Proc macro preparation

simconnect-sdk/src/helpers.rs

@@ -0,0 +1,14 @@
+use std::ffi::CString;
+
+pub fn fixed_c_str_to_string(data: &[i8]) -> String {
+    let u8slice = unsafe { &*(data as *const _ as *const [u8]) };
+
+    let mut value = u8slice.to_vec();
+
+    let pos = value.iter().position(|c| *c == 0).unwrap_or(value.len());
+
+    value.truncate(pos);
+    let icao = unsafe { CString::from_vec_unchecked(value) };
+
+    icao.to_str().unwrap().to_string()
+}