testing/libfuzzer/pdf_fm2js_fuzzer.cc

// Copyright 2016 The PDFium 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 <cstddef>
#include <cstdint>

#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_safe_types.h"
#include "core/fxcrt/fx_string.h"
#include "xfa/fxfa/fm2js/cxfa_fmprogram.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  FX_SAFE_STRSIZE safe_size = size;
  if (!safe_size.IsValid())
    return 0;

  CFX_WideString input =
      CFX_WideString::FromUTF8(CFX_ByteStringC(data, safe_size.ValueOrDie()));
  CXFA_FMProgram program(input.AsStringC());
  if (!program.ParseProgram())
    return 0;

  CFX_WideTextBuf js;
  program.TranslateProgram(js);
  return 0;
}