RE: listing all devs

["Fulvio Risso" <fulvio.risso () polito it>]

> -----Original Message-----
> From: owner-tcpdump-workers () sandelman ottawa on ca
> [mailto:owner-tcpdump-workers () sandelman ottawa on ca]On Behalf Of Guy
> Harris
> Sent: lunedi 12 maggio 2003 21.01
> To: Fulvio Risso
> Cc: Gisle Vanem; tcpdump
> Subject: Re: [tcpdump-workers] listing all devs
>
>
> On Mon, May 12, 2003 at 09:14:11AM +0200, Fulvio Risso wrote:
> > >  List all capture files in dir: tcpdump -i file://dir/?
> >
> > This is actually unsupported. It should be a good suggestion.
>
> > However, this is a pain from the implementation point of view, since
> > file listing is platform independent.
>
> (Presumably you meant "platform dependent".)

ehm...


> > SO, your code will have tons of
> > "#define" and this is something I would like to avoid (basically because
> > I'm using only Win32, Linux and BSD, and I'm not able to implement and
> > test the code on other platforms).
>
> Any UNIX so old as not to have "readdir()" isn't likely to be
> interesting for libpcap, so all you have to worry about is Win32 and
> UNIX.
>
> However, the problem then is that to list all capture files you'd have
> to try to open *all* files in the directory and see which ones are
> libpcap-format files - at least on UNIX, there's no guarantee that you
> can determine the file type based purely on the file extension, and, as
> you can move files between UNIX and Windows, there's really no such
> guarantee on Windows, either.

You can always list the entire content of the selected folder.

        fulvio

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