Re: [Xen-devel] sizeof(long) different under windows x64 and linux x64

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

I doubt anyone printf's hypercall struct fields directly. If they do, we can
provide a suitable PRIxxx macro. Yeah, they're a bit ugly but it's the right
answer to this problem. We use PRIxxx macros extensively in Xen code
already.

 -- Keir

On 23/1/08 20:41, "Chris Morrow" <cmorrow@xxxxxxxxxxxxxx> wrote:

> Andy Grover wrote:
> 
>> I think it's very hard to be LP64/LLP64-clean without actual testing on
>> both.
> 
> Printf format statements need to reflect whether the 64 bit type is a
> long or a long long.
> 
> uintptr_t foo
> printf("%lx", foo) or printf("%llx", foo);
> 
> This can be a pain to resolve. /usr/include/inttypes.h has defines that
> are supposed to help with this, but they are ugly to use.



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