[Boost-users] Re: filesystem and existing files

From: Russell Hind (rhind_at_[hidden])
Date: 2004-07-22 11:18:08

Vladimir Prus wrote:
> 
> I believe you can't do it portably.... on Linux, for example, there's O_EXCL
> flag to the 'open' system call, but you can't specify this flag via
> boost::fs. In fact, this is related to temporary file discussion we had on
> dev list before.
> 
> Probably, it means we need a function in boost::fs to do what you ask for.
> 

I think it would be useful, although I'm not sure how you could 
integrate it with std streams?  If you use CreateFile in Win32 with 
CREATE_NEW (which fails if exists), can you construct a std::ofstream 
with that handle?  (I guess it would be similar in linux)?

Cheers

Russell