Re: [Qemu-devel] [PATCH] hw/block/xen: use proper format string for printing sectors

[Paul Durrant <Paul.Durrant@citrix.com>]

> -----Original Message-----
> From: Alex Bennée [mailto:alex.bennee@linaro.org]
> Sent: 16 January 2019 12:14
> To: peter.maydell@linaro.org
> Cc: qemu-devel@nongnu.org; Alex Bennée <alex.bennee@linaro.org>; Stefano
> Stabellini <sstabellini@kernel.org>; Anthony Perard
> <anthony.perard@citrix.com>; Paul Durrant <Paul.Durrant@citrix.com>; Kevin
> Wolf <kwolf@redhat.com>; Max Reitz <mreitz@redhat.com>; open list:X86
> <xen-devel@lists.xenproject.org>; open list:Block layer core <qemu-
> block@nongnu.org>
> Subject: [PATCH] hw/block/xen: use proper format string for printing
> sectors
> 
> The %lu format string is different depending on the host architecture
> which causes builds like the debian-armhf-cross build to fail. Use the
> correct PRi64 format string.
> 
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

This does the same thing as "xen: Fix format string" from Philippe, but this variant is better...

Reviewed-by: Paul Durrant <paul.durrant@citrix.com>

> ---
>  hw/block/xen-block.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
> index be28b63442..a636487b3e 100644
> --- a/hw/block/xen-block.c
> +++ b/hw/block/xen-block.c
> @@ -215,7 +215,7 @@ static void xen_block_realize(XenDevice *xendev, Error
> **errp)
> 
>      xen_device_backend_printf(xendev, "sector-size", "%u",
>                                conf->logical_block_size);
> -    xen_device_backend_printf(xendev, "sectors", "%lu",
> +    xen_device_backend_printf(xendev, "sectors", "%"PRIi64,
>                                blk_getlength(conf->blk) /
>                                conf->logical_block_size);
> 
> --
> 2.17.1