You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.5 KiB
46 lines
1.5 KiB
// 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 <fuzzer/FuzzedDataProvider.h>
|
|
|
|
#include <string>
|
|
|
|
#include "deflate.h"
|
|
#include "zopfli.h"
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
ZopfliOptions options;
|
|
ZopfliInitOptions(&options);
|
|
|
|
FuzzedDataProvider stream(data, size);
|
|
|
|
// From documentation: valid values for btype are 0, 1, or 2.
|
|
const int btype = stream.PickValueInArray({0, 1, 2});
|
|
// The final parameter is an int but it is used as a bool.
|
|
const int is_final = stream.ConsumeIntegralInRange(0, 1);
|
|
const std::string input = stream.ConsumeRemainingBytesAsString();
|
|
|
|
unsigned char* out = nullptr;
|
|
size_t outsize = 0;
|
|
unsigned char bp = 0; // Apparently must be zero.
|
|
ZopfliDeflate(&options, btype, is_final,
|
|
reinterpret_cast<const unsigned char*>(input.data()),
|
|
input.size(), &bp, &out, &outsize);
|
|
|
|
if (out != nullptr) {
|
|
free(out);
|
|
}
|
|
|
|
return 0;
|
|
}
|