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| author | Kostya Serebryany <kcc@google.com> | 2015-07-24 01:06:40 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2015-07-24 01:06:40 +0000 |
| commit | 404c69f2c8c7f7d4993f80fb1f7390571ffe56b6 (patch) | |
| tree | 6396616273d6126f80ca341473538f9720740094 /llvm/lib/Fuzzer/FuzzerLoop.cpp | |
| parent | 636cd262d6ae996e76faba51e24eccb603e7e42f (diff) | |
| download | bcm5719-llvm-404c69f2c8c7f7d4993f80fb1f7390571ffe56b6.tar.gz bcm5719-llvm-404c69f2c8c7f7d4993f80fb1f7390571ffe56b6.zip | |
[libFuzzer] allow users to supply their own implementation of rand
llvm-svn: 243078
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerLoop.cpp')
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerLoop.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerLoop.cpp b/llvm/lib/Fuzzer/FuzzerLoop.cpp index d6533910f00..e659223fe1a 100644 --- a/llvm/lib/Fuzzer/FuzzerLoop.cpp +++ b/llvm/lib/Fuzzer/FuzzerLoop.cpp @@ -113,14 +113,14 @@ void Fuzzer::RereadOutputCorpus() { void Fuzzer::ShuffleAndMinimize() { size_t MaxCov = 0; - bool PreferSmall = - (Options.PreferSmallDuringInitialShuffle == 1 || - (Options.PreferSmallDuringInitialShuffle == -1 && rand() % 2)); + bool PreferSmall = (Options.PreferSmallDuringInitialShuffle == 1 || + (Options.PreferSmallDuringInitialShuffle == -1 && + USF.GetRand().RandBool())); if (Options.Verbosity) Printf("PreferSmall: %d\n", PreferSmall); PrintStats("READ ", 0); std::vector<Unit> NewCorpus; - std::random_shuffle(Corpus.begin(), Corpus.end()); + std::random_shuffle(Corpus.begin(), Corpus.end(), USF.GetRand()); if (PreferSmall) std::stable_sort( Corpus.begin(), Corpus.end(), |
