[libFuzzer] add -features_dir= flag to dump unique input features on disk
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@358317 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerIO.h b/FuzzerIO.h
index 9d4e765..cbfafa5 100644
--- a/FuzzerIO.h
+++ b/FuzzerIO.h
@@ -24,6 +24,7 @@
void CopyFileToErr(const std::string &Path);
+void WriteToFile(const uint8_t *Data, size_t Size, const std::string &Path);
void WriteToFile(const Unit &U, const std::string &Path);
void ReadDirToVectorOfUnits(const char *Path, Vector<Unit> *V,
@@ -89,6 +90,7 @@
int DuplicateFile(int Fd);
void RemoveFile(const std::string &Path);
+void RenameFile(const std::string &OldPath, const std::string &NewPath);
void DiscardOutput(int Fd);