[Spice-devel] [spice-protocol PATCH v2 03/10] macros: new define to help with aligment warnings

[Christophe Fergeau]

I think I'd change the shortlog to
"macros: add macros to help deal with aligment warnings"
or something like that

Christophe

On Fri, Aug 14, 2015 at 06:24:24PM +0200, Victor Toso wrote:
> and also to help track possible alignment issues.
> ---
>  spice/macros.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/spice/macros.h b/spice/macros.h
> index feac557..463c137 100644
> --- a/spice/macros.h
> +++ b/spice/macros.h
> @@ -423,4 +423,10 @@
>      ((uint32_t)((s[3]&0xffu)|((s[2]&0xffu)<<8)|((s[1]&0xffu)<<16)|((s[0]&0xffu)<<24)))
>  #endif
>  
> +/* Compiler may complain about alignment which could be a false-posive
> + * or could be true and problematic depending on the architecture. The
> + * defines below intend to help track such situations */
> +#define SPICE_ALIGNED_CAST(type, ptr)   ((type*)(void*)(ptr))
> +#define SPICE_UNALIGNED_CAST            SPICE_ALIGNED_CAST
> +
>  #endif /* _H_SPICE_MACROS */
> -- 
> 2.4.3
> 
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