Re: [Qemu-devel] Re: [PATCH 10/14] Zero json struct with memset() instea of = {} to keep compiler happy.

[Nathan Froyd]

On Mon, Aug 30, 2010 at 10:48:55AM -0500, Anthony Liguori wrote:
> No, this is GCC being stupid.
>
> How else do you terminate a list?  IOW:
>
> MyDeviceInfo device_infos[] = {
>   {"foo", 0, 2},
>   {"bar", 0, 1},
>   {} /* or { 0 } */
> };
>
> This is such a pervasive idiom that there's simply no way that GCC can  
> possibly try to warn against this.  Plus, it's entirely reasonable.
>
> I think this is just a false positive in GCC.  Otherwise, there's a ton  
> of code that it should be throwing warnings against.

Well, it sounds like Jes was compiling QEMU was extra warning flags, and
I doubt people do much beyond -Wall and maybe one or two others.

I could see petitioning GCC to only complain if -pedantic.

-Nathan