w->opts = *opts;
- w->encoding = (dict_get_encoding (dict)
- ? xstrdup (dict_get_encoding (dict))
- : NULL);
+ w->encoding = xstrdup (dict_get_encoding (dict));
w->n_csv_vars = dict_get_var_cnt (dict);
w->csv_vars = xnmalloc (w->n_csv_vars, sizeof *w->csv_vars);