[patch] IS_ABSOLUTE_PATH to handle both DOS and POSIX path st yles

[Eli Zaretskii]

> Date: Mon, 7 Jan 2008 08:16:49 -0500
> From: Daniel Jacobowitz <drow@false.org>
> Cc: dje@google.com, gdb-patches@sources.redhat.com, ARistovski@qnx.com,
> 	gcc-patches@gcc.gnu.org, RMansfield@qnx.com
> 
> On Mon, Jan 07, 2008 at 06:20:29AM +0200, Eli Zaretskii wrote:
> > We must have a way for a user on a Posix system to have file names
> > with `\' or `:'.  It is IMO unacceptable to say that these cases,
> > however corner, are simply not supported.  Other packages, such as
> > Bash, do give you a way of having them, albeit an inconvenient way.
> 
> Can you suggest one that does not break these more common cases?
> 
> Perhaps a tri-state option...

Yes, I still think a user option is the best solution.

Failing that, perhaps some kind of quoting would do.  But I'm afraid
that would require lots of changes to GDB code.