Function scan_mb_blank_field

src/cut.c:499–534

}

static enum field_terminator
scan_mb_blank_field (mbbuf_t *mbbuf, struct mbfield_parser *parser,
                     bool *have_pending_line, bool write_field,
                     idx_t *n_bytes)
{
  if (parser->trim_outer_whitespace && parser->at_line_start)
    {
      enum field_terminator terminator
        = skip_whitespace_run (mbbuf, parser, have_pending_line, false);
      if (terminator != FIELD_DATA)
        return terminator;
    }

  parser->at_line_start = false;

  while (true)
    {
      mcel_t g = mbbuf_get_saved_char (mbbuf, &parser->have_saved,
                                      &parser->saved_g);
      if (g.ch == MBBUF_EOF)
        return FIELD_EOF;

      *have_pending_line = true;

      if (g.ch == line_delim)
        return FIELD_LINE_DELIMITER;

      if (mcel_isblank (g))
        return skip_whitespace_run (mbbuf, parser, have_pending_line, true);

      if (n_bytes)
        append_field_1_bytes (mbbuf, g, n_bytes);
      else if (write_field)
        write_bytes (mbbuf_char_offset (mbbuf, g), g.len);
    }
}

static enum field_terminator
scan_mb_delim_field (mbbuf_t *mbbuf, bool *have_pending_line,