[boost] Re: filesystem hard link question

From: David Abrahams (dave_at_[hidden])
Date: 2004-03-11 16:56:35

Walter Landry <wlandry_at_[hidden]> writes:

> It throws whenever BOOST_POSIX is not defined.  It is just this (works
> with 1.30.0, don't know about 1.31.0):
>
>     void link( const path & from_file_ph,
>                const path & to_file_ph )
>       {
> #   ifdef BOOST_POSIX
>         if(::link(from_file_ph.native_file_string().c_str(),
>                   to_file_ph.native_file_string().c_str()) != 0)
> #   endif
>         boost::throw_exception( filesystem_error(
>           "boost::filesystem::symlink",
>           from_file_ph, to_file_ph, fs::detail::system_error_code() ) );
>       }

Why is a runtime error better than a compile-time error in this case?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com