Re: [Qemu-devel] [PATCH] qapi/string-putput-visitor: fix bugs

[Eric Blake <eblake@redhat.com>]

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On 06/18/2014 09:37 AM, Michael S. Tsirkin wrote:
> in human mode, we are creating the string:
> 
> 16-31 (16-31)
> 
> instead of
> 
> 16-17 (10-1f)
> 
> because we forgot to pass 'true' as the human parameter on one of the
> two calls to format_string.
> Also, this is a worsening of quality; previously we would produce
> 
> 16 (0x10)
> 
> to make it obvious which number was hex.
> Fix these issues.
> 
> Reported-by: Eric Blake <eblake@redhat.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>  qapi/string-output-visitor.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

> 
> diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c
> index 8735b00..e9aca3b 100644
> --- a/qapi/string-output-visitor.c
> +++ b/qapi/string-output-visitor.c
> @@ -98,7 +98,7 @@ static void format_string(StringOutputVisitor *sov, Range *r, bool next,
>  {
>      if (r->end - r->begin > 1) {
>          if (human) {
> -            g_string_append_printf(sov->string, "%" PRIx64 "-%" PRIx64,
> +            g_string_append_printf(sov->string, "0x%" PRIx64 "-%" PRIx64,

The pre-series code used "%#"PRIx64 instead of "0x%"PRIx64; the only
difference is that you now output 0x0 instead of 0 if that happens to be
one of the values of the range.  I personally think "0 (0x0)" is nicer
than the shorter "0 (0)", so I'm okay with it.

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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