void Fuzzer::Merge(const std::vector<std::string> &Corpora) {
if (Corpora.size() <= 1) {
Printf("Merge requires two or more corpus dirs\n");
return;
}
std::vector<std::string> ExtraCorpora(Corpora.begin() + 1, Corpora.end());
assert(Options.MaxLen > 0);
UnitVector Initial, Extra;
ReadDirToVectorOfUnits(Corpora[0].c_str(), &Initial, nullptr, Options.MaxLen);
for (auto &C : ExtraCorpora)
ReadDirToVectorOfUnits(C.c_str(), &Extra, nullptr, Options.MaxLen);
if (!Initial.empty()) {
Printf("=== Minimizing the initial corpus of %zd units\n", Initial.size());
Initial = FindExtraUnits({}, Initial);
}
Printf("=== Merging extra %zd units\n", Extra.size());
auto Res = FindExtraUnits(Initial, Extra);
for (auto &U: Res)
WriteToOutputCorpus(U);
Printf("=== Merge: written %zd units\n", Res.size());
}
void Fuzzer::Merge(const std::vector<std::string> &Corpora) {
if (Corpora.size() <= 1) {
Printf("Merge requires two or more corpus dirs\n");
return;
}
auto InitialCorpusDir = Corpora[0];
ReadDir(InitialCorpusDir, nullptr);
Printf("Merge: running the initial corpus '%s' of %d units\n",
InitialCorpusDir.c_str(), Corpus.size());
for (auto &U : Corpus)
RunOne(U);
std::vector<std::string> ExtraCorpora(Corpora.begin() + 1, Corpora.end());
size_t NumTried = 0;
size_t NumMerged = 0;
for (auto &C : ExtraCorpora) {
Corpus.clear();
ReadDir(C, nullptr);
Printf("Merge: merging the extra corpus '%s' of %zd units\n", C.c_str(),
Corpus.size());
for (auto &U : Corpus) {
NumTried++;
if (RunOne(U)) {
WriteToOutputCorpus(U);
NumMerged++;
}
}
}
Printf("Merge: written %zd out of %zd units\n", NumMerged, NumTried);
}
