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Gracefully handle missing ioctl on kernel 2.6.x #177

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Merged
jeff-hiner merged 3 commits into from
May 26, 2026
Merged

Gracefully handle missing ioctl on kernel 2.6.x #177

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02867e0
Gracefully handle missing ioctl on kernel 2.6.x
jiggak May 25, 2026
bf54bd2
style: apply `cargo fmt`
jiggak May 26, 2026
3fe2059
style: remove unecessary guard
jiggak May 26, 2026
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13 changes: 10 additions & 3 deletions src/raw_stream.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -139,9 +139,16 @@ impl RawDevice {

let props = {
let mut props = AttributeSet::<PropType>::new();
unsafe { sys::eviocgprop(fd.as_raw_fd(), props.as_mut_raw_slice())? };
props
}; // FIXME: handle old kernel

match unsafe { sys::eviocgprop(fd.as_raw_fd(), props.as_mut_raw_slice()) } {
Ok(_) => props,

// Kernel 2.6.x does not implement this ioctl, return empty props
Err(nix::errno::Errno::EINVAL) => props,

Err(e) => return Err(e.into()),
}
};

let supported_keys = if ty.contains(EventType::KEY) {
let mut keys = AttributeSet::<KeyCode>::new();
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