Messages in this thread | | | Subject | Re: [PATCH] Use more gcc extensions in the Linux headers | From | Nigel Cunningham <> | Date | Sat, 10 Mar 2007 16:19:28 +1100 |
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Hi.
On Fri, 2007-03-09 at 23:03 -0500, Valdis.Kletnieks@vt.edu wrote: > On Sat, 10 Mar 2007 09:57:32 +1100, Rusty Russell said: > > > +/* GCC is awesome. */ > > #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) \ > > + sizeof(typeof(int[1 - 2*!!__builtin_types_compatible_p(typeof(arr), \ > > typeof(&arr[0]))]))*0) > > -/* GCC is awesome. */ > +/* GCC leaves me speechless. */
A speechless Rusty would be horrible. That said, it would be nice if the comment was something more like the normal Rusty pearl of wisdom. I understand the first part, but have no idea was + sizeof(typeof(int[.... does...
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