ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/test/thirdparty/Fuzzer/FuzzerUtil.h

   1 //===- FuzzerUtil.h - Internal header for the Fuzzer Utils ------*- 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 // Util functions.
  10 //===----------------------------------------------------------------------===//
  11
  12 #ifndef LLVM_FUZZER_UTIL_H
  13 #define LLVM_FUZZER_UTIL_H
  14
  15 #include "FuzzerDefs.h"
  16
  17 namespace fuzzer {
  18
  19 void PrintHexArray(const Unit &U, const char *PrintAfter = "");
  20
  21 void PrintHexArray(const uint8_t *Data, size_t Size,
  22                    const char *PrintAfter = "");
  23
  24 void PrintASCII(const uint8_t *Data, size_t Size, const char *PrintAfter = "");
  25
  26 void PrintASCII(const Unit &U, const char *PrintAfter = "");
  27
  28 // Changes U to contain only ASCII (isprint+isspace) characters.
  29 // Returns true iff U has been changed.
  30 bool ToASCII(uint8_t *Data, size_t Size);
  31
  32 bool IsASCII(const Unit &U);
  33
  34 bool IsASCII(const uint8_t *Data, size_t Size);
  35
  36 std::string Base64(const Unit &U);
  37
  38 void PrintPC(const char *SymbolizedFMT, const char *FallbackFMT, uintptr_t PC);
  39
  40 std::string DescribePC(const char *SymbolizedFMT, uintptr_t PC);
  41
  42 unsigned NumberOfCpuCores();
  43
  44 bool ExecuteCommandAndReadOutput(const std::string &Command, std::string *Out);
  45
  46 // Platform specific functions.
  47 void SetSignalHandler(const FuzzingOptions& Options);
  48
  49 void SleepSeconds(int Seconds);
  50
  51 unsigned long GetPid();
  52
  53 size_t GetPeakRSSMb();
  54
  55 int ExecuteCommand(const std::string &Command);
  56
  57 FILE *OpenProcessPipe(const char *Command, const char *Mode);
  58
  59 const void *SearchMemory(const void *haystack, size_t haystacklen,
  60                          const void *needle, size_t needlelen);
  61
  62 std::string CloneArgsWithoutX(const std::vector<std::string> &Args,
  63                               const char *X1, const char *X2);
  64
  65 inline std::string CloneArgsWithoutX(const std::vector<std::string> &Args,
  66                                      const char *X) {
  67   return CloneArgsWithoutX(Args, X, X);
  68 }
  69
  70 }  // namespace fuzzer
  71
  72 #endif  // LLVM_FUZZER_UTIL_H