// Copyright 2020 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include <stddef.h>

#include <stdint.h>

#include <fcntl.h>

#include <unistd.h>

#include "ext2fs/ext2fs.h"

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

  static const char* fname = "/tmp/ext2_test_file";

  // Write our data to a temp file.

  int fd = open(fname, O_RDWR|O_CREAT|O_TRUNC);

  write(fd, data, size);

  close(fd);

  ext2_filsys fs;

  errcode_t retval = ext2fs_open(

      fname,

      EXT2_FLAG_IGNORE_CSUM_ERRORS, 0, 0,

      unix_io_manager,

      &fs);

  if (!retval) {

    retval = ext2fs_check_directory(fs, EXT2_ROOT_INO);

    ext2fs_close(fs);

  }

  return 0;

}