Warning on Alpha Linux
tv at pobox.com
Sat Jul 19 11:15:47 CDT 2003
On Sat, 19 Jul 2003, Vincent Béron wrote:
: That's an easy one. One an Alpha, sizeof(int) != sizeof(foo *). I think
: sizeof(int) == 8, while sizeof(foo *) == 4.
Other way round. sizeof(int) == 4; sizeof(void *) == 8.
: gcc is kind enough to warn you about this potentially nasty situation,
: although in these particular cases I don't see how putting the pointer
: in something larger will create a problem.
Use intptr_t. If that's not available (via autoconf test), typedef intptr_t
to be "unsigned long" locally, as "long" is the size of a pointer on all
typical ILP32 and LP64 hosts.
-- Todd Vierling <tv at pobox.com>
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