main.cpp

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/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2017 Roman Lebedev
 
    This library 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 2 of the License, or (at your option) any later version.
 
    This library 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 this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#include "adt/Casts.h"
#ifndef PARSER
#error PARSER must be defined
#endif
 
#ifndef GETDECODER
#error GETDECODER must be defined as bool
#endif
 
#ifndef DECODE
#error DECODE must be defined as bool
#endif
 
#include "io/Buffer.h"
#include "io/IOException.h"
#include "parsers/CiffParser.h" // IWYU pragma: keep
#include "parsers/FiffParser.h" // IWYU pragma: keep
#include "parsers/RawParser.h"  // IWYU pragma: keep
#include "parsers/RawParserException.h"
#include "parsers/TiffParser.h"
#include <cassert>
#include <cstdint>
#include <cstdio>
 
#if GETDECODER
#include "decoders/RawDecoderException.h"
#if DECODE
#include "common/RawspeedException.h"
#include "metadata/CameraMetaData.h"
#include <memory>
#endif
#endif
 
#if GETDECODER && DECODE
static const rawspeed::CameraMetaData metadata{};
#endif
 
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size);
 
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) {
  assert(Data);
 
  const rawspeed::Buffer buffer(
      Data, rawspeed::implicit_cast<rawspeed::Buffer::size_type>(Size));
 
  try {
    rawspeed::PARSER parser(buffer);
 
#if GETDECODER
#if DECODE
    auto decoder =
#endif
        parser.getDecoder();
#endif
 
#if DECODE
    decoder->applyCrop = false;
    decoder->interpolateBadPixels = false;
    decoder->failOnUnknown = false;
    // decoder->checkSupport(&metadata);
 
    decoder->decodeRaw();
    decoder->decodeMetaData(&metadata);
#endif
  } catch (const rawspeed::RawParserException&) {
    return 0;
#if GETDECODER
  } catch (const rawspeed::RawDecoderException&) {
    return 0;
#endif
  } catch (const rawspeed::IOException&) {
    return 0;
#if DECODE
  } catch (const rawspeed::RawspeedException&) {
    return 0;
#endif
  }
 
  return 0;
}