Function close_reader

libCacheSim/traceReader/reader.c:549–600

}

int close_reader(reader_t *const reader) {
  /* close the file in the reader or unmmap the memory in the file
   then free the memory of reader object
   Return value: Upon successful completion 0 is returned.
   Otherwise, EOF is returned and the global variable errno is set to
   indicate the error.  In either case no further
   access to the stream is possible.*/

  if (reader->trace_type == PLAIN_TXT_TRACE) {
    fclose(reader->file);
    free(reader->line_buf);
  } else if (reader->trace_type == CSV_TRACE) {
    csv_params_t *csv_params = reader->reader_params;
    fclose(reader->file);
    free(reader->line_buf);
    csv_free(csv_params->csv_parser);
    free(csv_params->csv_parser);
  } else if (reader->trace_type == BIN_TRACE) {
    binary_params_t *params = reader->reader_params;
    if (params != NULL && params->fmt_str != NULL) {
      free(params->fmt_str);
    }
    if (reader->init_params.binary_fmt_str != NULL) {
      free(reader->init_params.binary_fmt_str);
    }
  }

#ifdef SUPPORT_ZSTD_TRACE
  if (reader->is_zstd_file) {
    free_zstd_reader(reader->zstd_reader_p);
  }
#endif

  if (!reader->cloned) {
    if (reader->mapped_file != NULL) {
      munmap(reader->mapped_file, reader->file_size);
    }
  }

  if (reader->reader_params != NULL) {
    free(reader->reader_params);
  }

  if (reader->sampler != NULL) {
    free(reader->sampler);
  }

  free(reader->trace_path);
  free(reader);

  return 0;
}

/**
 * jump to given position in the trace, such as 0.2, 0.5, 1.0, etc.