Shamelessly copy Josiah

source/lib/json/tests/thirdparty/Fuzzer/test/AFLDriverTest.cpp

@@ -0,0 +1,22 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Contains dummy functions used to avoid dependency on AFL.
+#include <stdint.h>
+#include <stdlib.h>
+
+extern "C" void __afl_manual_init() {}
+
+extern "C" int __afl_persistent_loop(unsigned int) {
+  return 0;
+}
+
+// This declaration exists to prevent the Darwin linker
+// from complaining about this being a missing weak symbol.
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
+  return 0;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  return 0;
+}