From: Gerd Hoffmann <kraxel@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: qemu-devel@nongnu.org, Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 2/7] add strify() macros.
Date: Mon, 13 Jul 2009 17:19:03 +0200 [thread overview]
Message-ID: <4A5B5067.8070106@redhat.com> (raw)
In-Reply-To: <4A5B3CB0.7070604@codemonkey.ws>
On 07/13/09 15:54, Anthony Liguori wrote:
> Gerd Hoffmann wrote:
> Could get even fancier with something like:
>
> #define strify_i(a) # a
> #define strify(a) strify_i(a)
>
> #define to_prop(a) __builtin_choose_expr( \
> __builtin_types_compatible_p(typeof(a), const char []), \
> (a), \
> __builtin_choose_expr( \
> __builtin_types_compatible_p(typeof(a), int) || \
> __builtin_types_compatible_p(typeof(a), double), \
> strify(a), \
> (int *)0))
>
> It should be possible to use to_prop() for any property initializer.
Hmm? This is how related to properties? To me it looks just like a
stringify version which accepts strings too and does nothing for them.
Not sure why this would be useful ...
cheers,
Gerd
next prev parent reply other threads:[~2009-07-13 15:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-13 9:40 [Qemu-devel] [PATCH v2 0/7] qdev: compat properties Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 1/7] cleanup: drop unused struct elements from VirtIOPCIProxy Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 2/7] add strify() macros Gerd Hoffmann
2009-07-13 13:54 ` Anthony Liguori
2009-07-13 14:59 ` Blue Swirl
2009-07-13 15:08 ` Anthony Liguori
2009-07-13 15:15 ` Gerd Hoffmann
2009-07-13 15:18 ` [Qemu-devel] " Måns Rullgård
2009-07-13 15:19 ` Gerd Hoffmann [this message]
2009-07-13 9:40 ` [Qemu-devel] [PATCH 3/7] qdev/compat: compat property infrastructure Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 4/7] qdev/compat: add pc-0.10 machine type Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 5/7] qdev/compat: virtio-blk-pci 0.10 compatibility Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 6/7] qdev/compat: virtio-balloon-pci " Gerd Hoffmann
2009-07-13 9:40 ` [Qemu-devel] [PATCH 7/7] qdev/compat: virtio-net-pci " Gerd Hoffmann
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