On Sun, 2009-10-04 at 12:08 +1100, Daniel Stone wrote: > 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 <[email protected]> > > Alan, Matthieu -- is this portable enough?
intptr_t is part of stdint.h in C99, but seems to also be in unistd.h in UNIX98, which is nearly universal by this point unlike C99. I would love love love to see us move entirely to stdint types instead of the mess we've got now. - ajax
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