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When casting between a pointer and an integer of a different size, GCC emits a warning (which is escalated to a build failure by -Werror). Indeed, if what you start with is a pointer, which you then cast to a shorter integer and then back again, you're going to cut off some bits of the pointer. But if you start with an integer (such as mach_port_t), then cast it to a longer pointer (void *), and then back to a shorter integer, you are fine. To keep GCC happy, cast through an intermediary uintptr_t, which is always the same size as a pointer. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230212111044.610942-4-bugaevc@gmail.com> |
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| fd.h | ||
| id.h | ||
| ioctl.h | ||
| lookup.h | ||
| port.h | ||
| resource.h | ||
| signal.h | ||
| sigpreempt.h | ||
| threadvar.h | ||
| userlink.h | ||
| xattr.h | ||