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Don't die if there is no unique name

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Corey Richardson 2017-05-28 17:25:54 -04:00
parent 3e15ed1f1d
commit 53b4a6d65e
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1 changed files with 8 additions and 4 deletions
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6
src/lib.rs
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@ -722,11 +722,15 @@ impl Device {
dev.phys = Some(CString::new(vec.clone()).unwrap());
}
let uniq_len = unsafe { eviocguniq(fd, vec.as_mut_ptr(), 255) }?;
match unsafe { eviocguniq(fd, vec.as_mut_ptr(), 255) } {
Ok(uniq_len) => {
if uniq_len > 0 {
unsafe { vec.set_len(uniq_len as usize - 1) };
dev.uniq = Some(CString::new(vec.clone()).unwrap());
}
},
Err(_) => { /* it's not essential */ }
}
do_ioctl!(eviocgid(fd, &mut dev.id));
let mut driver_version: i32 = 0;