misc bb_getopt_ulflags() questions

[Tito]

On Monday 20 February 2006 23:53, Mike Frysinger wrote:
> i'm struggling with the "english" in the comments in getopt_ulflags.c ... for 
> example, this bit:
>  "--"   A double dash as the first char in a bb_opt_complementally group
>     means make first argv[1] as option always as may be added -, special
>     for "ar" and "tar" applets.
> 
> does that mean if i use "--" at the beginning of bb_opt_complementally, then 
> argv[1] will be parsed as options even if it doesnt start with a - ?  the 
> idea being we want to support this syntax:
> tar xvf foo.tar
> instead of forcing this syntax:
> tar -xvf foo.tar

Yes...

> next up, what does "complementally" mean ?  is that a misspelling and the 
> variable should really be called "bb_opt_complementary" ?

This is a Russian to English genetic modified word translation (Vodz told me
when i reviewed the doc in getopt_ulflags.c).
You can think about it as "bb_opt_complementary" but please 
don't change it 'cause i like it.... ;-)
  
> finally, and the reason i'm actually writing this e-mail, is there a way to 
> get bb_getopt_ulflags() to stop processing as soon as it encounters a 
> non-option ?  i want to support this syntax:
> applet [applet options] program_to_exec [program options]
> because forcing the user to add a "--" before program_to_exec is wrong

No, there is not, probably you have to do your own option
parsing....

Ciao,
Tito
> -mike
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