0 or 0L for empty pointers?

[Brad Hards]

On Wednesday 21 June 2006 07:15 am, Michael Buesch wrote:
> sizeof(long)==sizeof(void*) is an assumption in the linux kernel, at least.
> So it is true for all archs which are supported by linux.
I'm not sure you can safely assume that userspace and kernel space are the 
same. I vaguely remember that sparc or mips has 64 bit kernelspace and 32 bit 
userspace.

Brad
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