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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <fuzzer/FuzzedDataProvider.h>
#include <vector>
// Calls a function from the ops_vector
template <class F, class T, class... Types>
void callArbitraryFunction(F* fdp, T const& ops_vector, Types... args) {
// Choose which function we'll be calling
uint8_t function_id = fdp->template ConsumeIntegralInRange<uint8_t>(0, ops_vector.size() - 1);
// Call the function we've chosen
ops_vector[function_id](fdp, args...);
}
template <class T>
T getArbitraryVectorElement(FuzzedDataProvider* fdp, std::vector<T> const& vect, bool allow_null) {
// If we're allowing null, give it a 50:50 shot at returning a nullptr
if (vect.empty() || (allow_null && fdp->ConsumeBool())) {
return nullptr;
}
// Otherwise, return an element from our vector
return vect.at(fdp->ConsumeIntegralInRange<size_t>(0, vect.size() - 1));
}
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