Re: [Qemu-devel] [PATCH] hw/qxl.c: Fix compilation failures on 32 bit hosts

[Stefan Weil <sw@weilnetz.de>]

Am 16.03.2012 14:50, schrieb Peter Maydell:
> Fix compilation failures on 32 bit hosts (cast from pointer to
> integer of different size; %ld expects 'long int' not uint64_t).
>
> Reported-by: Steve Langasek<steve.langasek@canonical.com>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   hw/qxl.c |   16 ++++++++--------
>   1 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/hw/qxl.c b/hw/qxl.c
> index e17b0e3..47dc383 100644
> --- a/hw/qxl.c
> +++ b/hw/qxl.c
> @@ -149,7 +149,7 @@ void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
>       } else {
>           assert(cookie != NULL);
>           spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
> -                                    clear_dirty_region, (uint64_t)cookie);
> +                                    clear_dirty_region, (uintptr_t)cookie);
>       }
>   }
>
> @@ -171,7 +171,7 @@ static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
>           cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
>                                   QXL_IO_DESTROY_SURFACE_ASYNC);
>           cookie->u.surface_id = id;
> -        spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uint64_t)cookie);
> +        spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
>       } else {
>           qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id);
>           qxl_spice_destroy_surface_wait_complete(qxl, id);
> @@ -181,8 +181,8 @@ static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
>   static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
>   {
>       spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
> -        (uint64_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
> -                                 QXL_IO_FLUSH_SURFACES_ASYNC));
> +        (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
> +                                  QXL_IO_FLUSH_SURFACES_ASYNC));
>   }
>
>   void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
> @@ -213,8 +213,8 @@ static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
>   {
>       if (async) {
>           spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
> -                (uint64_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
> -                                         QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
> +                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
> +                                          QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
>       } else {
>           qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker);
>           qxl_spice_destroy_surfaces_complete(qxl);
> @@ -743,7 +743,7 @@ static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
>       }
>       if (cookie&&  current_async != cookie->io) {
>           fprintf(stderr,
> -                "qxl: %s: error: current_async = %d != %ld = cookie->io\n",
> +                "qxl: %s: error: current_async = %d != %" PRId64 " = cookie->io\n",
>                   __func__, current_async, cookie->io);
>    

current_async is uint32_t,  so maybe you can also replace %d by %" PRIu32 ".
Is io unsigned (I don't have the headers, but think it is)? Then PRIu64
would be better.

With these modifications you may add

Reviewed-by: Stefan Weil <sw@weilnetz.de>

Cheers,
Stefan

>       }
>       switch (current_async) {
> @@ -812,7 +812,7 @@ static void interface_update_area_complete(QXLInstance *sin,
>   static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
>   {
>       PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
> -    QXLCookie *cookie = (QXLCookie *)cookie_token;
> +    QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
>
>       switch (cookie->type) {
>       case QXL_COOKIE_TYPE_IO:
>