Function read_line

src/pr.c:2435–2558

   an end of line character, true otherwise. */

static bool
read_line (COLUMN *p)
{
  int c;
  int chars IF_LINT (= 0);
  int last_input_position;
  int j, k;
  COLUMN *q;

  /* read 1st character in each line or any character succeeding a FF: */
  c = getc (p->fp);

  last_input_position = input_position;

  if (c == '\f' && p->full_page_printed)
    if ((c = getc (p->fp)) == '\n')
      c = getc (p->fp);
  p->full_page_printed = false;

  switch (c)
    {
    case '\f':
      if ((c = getc (p->fp)) != '\n')
        ungetc (c, p->fp);
      FF_only = true;
      if (print_a_header && !storing_columns)
        {
          pad_vertically = true;
          print_header ();
        }
      else if (keep_FF)
        print_a_FF = true;
      hold_file (p);
      return true;
    case EOF:
      close_file (p);
      return true;
    case '\n':
      break;
    default:
      chars = char_to_clump (c);
    }

  if (truncate_lines && input_position > chars_per_column)
    {
      input_position = last_input_position;
      return false;
    }

  if (p->char_func != store_char)
    {
      pad_vertically = true;

      if (print_a_header && !storing_columns)
        print_header ();

      if (parallel_files && align_empty_cols)
        {