[libFuzzer] refactor the way we choose the element to cross-over with, NFC (expected1); add a flag -seed_inputs= to pass extra seed inputs as file paths, not dirs
llvm-svn: 353494
diff --git a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
index 0f8389c..2bc895d 100644
--- a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
@@ -732,7 +732,19 @@
exit(0);
}
- F->Loop(*Inputs);
+ // Parse -seed_inputs=file1,file2,...
+ Vector<std::string> ExtraSeedFiles;
+ if (Flags.seed_inputs) {
+ std::string s = Flags.seed_inputs;
+ size_t comma_pos;
+ while ((comma_pos = s.find_last_of(',')) != std::string::npos) {
+ ExtraSeedFiles.push_back(s.substr(comma_pos + 1));
+ s = s.substr(0, comma_pos);
+ }
+ ExtraSeedFiles.push_back(s);
+ }
+
+ F->Loop(*Inputs, ExtraSeedFiles);
if (Flags.verbosity)
Printf("Done %zd runs in %zd second(s)\n", F->getTotalNumberOfRuns(),