C++ (Cpp) tar_sparse_decode_header Exemples

Exemple #1

Fichier : sparse.c Projet : jelaas/bifrost-build

bool
sparse_diff_file (int fd, struct tar_stat_info *st)
{
  bool rc = true;
  struct tar_sparse_file file;
  size_t i;
  off_t offset = 0;

  if (!tar_sparse_init (&file))
    return dump_status_not_implemented;

  file.stat_info = st;
  file.fd = fd;
  file.seekable = true; /* File *must* be seekable for compare to work */
  
  rc = tar_sparse_decode_header (&file);
  mv_begin (st);
  for (i = 0; rc && i < file.stat_info->sparse_map_avail; i++)
    {
      rc = check_sparse_region (&file,
				offset, file.stat_info->sparse_map[i].offset)
	    && check_data_region (&file, i);
      offset = file.stat_info->sparse_map[i].offset
	        + file.stat_info->sparse_map[i].numbytes;
    }

  if (!rc)
    skip_file (file.stat_info->archive_file_size - file.dumped_size);
  mv_end ();
  
  tar_sparse_done (&file);
  return rc;
}

Exemple #2

bool
sparse_diff_file (int fd, struct tar_stat_info *st)
{
  bool rc = true;
  struct tar_sparse_file file;
  size_t i;
  off_t offset = 0;

  file.stat_info = st;
  file.fd = fd;

  if (!sparse_select_optab (&file)
      || !tar_sparse_init (&file))
    return dump_status_not_implemented;

  rc = tar_sparse_decode_header (&file);
  for (i = 0; rc && i < file.stat_info->sparse_map_avail; i++)
    {
      rc = check_sparse_region (&file,
				offset, file.stat_info->sparse_map[i].offset)
	&& check_data_region (&file, i);
      offset = file.stat_info->sparse_map[i].offset
	        + file.stat_info->sparse_map[i].numbytes;
    }

  if (!rc)
    skip_file (file.stat_info->archive_file_size - file.dumped_size);

  tar_sparse_done (&file);
  return rc;
}

Exemple #3

Fichier : sparse.c Projet : jelaas/bifrost-build

enum dump_status
sparse_skip_file (struct tar_stat_info *st)
{
  bool rc = true;
  struct tar_sparse_file file;

  if (!tar_sparse_init (&file))
    return dump_status_not_implemented;

  file.stat_info = st;
  file.fd = -1;

  rc = tar_sparse_decode_header (&file);
  skip_file (file.stat_info->archive_file_size - file.dumped_size);
  return (tar_sparse_done (&file) && rc) ? dump_status_ok : dump_status_short;
}

Exemple #4

enum dump_status
sparse_extract_file (int fd, struct tar_stat_info *st, off_t *size)
{
  bool rc = true;
  struct tar_sparse_file file;
  size_t i;

  file.stat_info = st;
  file.fd = fd;

  if (!sparse_select_optab (&file)
      || !tar_sparse_init (&file))
    return dump_status_not_implemented;

  rc = tar_sparse_decode_header (&file);
  for (i = 0; rc && i < file.stat_info->sparse_map_avail; i++)
    rc = tar_sparse_extract_region (&file, i);
  *size = file.stat_info->archive_file_size - file.dumped_size;
  return (tar_sparse_done (&file) && rc) ? dump_status_ok : dump_status_short;
}