1 files changed, 53 insertions, 0 deletions
diff --git a/libs/binder/fuzzer/util.h b/libs/binder/fuzzer/util.h
new file mode 100644
index 0000000000..aa504d29f2
--- /dev/null
+++ b/libs/binder/fuzzer/util.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#ifndef FUZZ_LOG_TAG
+#error "Must define FUZZ_LOG_TAG"
+#endif
+
+#define FUZZ_LOG() FuzzLog(FUZZ_LOG_TAG).log()
+
+#ifdef ENABLE_LOG_FUZZ
+class FuzzLog {
+public:
+    FuzzLog(const char* tag) : mTag(tag) {}
+    ~FuzzLog() { std::cout << mTag << ": " << mOs.str() << std::endl; }
+
+    std::stringstream& log() { return mOs; }
+
+private:
+    const char* mTag = nullptr;
+    std::stringstream mOs;
+};
+#else
+class FuzzLog {
+public:
+    FuzzLog(const char* /*tag*/) {}
+    template <typename T>
+    FuzzLog& operator<<(const T& /*t*/) {
+        return *this;
+    }
+    FuzzLog& log() { return *this; }
+};
+#endif
+
+std::string hexString(const void* bytes, size_t len);
+std::string hexString(const std::vector<uint8_t>& bytes);