Re: [Xen-devel] [PATCH for-4.5] tools/libxl: Fix building against libxl for LIBXL_API_VERSION < 0x040500

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Oct 17, 2014 at 09:56:19AM +0100, Andrew Cooper wrote:
> c/s 6276f66ebe "libxl: libxl_uuid_copy now takes a ctx argument" introduces
> API compatibiltiy for libxl_uuid_copy() which sadly is not valid C.  Fix it.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> CC: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

> ---
>  tools/libxl/libxl_uuid.h |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/libxl/libxl_uuid.h b/tools/libxl/libxl_uuid.h
> index 196b5bc..c5041c7 100644
> --- a/tools/libxl/libxl_uuid.h
> +++ b/tools/libxl/libxl_uuid.h
> @@ -61,7 +61,12 @@ int libxl_uuid_from_string(libxl_uuid *uuid, const char 
> *in);
>  void libxl_uuid_copy(libxl_ctx *ctx_opt, libxl_uuid *dst,
>                       const libxl_uuid *src);
>  #if defined(LIBXL_API_VERSION) && LIBXL_API_VERSION < 0x040500
> -void libxl_uuid_copy(dst, src) libxl_uuid_copy(NULL, dst, src)
> +void static inline libxl_uuid_copy_0x040400(libxl_uuid *dst,
> +                                            const libxl_uuid *src)
> +{
> +    libxl_uuid_copy(NULL, dst, src);
> +}
> +#define libxl_uuid_copy libxl_uuid_copy_0x040400
>  #endif
>  
>  void libxl_uuid_clear(libxl_uuid *uuid);
> -- 
> 1.7.10.4

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