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#[derive(Debug)]
pub struct DynLib {
inner: libloading::Library,
}
impl DynLib {
pub unsafe fn new<P>(filename: P) -> Result<Self, libloading::Error>
where
P: AsRef<std::ffi::OsStr>,
{
unsafe { libloading::Library::new(filename) }.map(|inner| Self { inner })
}
pub unsafe fn get<T>(
&self,
symbol: &[u8],
) -> Result<libloading::Symbol<'_, T>, crate::DeviceError> {
unsafe { self.inner.get(symbol) }.map_err(|e| match e {
libloading::Error::GetProcAddress { .. } | libloading::Error::GetProcAddressUnknown => {
crate::DeviceError::Unexpected
}
libloading::Error::IncompatibleSize
| libloading::Error::CreateCString { .. }
| libloading::Error::CreateCStringWithTrailing { .. } => crate::hal_internal_error(e),
_ => crate::DeviceError::Unexpected, // could be unreachable!() but we prefer to be more robust
})
}
}