Re: argp

From: Daniel Heck (dheck_at_[hidden])
Date: 2000-05-04 07:34:22

On Thu, 4 May 2000, Paul A. Bristow wrote:

> This looks useful but alas won't compile with MSVC++ 6 Sp3 (the latest
> version)
> 
> (I added a return 0; to end main and a using namespace std; though my
> experience is that using std::string; etc is MUCH better).
> 
> I suspect the problem is minor but I can't immediately see what is wrong.
> 
> Line causing offence is
> 
> 				if ((beg->longopt).compare(val, 0, s) == 0)

I wrote the program under Linux; it seems the STL that comes with gcc is
not fully standard compliant.

For some strange reason, the STL implementation that comes with gcc
2.95 uses

  basic_string<>::compare(basic_string<>&, size_type, size_type)

whereas the standard implements this as

  basic_string<>::compare(size_type, size_type, basic_string<>&)

This is something I already stumbled over when programming my argp
class; It seems I should _really_ consider an update ;)

Anyway, you are right; The quoted line should really be

   if ((beg->longopt).compare(0, s, val) == 0)

Hope this helps
Daniel