Re: [PATCH 3/4] describe: use argv-array

> >>> +		return cmd_name_rev(args.argc, args.argv, prefix);
> >>
> >> This leaks the memory allocated by "args". The original did, too, and it
> >> is probably not that big a deal (we exit right after anyway). The fix
> >> would be something like:
> >>
> >>   rc = cmd_name_rev(args.argc, args.argv, prefix);
> >>   argv_array_clear(&args);
> >>   return rc;
> >
> > Yes; this was meant as a straight rewrite and I did not bother, but
> > I should have cleaned it up as I meant to build on top.
> >
> > Will amend, even though I do not think we need to build anything on
> > top.
> 
> Heh, you fooled me.  cmd_name_rev() uses the usual parse-options
> machinery that updates args.argv[].  Dashed options that were
> consumed will not remain in args.argv[] and argv_array_clear() will
> not have a chance to free them, and besides, args.argc and args.argv
> will be out of sync and wreaks havoc in argv_array_clear().