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- // Copyright 2018 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <stddef.h>
- #include <stdint.h>
- #include <fuzzer/FuzzedDataProvider.h>
- #include <vector>
- #include "third_party/ced/src/compact_enc_det/compact_enc_det.h"
- namespace {
- constexpr size_t kMaxInputSize = 64 * 1024;
- }
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- // Early out if there isn't enough data to extract options and pass data to
- // the library.
- if (size < 3 * sizeof(int32_t) + 1)
- return 0;
- // Limit the input size to avoid timing out on clusterfuzz.
- if (size > kMaxInputSize)
- return 0;
- FuzzedDataProvider data_provider(data, size);
- CompactEncDet::TextCorpusType corpus =
- static_cast<CompactEncDet::TextCorpusType>(
- data_provider.ConsumeIntegralInRange<int32_t>(
- 0, CompactEncDet::NUM_CORPA));
- Encoding encoding_hint = static_cast<Encoding>(
- data_provider.ConsumeIntegralInRange<int32_t>(0, NUM_ENCODINGS));
- Language langauge_hint = static_cast<Language>(
- data_provider.ConsumeIntegralInRange<int32_t>(0, NUM_LANGUAGES));
- bool ignore_7bit_mail_encodings = data_provider.ConsumeBool();
- std::vector<char> text = data_provider.ConsumeRemainingBytes<char>();
- int bytes_consumed = 0;
- bool is_reliable = false;
- CompactEncDet::DetectEncoding(
- text.data(), text.size(), nullptr /* url_hint */,
- nullptr /* http_charset_hint */, nullptr /* meta_charset_hint */,
- encoding_hint, langauge_hint, corpus, ignore_7bit_mail_encodings,
- &bytes_consumed, &is_reliable);
- return 0;
- }
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