Re: [Qemu-devel] r6677 broke access to physical FDD on Win32

[Luca Tettamanti]

On Sat, Mar 21, 2009 at 12:02 AM, Anthony Liguori <address@hidden> wrote:
> Is "a:" a valid filename in Windows?

No, ":" is not a valid char for a file name.

> Is there a way in Windows to detect
> that a given file is actually a physical device?

: is used for delimiting the mount point; actually the internals are a
bit more complicated (see [1]), stuff like A: or C: are reserved
special names, the "real" device names are \\.\A: or \\.\C: (where
\\.\ is the namespace used for devices).

Luca
http://msdn.microsoft.com/en-us/library/aa365247.aspx#path_names_and_namespaces