On Wed, 7 Jan 2026 14:05:32 GMT, Maurizio Cimadamore <[email protected]> wrote:
>> I haven't tried (not my machine), but it's undefined behavior. There's no >> guarantee that `getpwuid_r` does what we expect. We should never use >> undefined behavior. Also note that not only AIX is affected. > >> It's unfortunate that the FFM doesn't provide a good abstraction for passing >> `uint32_t`. Maybe we should implement an enhancement? > > Indeed, the status quo with respect to unsigned values passed to downcalls is > a bit suboptimal, esp. in certain ABIs where sign/zero extension is required. > This is tracked here: > > https://bugs.openjdk.org/browse/JDK-8336664 > > (apologies -- this link was already shared by @dmlloyd ) Should we use the workaround I have proposed above until a better solution for [JDK-8336664](https://bugs.openjdk.org/browse/JDK-8336664) is available? Or are there other suggestions? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/28931#discussion_r2681912656
