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AIX: Only test addresses that are multiples of the size of cmsghdr #4916

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Merged
tgross35 merged 1 commit into from
Jan 6, 2026
Merged

AIX: Only test addresses that are multiples of the size of cmsghdr #4916

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8 changes: 8 additions & 0 deletions libc-test/tests/cmsg.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,14 @@ mod t {
mhdr.msg_controllen = (160 - trunc) as _;

for cmsg_payload_len in 0..64 {
// AIX does not apply any alignment or padding to ancillary
// data and CMSG_ALIGN() is a noop. So only test addresses
// that are multiples of the size of cmsghdr here.
if cfg!(target_os = "aix") && cmsg_payload_len % std::mem::size_of::<cmsghdr>() != 0
{
continue;
}

let mut current_cmsghdr_ptr = pcmsghdr;
assert!(!current_cmsghdr_ptr.is_null());
let mut count = 0;
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