[libfuzzer] arbitrary function adapter.

The adapter automates converting sequence of bytes into arbitrary
arguments.

Differential Revision: http://reviews.llvm.org/D17829

llvm-svn: 262673

1 files changed, 21 insertions, 0 deletions

diff --git a/llvm/lib/Fuzzer/test/SimpleFnAdapterTest.cpp b/llvm/lib/Fuzzer/test/SimpleFnAdapterTest.cpp
new file mode 100644
index 0000000..f9432ef
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/SimpleFnAdapterTest.cpp
@@ -0,0 +1,21 @@
+// Simple test for a fuzzer Fn adapter. The fuzzer has to find two non-empty
+// vectors with the same content.
+
+#include <iostream>
+#include <vector>
+
+#include "FuzzerFnAdapter.h"
+
+static void TestFn(std::vector<uint8_t> V1, std::vector<uint8_t> V2) {
+  if (V1.size() > 0 && V1 == V2) {
+    std::cout << "BINGO; Found the target, exiting\n";
+    exit(0);
+  }
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  fuzzer::Adapt(TestFn, Data, Size);
+  return 0;
+}
+
+