blob: 072f5ee0b596aaa1baa15fb6396e984b8b82fbb4 [file] [log] [blame]
// 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 "base/json/string_escape.h"
#include <memory>
#include "starboard/memory.h"
// Entry point for LibFuzzer.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
if (size < 2)
return 0;
const bool put_in_quotes = data[size - 1];
// Create a copy of input buffer, as otherwise we don't catch
// overflow that touches the last byte (which is used in put_in_quotes).
size_t actual_size_char8 = size - 1;
std::unique_ptr<char[]> input(new char[actual_size_char8]);
SbMemoryCopy(input.get(), data, actual_size_char8);
base::StringPiece input_string(input.get(), actual_size_char8);
std::string escaped_string;
base::EscapeJSONString(input_string, put_in_quotes, &escaped_string);
// Test for wide-strings if available size is even.
if (actual_size_char8 & 1)
return 0;
size_t actual_size_char16 = actual_size_char8 / 2;
base::StringPiece16 input_string16(
reinterpret_cast<base::char16*>(input.get()), actual_size_char16);
base::EscapeJSONString(input_string16, put_in_quotes, &escaped_string);
return 0;