Re: gengetopt: initialization of args_info_help[]

Andre Noll wrote:
> Hi Lorenzo,
> 

Hi Andre

<SNIP>
> 
> Before that function gets called, the contents of xxx_args_info_help
> will be undefined. Since init_help_array() is a static function, it
> is not possible to call it directly from the application that uses
> gengetopt.  The only way to get an initialized xxx_args_info_help
> array is to call xxx_cmdline_parser_init() which implicitly calls
> init_help_array().
> 
> So for N parsers, I have to allocate N args_info structures and call
> N init functions even in the case I just want to print the short help.
> Is this behaviour intended?
> 

I never thought about such a situation actually; I think that that init 
help function might be made public and callable from outside

> An alternative would be to initialize also the short help by using
> string literals, just like the detailed help. The duplicated strings
> would not increase code size because the compiler should be smart
> enough to put identical strings into memory only once.

please, do not ask for that ;-) ;-)
this behavior was requested by other users and it was quite a nightmare 
to implement it, so I wouldn't want to go back ;-)

I'll try to handle this matter soon.

thanks for the feedback
cheers
	Lorenzo

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Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
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