[zopfli] Add zopfli as a starting point (#2631)

* add zopfli

* added primary contact

* update zopfli files

* removed unnecessary comments

* pushed new version of target

* added FuzzedDataProvider

1 files changed, 45 insertions, 0 deletions

diff --git a/projects/zopfli/zopfli_compress_fuzzer.cc b/projects/zopfli/zopfli_compress_fuzzer.cc
new file mode 100644
index 00000000..1edd8144
--- /dev/null
+++ b/projects/zopfli/zopfli_compress_fuzzer.cc
@@ -0,0 +1,45 @@
+// Copyright 2019 Google LLC
+//
+// 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 <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <string>
+
+#include "zopfli.h"
+#include "FuzzedDataProvider.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  FuzzedDataProvider stream(data, size);
+
+  ZopfliOptions options;
+  ZopfliInitOptions(&options);
+
+  const ZopfliFormat format = stream.PickValueInArray(
+      {ZOPFLI_FORMAT_GZIP, ZOPFLI_FORMAT_ZLIB, ZOPFLI_FORMAT_DEFLATE});
+
+  unsigned char* outbuf = nullptr;
+  size_t outsize = 0;
+  std::vector<unsigned char> input =
+      stream.ConsumeRemainingBytes<unsigned char>();
+
+  ZopfliCompress(&options, format, input.data(), input.size(), &outbuf,
+                 &outsize);
+
+  if (outbuf != nullptr) {
+    free(outbuf);
+  }
+
+  return 0;
+}