[Winpcap-users] pcap_fopen_offline not exported?

[Guy Harris]

On Jul 23, 2008, at 12:42 PM, Gianluca Varenni wrote:

> Even without this limitation, the transformation file descriptor <-- 
> > FILE* is dangerous. Usually the functions working on FILE handles  
> provide some sort of internal buffering (unless you disable it), so  
> what you have written with fwrite is not what got written on disk or  
> with the file descriptor and write().

That's what fflush() is for.  (Of course, that doesn't guarantee that  
it really gets written to *disk* on UN*X and I don't think it  
guarantees that on Windows, either; for that, you need fsync() or  
FlushFileBuffers().)

> Same for read operations.

If the file isn't being written to by other processes, that won't  
matter.