On Tue, 2016-05-24 at 10:44 -0400, Frediano Ziglio wrote:
> >
> > On Tue, May 24, 2016 at 10:52:59AM +0100, Frediano Ziglio wrote:
> > > This was proposed by Christophe as improvement over some typesafe
> > > patches.
> > >
> > > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > > ---
> > > server/char-device.c | 2 +-
> > > server/cursor-channel.c | 6 +++---
> > > server/dcc-encoders.c | 2 +-
> > > server/dcc-send.c | 14 +++++++-------
> > > server/dcc.c | 2 +-
> > > server/display-channel.c | 4 ++--
> > > server/display-channel.h | 2 +-
> > > server/image-cache.c | 4 ++--
> > > server/inputs-channel.c | 6 +++---
> > > server/main-channel-client.c | 22 +++++++++++-----------
> > > server/pixmap-cache.c | 2 +-
> > > server/red-channel.c | 4 ++--
> > > server/red-common.h | 4 ++++
> > > server/red-record-qxl.c | 2 +-
> > > server/reds.c | 2 +-
> > > server/smartcard.c | 6 +++---
> > > server/spicevmc.c | 6 +++---
> > > server/stream.c | 6 +++---
> > > server/tree.h | 6 +++---
> > > 19 files changed, 53 insertions(+), 49 deletions(-)
> > >
> > > diff --git a/server/char-device.c b/server/char-device.c
> > > index 4a6e4c8..cb35aa2 100644
> > > --- a/server/char-device.c
> > > +++ b/server/char-device.c
> > > @@ -1002,7 +1002,7 @@ SpiceServer*
> > > red_char_device_get_server(RedCharDevice
> > > *dev)
> > >
> > > SpiceCharDeviceInterface
> > > *spice_char_device_get_interface(SpiceCharDeviceInstance *instance)
> > > {
> > > - return SPICE_CONTAINEROF(instance->base.sif, SpiceCharDeviceInterface,
> > > base);
> > > + return SPICE_UPCAST(SpiceCharDeviceInterface, instance->base.sif);
> > > }
> > >
> > >
> > > diff --git a/server/cursor-channel.c b/server/cursor-channel.c
> > > index 23a8cb8..2869b11 100644
> > > --- a/server/cursor-channel.c
> > > +++ b/server/cursor-channel.c
> > > @@ -208,7 +208,7 @@ static void cursor_pipe_item_free(RedPipeItem *base)
> > > {
> > > spice_return_if_fail(base);
> > >
> > > - RedCursorPipeItem *pipe_item = SPICE_CONTAINEROF(base,
> > > RedCursorPipeItem, base);
> > > + RedCursorPipeItem *pipe_item = SPICE_UPCAST(RedCursorPipeItem, base);
> >
> > Totally unrelated to this patch, and no need to send patches to change
> > this now, but in general, I think RedPipeItem *pipe_item; and
> > RedCursorPipeItem *cursor_item; are slightly more descriptive.
> >
> > >
> > > spice_assert(!red_pipe_item_is_linked(&pipe_item->base));
> > >
> > > @@ -318,13 +318,13 @@ static void
> > > cursor_channel_send_item(RedChannelClient
> > > *rcc, RedPipeItem *pipe_it
> > >
> > > switch (pipe_item->type) {
> > > case RED_PIPE_ITEM_TYPE_CURSOR:
> > > - cursor_marshall(rcc, m, SPICE_CONTAINEROF(pipe_item,
> > > RedCursorPipeItem, base));
> > > + cursor_marshall(rcc, m, SPICE_UPCAST(RedCursorPipeItem,
> > > pipe_item));
> > > break;
> > > case RED_PIPE_ITEM_TYPE_INVAL_ONE:
> > > red_marshall_inval(rcc, m, SPICE_CONTAINEROF(pipe_item,
> > > RedCacheItem, u.pipe_data));
> >
> > I think this one could be changed too?
> >
>
> No, the macro is based on a "base" field. Also the RedCacheItem is
> a weird beast that is sometimes a cache item and sometimes a pipe
> item, like some frogs that can change sex based on needs.
haha. Nice analogy. Perhaps add a comment explaining that?
>
> >
> > Acked-by: Christophe Fergeau <cfergeau@xxxxxxxxxx>
> > assuming others are good with SPICE_UPCAST too.
Looks OK to me. I find this macro more readable than the SPICE_CONTAINEROF one.
> >
> > Christophe
> >
>
> Frediano
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