[PATCH] Cast small-int values through intptr_t when they're passed as pointers.

[Daniel Stone]

On Fri, Oct 02, 2009 at 01:42:50PM -0700, Jamey Sharp wrote:
> On 64-bit systems, int and pointers don't have the same size, so GCC gives
> warnings about casts between int and pointer types. However, in the cases
> covered by this patch, it's always a value that fits in int being stored
> temporarily as a pointer and then converted back later, which is safe.
> Casting through the pointer-sized integer type intptr_t convinces the
> compiler that this is OK.
> 
> Signed-off-by: Jamey Sharp <jamey at minilop.net>

Alan, Matthieu -- is this portable enough?

Cheers,
Daniel
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