46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <fuzzer/FuzzedDataProvider.h>
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#include <string>
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#include "deflate.h"
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#include "zopfli.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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ZopfliOptions options;
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ZopfliInitOptions(&options);
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FuzzedDataProvider stream(data, size);
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// From documentation: valid values for btype are 0, 1, or 2.
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const int btype = stream.PickValueInArray({0, 1, 2});
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// The final parameter is an int but it is used as a bool.
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const int is_final = stream.ConsumeIntegralInRange(0, 1);
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const std::string input = stream.ConsumeRemainingBytesAsString();
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unsigned char* out = nullptr;
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size_t outsize = 0;
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unsigned char bp = 0; // Apparently must be zero.
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ZopfliDeflate(&options, btype, is_final,
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reinterpret_cast<const unsigned char*>(input.data()),
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input.size(), &bp, &out, &outsize);
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if (out != nullptr) {
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free(out);
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}
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return 0;
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}
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