Function freeline

src/join.c:344–353

}

static void
freeline (struct line *line)
{
  if (line == NULL)
    return;
  free (line->fields);
  line->fields = NULL;
  free (line->buf.buffer);
  line->buf.buffer = NULL;
}

/* Return <0 if the join field in LINE1 compares less than the one in LINE2;
   >0 if it compares greater; 0 if it compares equal.