/*

 * HEIF codec.

 * Copyright (c) 2017 struktur AG, Joachim Bauch <bauch@struktur.de>

 *

 * This file is part of libheif.

 *

 * libheif is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * libheif is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with libheif.  If not, see <http://www.gnu.org/licenses/>.

 */

#include <sstream>

#include "box.h"

#include "bitstream.h"

#include "context.h"

#include "logging.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)

{

  auto reader = std::make_shared<StreamReader_memory>(data, size, false);

  // --- OSS-Fuzz assumes a bug if the allocated memory exceeds 2560 MB.

  //     Set a lower allocation limit to prevent this.

  // Use a context for tracking the memory usage and set the reduced limit.

  HeifContext ctx;

  ctx.get_security_limits()->max_total_memory = UINT64_C(2) * 1024 * 1024 * 1024;

  BitstreamRange range(reader, size);

  for (;;) {

    std::shared_ptr<Box> box;

    Error error = Box::read(range, &box, ctx.get_security_limits());

    if (error != Error::Ok || range.error()) {

      break;

    }

    box->get_type();

    box->get_type_string();

    Indent indent;

    box->dump(indent);

  }

  return 0;

}