Fix bug found by fuzzer.
Also, add the demangle fuzzer code.
Test: Ran fuzzer, ran new unit tests.
Change-Id: If3e15e10af88b81602a8a0f0bfe071a015f6000b
diff --git a/demangle/demangle_fuzzer.cpp b/demangle/demangle_fuzzer.cpp
new file mode 100644
index 0000000..83fafc2
--- /dev/null
+++ b/demangle/demangle_fuzzer.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 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 <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <string>
+
+#include "Demangler.h"
+
+extern "C" void LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ std::vector<char> data_str(size + 1);
+ memcpy(data_str.data(), data, size);
+ data_str[size] = '\0';
+
+ Demangler demangler;
+ std::string demangled_name = demangler.Parse(data_str.data());
+ if (size != 0 && data_str[0] != '\0' && demangled_name.empty()) {
+ abort();
+ }
+}