On Fri, 2007-07-13 at 23:47 -0700, Doug Baskins wrote:
> John:
>
> Sorry, I miss-diagnosed the problem,
> the problem cast essentially is:
>
> unsigned long * abc = (void *)(~0UL);
>
> Which means storing a void pointer into a word pointer is illegal.
Implicit conversions FROM void* in C++ are ALL disallowed
(except to void const* of course).
The code is above is a hard error in C++. You must write:
unsigned long * abc = (unsigned long*)(void *)(~0UL);
if you want it to work. This is different to C, C allows
implicit conversions FROM void*.
So this has nothing to do with void*<-->integer casts.
--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net
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