patch to use net options
gleocadie at idealx.com
Tue May 24 14:58:18 GMT 2005
Henrik Nordstrom wrote:
> On Tue, 24 May 2005, Rafal Szczesniak wrote:
>>> It seems that there's no subcommand options support in popt. I can
>>> make a mistake but I didn't find any.
>> OK, thanks. We'll probably need to do as I initially thought.
>> From my understanding of the problem one is supposed to just grab the
> remaining arguments and send them as input to the sub-command which
> then does it's own popt processing. To support common options include
> the common options in the sub-commands popt table with the help of the
> POPT_ARG_INCLUDE_TABLE argInfo type.
> General structure:
> main popt table called with initial argv in
> POPT_CONTEXT_POSIXMEHARDER mode. This has the global options which
> must/should go before the sub-command identifier.
> when a non-option argument is encountered then it's the sub-command.
> Grab the remaining arguments and send this as argv to the sub-command.
> Thanks to POPT_CONTEXT_POSIXMEHARDER any options after the sub-command
> is left intact.
> in the sub-command popt table (parsed with POPT_CONTEXT_KEEP_FIRST
> as there is no argv here), include the common options as popt
> table(s) using POPT_ARG_INCLUDE_TABLE as appropriate for the
> sub-command in question. More than one such group may be supported,
> and includes may be nested to your liking.
> Included common option tables preferably uses the callback mechanism
> to process the options (POPT_ARG_CALLBACK) if special processing is
> required. This way no common options will be returned to the
> sub-command opion parser and the parsing of the common options is
> completely hidden to the sub-command.
> This centralizes the common option groups quite nicely, only requiring
> each sub-command to indicate which group(s) of common options it
> supports in addition to it's own.
> Problems arises if there us sub-command specific options which may go
> before the sub-command identifier. For sanity these should be handled
> as global options available to all sub-commands.
> Only thing I see missing is a popt call to grab the remaining argc to
> send to the sub-command. Only argv is available. Trivial count up to
> NULL is sufficient but still oddly missing..
> An example program showing this use of popt for sub-command option
> processing can be found here:
I'm ok with this way and it works,but it looks weird to have and to
write a command like this: net -U toto%iscool share list -h 172.16.122.132
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