1,8] and <= Size.  in Mutate_ShuffleBytes()
99   size_t ShuffleStart = Rand(Size - ShuffleAmount);  in Mutate_ShuffleBytes()
102                       Rand);  in Mutate_ShuffleBytes()
110   size_t Idx = Rand(Size);  in Mutate_EraseByte()
119   size_t Idx = Rand(Size + 1);  in Mutate_InsertByte()
122   Data[Idx] = RandCh(Rand);  in Mutate_InsertByte()
128   size_t Idx = Rand(Size);  in Mutate_ChangeByte()
129   Data[Idx] = RandCh(Rand);  in Mutate_ChangeByte()
135   size_t Idx = Rand(Size);  in Mutate_ChangeBit()
136   Data[Idx] = FlipRandomBit(Data[Idx], Rand);  in Mutate_ChangeBit()
159   DictionaryEntry &DE = D[Rand(D.size())];  in AddWordFromDictionary()
162                          DE.GetPositionHint() + W.size() < Size && Rand.RandBool();  in AddWordFromDictionary()
163   if (Rand.RandBool()) {  // Insert W.  in AddWordFromDictionary()
165     size_t Idx = UsePositionHint ? DE.GetPositionHint() : Rand(Size + 1);  in AddWordFromDictionary()
171     size_t Idx = UsePositionHint ? DE.GetPositionHint() : Rand(Size - W.size());  in AddWordFromDictionary()
181   size_t B = Rand(Size);  in Mutate_ChangeASCIIInteger()
194   switch(Rand(5)) {  in Mutate_ChangeASCIIInteger()
199     case 4: Val = Rand(Val * Val); break;  in Mutate_ChangeASCIIInteger()
215   size_t Idx = Rand(Corpus->size());  in Mutate_CrossOver()
289       Data[i] = RandCh(Rand);  in MutateImpl()
299     auto M = Mutators[Rand(Mutators.size())];  in MutateImpl()