FuzzerExtFunctions.h

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//===- FuzzerExtFunctions.h - Interface to external functions ---*- C++ -* ===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

// Defines an interface to (possibly optional) functions.

//===----------------------------------------------------------------------===//

#ifndef LLVM_FUZZER_EXT_FUNCTIONS_H

#define LLVM_FUZZER_EXT_FUNCTIONS_H

#include <stddef.h>

#include <stdint.h>

namespace fuzzer {

struct ExternalFunctions {

  // Initialize function pointers. Functions that are not available will be set

  // to nullptr.  Do not call this constructor  before ``main()`` has been

  // entered.

  ExternalFunctions();

#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN)                            \

  RETURN_TYPE(*NAME) FUNC_SIG = nullptr

#include "FuzzerExtFunctions.def"

#undef EXT_FUNC

};

} // namespace fuzzer

#endif