Function reiser_copy

src/rfs_dir.c:474–545

}

static copy_file_t reiser_copy(disk_t *disk_car, const partition_t *partition, dir_data_t *dir_data, const file_info_t *file)
{
  reiserfs_file_t *in;
  FILE *f_out;
  char *new_file;
  struct rfs_dir_struct *ls=(struct rfs_dir_struct*)dir_data->private_dir_data;
  copy_file_t error=CP_OK;
  uint64_t file_size;
  f_out=fopen_local(&new_file, dir_data->local_dir, dir_data->current_directory);
  if(!f_out)
  {
    log_critical("Can't create file %s: %s\n", new_file, strerror(errno));
    free(new_file);
    return CP_CREATE_FAILED;
  }
  log_error("Try to open rfs file %s\n", dir_data->current_directory);
  log_flush();
  in=reiserfs_file_open(ls->current_fs, dir_data->current_directory, O_RDONLY);
  if (in==NULL)
  {
    log_error("Error while opening rfs file %s\n", dir_data->current_directory);
    free(new_file);
    fclose(f_out);
    return CP_OPEN_FAILED;
  }
  log_error("open rfs file %s done\n", dir_data->current_directory);
  log_flush();
  file_size = reiserfs_file_size(in);
#if 0
  /* TODO: do not use so much memory */
  {
    void *buf=MALLOC(file_size+1);
    if (reiserfs_file_read(in, buf, file_size) != file_size)
    {
      log_error("Error while reading rfs file %s\n", dir_data->current_directory);
      error = CP_READ_FAILED;
    }
    else if (fwrite(buf, file_size, 1, f_out) != 1)
    {
      log_error("Error while writing file %s\n", new_file);
      error = CP_NOSPACE;
    }
    free(buf);
  }
#else
  {
    /* require progsreiserfs-file-read.patch */
    char buf[4096];
    while(file_size > 0)
    {
      int read_size=(file_size < sizeof(buf) ? file_size : sizeof(buf));
      if (reiserfs_file_read(in, buf, read_size) == 0)
      {
	log_error("Error while reading rfs file %s\n", dir_data->current_directory);
	error = CP_READ_FAILED;
      }
      else if (fwrite(buf, read_size, 1, f_out) != 1)
      {