39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
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// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <stddef.h>
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#include <stdint.h>
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#include <string>
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#include "base/strings/utf_string_conversions.h"
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#include "components/translate/core/language_detection/language_detection_util.h"
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// Entry point for LibFuzzer.
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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if (size == 0) {
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return 0;
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}
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uint8_t ch = data[0];
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int lang_len = ch & 0xF;
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int html_lang_len = (ch >> 4) & 0xF;
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int text_len = static_cast<int>(size) - lang_len - html_lang_len;
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if ((text_len < 0) || (text_len % sizeof(char16_t) != 0)) {
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return 0;
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}
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std::string lang(reinterpret_cast<const char*>(data), lang_len);
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std::string html_lang(reinterpret_cast<const char*>(data + lang_len),
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html_lang_len);
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std::u16string text(
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reinterpret_cast<const char16_t*>(data + lang_len + html_lang_len),
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text_len / sizeof(char16_t));
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std::string model_detected_language;
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bool is_model_reliable;
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float model_reliability_score;
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translate::DeterminePageLanguage(lang, html_lang, text,
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&model_detected_language, &is_model_reliable,
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model_reliability_score);
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return 0;
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}
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