On Wed, Nov 27, 2013 at 04:46:00PM +0100, Ingo Molnar wrote: > > * Peter Zijlstra <[email protected]> wrote: > > > On Wed, Nov 27, 2013 at 04:35:19PM +0100, Ingo Molnar wrote: > > > So why does GCC then behave like this: > > > > I think because its a much saner behaviour; also it might still be the > > spec actually says this, its a somewhat opaque text. > > > > Anyway, yes GCC seems to behave as we 'expect' it to; I just can't find > > the language spec actually guaranteeing this. > > So from C99 standard ยง6.7.8 (Initialization)/21: > > "If there are fewer initializers in a brace-enclosed list than > there are elements or members of an aggregate, or fewer characters > in a string literal used to initialize an array of known size than > there are elements in the array, the remainder of the aggregate > shall be initialized implicitly the same as objects that have static > storage duration." > > static initialization == zeroing in this case.
Hurm for some reason I thought that was for static objects only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
