LLVM  4.0.0
FuzzerExtFunctions.h
Go to the documentation of this file.
1 //===- FuzzerExtFunctions.h - Interface to external functions ---*- C++ -* ===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // Defines an interface to (possibly optional) functions.
10 //===----------------------------------------------------------------------===//
11 
12 #ifndef LLVM_FUZZER_EXT_FUNCTIONS_H
13 #define LLVM_FUZZER_EXT_FUNCTIONS_H
14 
15 #include <stddef.h>
16 #include <stdint.h>
17 
18 namespace fuzzer {
19 
21  // Initialize function pointers. Functions that are not available will be set
22  // to nullptr. Do not call this constructor before ``main()`` has been
23  // entered.
25 
26 #define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \
27  RETURN_TYPE(*NAME) FUNC_SIG = nullptr
28 
29 #include "FuzzerExtFunctions.def"
30 
31 #undef EXT_FUNC
32 };
33 } // namespace fuzzer
34 
35 #endif