50 lines
2.2 KiB
C++
50 lines
2.2 KiB
C++
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/******************************************************************************
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*
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* Copyright (C) 2022 The Android Open Source Project
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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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*
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*****************************************************************************
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*/
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#include <fuzzer/FuzzedDataProvider.h>
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#include "minikin/Measurement.h"
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using namespace minikin;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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FuzzedDataProvider fdp(data, size);
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float advance = fdp.ConsumeFloatingPoint<float>();
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int sizeof_size = (int)sizeof(size_t);
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int sizeof_uint16 = (int)sizeof(uint16_t);
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int sizeof_float = (int)sizeof(float);
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int remaining = fdp.remaining_bytes();
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int limit = (int)((remaining - 3 * sizeof_size) / sizeof_uint16);
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limit = (limit < 0) ? 0 : limit;
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int buf_size = fdp.ConsumeIntegralInRange<int>(0, limit);
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if (buf_size == 0) return 0;
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uint16_t buf[buf_size];
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for (int i = 0; i < buf_size; i++) buf[i] = fdp.ConsumeIntegral<uint16_t>();
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size_t start = fdp.ConsumeIntegralInRange<size_t>(0, buf_size - 1);
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size_t count = fdp.ConsumeIntegralInRange<size_t>(0, buf_size - 1 - start);
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size_t offset = fdp.ConsumeIntegralInRange<size_t>(start, start + count);
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remaining = fdp.remaining_bytes();
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if (remaining / sizeof_float < count) return 0;
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if (offset == start + count) return 0;
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int advances_size = count;
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float advances[advances_size];
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for (int i = 0; i < advances_size; i++) advances[i] = fdp.ConsumeFloatingPoint<float>();
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float advance_run = getRunAdvance(advances, buf, start, count, offset);
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size_t advance_offset = getOffsetForAdvance(advances, buf, start, count, advance);
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return 0;
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}
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