Re: [Xen-devel] [PATCH v4 03/11] public: xen.h: add definitions for UUID handling

[Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>]

Hello Jan

On 23.08.17 11:10, Jan Beulich wrote:
> > > > On 22.08.17 at 16:37, <volodymyr_babchuk@xxxxxxxx> wrote:
> > I can't see why you want to map UUID to a certain structure.
> This is so that the type cannot mistakenly be passed to a function
> taking unsigned char *, or be assigned to a variable of that type.
Right, I see the point there.

> Please see our TYPE_SAFE() macro which we use to specifically
> enclose certain scalar types in a structure to that they won't be
> compatible with other types deriving from the same scalar base type.
I see. So what about

struct xen_uuid_t
{
     uint8_t a[16];
};

then?

One can convert it to union with different representations (array, 
RFC4122 struct, etc) later if there will be need for this.
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