#define MIN_DESC_WIDTH 40
#define MIN_TOTAL_WIDTH 50
+/* Maximum length of arg to show in opt_usage */
+#define OPT_SHOW_LEN 80
+
static unsigned int get_columns(void)
{
int ws_col = 0;
if (opt->show) {
char buf[OPT_SHOW_LEN + sizeof("...")];
strcpy(buf + OPT_SHOW_LEN, "...");
- opt->show(buf, opt->u.arg);
+ if (opt->show(buf, OPT_SHOW_LEN, opt->u.arg)) {
+ /* If it doesn't fit on this line, indent. */
+ if (off + strlen(" (default: ") + strlen(buf) + strlen(")")
+ > width) {
+ base = add_indent(base, len, max, indent);
+ } else {
+ /* Remove \n. */
+ (*len)--;
+ }
- /* If it doesn't fit on this line, indent. */
- if (off + strlen(" (default: ") + strlen(buf) + strlen(")")
- > width) {
- base = add_indent(base, len, max, indent);
- } else {
- /* Remove \n. */
- (*len)--;
+ base = add_str(base, len, max, " (default: ");
+ base = add_str(base, len, max, buf);
+ base = add_str(base, len, max, ")\n");
}
-
- base = add_str(base, len, max, " (default: ");
- base = add_str(base, len, max, buf);
- base = add_str(base, len, max, ")\n");
}
return base;
}