llvm-project/llvm/lib/Fuzzer/FuzzerInterface.cpp

44 lines
1.4 KiB
C++

//===- FuzzerInterface.cpp - Mutate a test input --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Parts of public interface for libFuzzer.
//===----------------------------------------------------------------------===//
#include "FuzzerInterface.h"
#include "FuzzerInternal.h"
namespace fuzzer {
void FuzzerRandomLibc::ResetSeed(int seed) { srand(seed); }
size_t FuzzerRandomLibc::Rand() { return rand(); }
UserSuppliedFuzzer::UserSuppliedFuzzer()
: OwnRand(true), Rand(new FuzzerRandomLibc(0)) {}
UserSuppliedFuzzer::UserSuppliedFuzzer(FuzzerRandomBase *Rand) : Rand(Rand) {}
UserSuppliedFuzzer::~UserSuppliedFuzzer() {
if (OwnRand)
delete Rand;
}
size_t UserSuppliedFuzzer::BasicMutate(uint8_t *Data, size_t Size,
size_t MaxSize) {
return ::fuzzer::Mutate(Data, Size, MaxSize, *Rand);
}
size_t UserSuppliedFuzzer::BasicCrossOver(const uint8_t *Data1, size_t Size1,
const uint8_t *Data2, size_t Size2,
uint8_t *Out, size_t MaxOutSize) {
return ::fuzzer::CrossOver(Data1, Size1, Data2, Size2, Out, MaxOutSize,
*Rand);
}
} // namespace fuzzer.