#include <cstring>
#include <chrono>
#include <unistd.h>
-#include <iostream>
#include <thread>
#include <atomic>
#include <mutex>
static const char *ProgName;
static void PrintHelp() {
- std::cerr << "Usage: " << ProgName
- << " [-flag1=val1 [-flag2=val2 ...] ] [dir1 [dir2 ...] ]\n";
- std::cerr << "\nFlags: (strictly in form -flag=value)\n";
+ Printf("Usage: %s [-flag1=val1 [-flag2=val2 ...] ] [dir1 [dir2 ...] ]\n",
+ ProgName);
+ Printf("\nFlags: (strictly in form -flag=value)\n");
size_t MaxFlagLen = 0;
for (size_t F = 0; F < kNumFlags; F++)
MaxFlagLen = std::max(strlen(FlagDescriptions[F].Name), MaxFlagLen);
for (size_t F = 0; F < kNumFlags; F++) {
const auto &D = FlagDescriptions[F];
- std::cerr << " " << D.Name;
+ Printf(" %s", D.Name);
for (size_t i = 0, n = MaxFlagLen - strlen(D.Name); i < n; i++)
- std::cerr << " ";
- std::cerr << "\t";
- std::cerr << D.Default << "\t" << D.Description << "\n";
+ Printf(" ");
+ Printf("\t");
+ Printf("%d\t%s\n", D.Default, D.Description);
}
- std::cerr << "\nFlags starting with '--' will be ignored and "
- "will be passed verbatim to subprocesses.\n";
+ Printf("\nFlags starting with '--' will be ignored and "
+ "will be passed verbatim to subprocesses.\n");
}
static const char *FlagValue(const char *Param, const char *Name) {
static bool PrintedWarning = false;
if (!PrintedWarning) {
PrintedWarning = true;
- std::cerr << "WARNING: libFuzzer ignores flags that start with '--'\n";
+ Printf("WARNING: libFuzzer ignores flags that start with '--'\n");
}
return true;
}
int Val = std::stol(Str);
*FlagDescriptions[F].IntFlag = Val;
if (Flags.verbosity >= 2)
- std::cerr << "Flag: " << Name << " " << Val << "\n";
+ Printf("Flag: %s %d\n", Name, Val);;
return true;
} else if (FlagDescriptions[F].StrFlag) {
*FlagDescriptions[F].StrFlag = Str;
if (Flags.verbosity >= 2)
- std::cerr << "Flag: " << Name << " " << Str << "\n";
+ Printf("Flag: %s %s\n", Name, Str);
return true;
}
}
while (true) {
std::this_thread::sleep_for(std::chrono::seconds(600));
std::lock_guard<std::mutex> Lock(Mu);
- std::cerr << "pulse...\n";
+ Printf("pulse...\n");
}
}
std::string Log = "fuzz-" + std::to_string(C) + ".log";
std::string ToRun = Cmd + " > " + Log + " 2>&1\n";
if (Flags.verbosity)
- std::cerr << ToRun;
+ Printf("%s", ToRun.c_str());
int ExitCode = system(ToRun.c_str());
if (ExitCode != 0)
*HasErrors = true;
std::lock_guard<std::mutex> Lock(Mu);
- std::cerr << "================== Job " << C
- << " exited with exit code " << ExitCode
- << " =================\n";
+ Printf("================== Job %d exited with exit code %d ============\n",
+ C, ExitCode);
fuzzer::CopyFileToErr(Log);
}
}
Unit U = FileToVector(InputFilePath);
auto T = F.SubstituteTokens(U);
T.push_back(0);
- std::cout << T.data();
+ Printf("%s", T.data());
return 0;
}
if (Flags.jobs > 0 && Flags.workers == 0) {
Flags.workers = std::min(NumberOfCpuCores() / 2, Flags.jobs);
if (Flags.workers > 1)
- std::cerr << "Running " << Flags.workers << " workers\n";
+ Printf("Running %d workers\n", Flags.workers);
}
if (Flags.workers > 0 && Flags.jobs > 0)
Options.UseCounters = Flags.use_counters;
Options.UseTraces = Flags.use_traces;
Options.UseFullCoverageSet = Flags.use_full_coverage_set;
- Options.UseCoveragePairs = Flags.use_coverage_pairs;
Options.PreferSmallDuringInitialShuffle =
Flags.prefer_small_during_initial_shuffle;
Options.Tokens = ReadTokensFile(Flags.tokens);
Options.SyncTimeout = Flags.sync_timeout;
Fuzzer F(USF, Options);
- unsigned seed = Flags.seed;
- // Initialize seed.
- if (seed == 0)
- seed = time(0) * 10000 + getpid();
+ if (Flags.apply_tokens)
+ return ApplyTokens(F, Flags.apply_tokens);
+
+ unsigned Seed = Flags.seed;
+ // Initialize Seed.
+ if (Seed == 0)
+ Seed = time(0) * 10000 + getpid();
if (Flags.verbosity)
- std::cerr << "Seed: " << seed << "\n";
- srand(seed);
+ Printf("Seed: %u\n", Seed);
+ srand(Seed);
// Timer
if (Flags.timeout > 0)
SetTimer(Flags.timeout / 2 + 1);
if (Flags.verbosity >= 2) {
- std::cerr << "Tokens: {";
+ Printf("Tokens: {");
for (auto &T : Options.Tokens)
- std::cerr << T << ",";
- std::cerr << "}\n";
+ Printf("%s,", T.c_str());
+ Printf("}\n");
}
- if (Flags.apply_tokens)
- return ApplyTokens(F, Flags.apply_tokens);
-
F.RereadOutputCorpus();
for (auto &inp : inputs)
if (inp != Options.OutputCorpus)
F.SaveCorpus();
F.Loop(Flags.iterations < 0 ? INT_MAX : Flags.iterations);
if (Flags.verbosity)
- std::cerr << "Done " << F.getTotalNumberOfRuns()
- << " runs in " << F.secondsSinceProcessStartUp()
- << " seconds\n";
+ Printf("Done %d runs in %zd second(s)\n", F.getTotalNumberOfRuns(),
+ F.secondsSinceProcessStartUp());
+
return 0;
}