Blind shot a identifying the possible statuses a proxy_get_property could return

Signed-off-by: Alex Snaps <[email protected]>

Author: alexsnaps

src/hostcalls.rs

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 use crate::dispatcher;
+use crate::types::Status::SerializationFailure;
 use crate::types::*;
 use std::ptr::{null, null_mut};
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
@@ -398,12 +399,13 @@ pub fn get_property(path: Vec<&str>) -> Result<Option<Bytes>, Status> {
     let mut return_data: *mut u8 = null_mut();
     let mut return_size: usize = 0;
     unsafe {
-        match proxy_get_property(
+        let status = proxy_get_property(
             serialized_path.as_ptr(),
             serialized_path.len(),
             &mut return_data,
             &mut return_size,
-        ) {
+        );
+        match status {
             Status::Ok => {
                 if !return_data.is_null() {
                     Ok(Some(Vec::from_raw_parts(
@@ -415,8 +417,12 @@ pub fn get_property(path: Vec<&str>) -> Result<Option<Bytes>, Status> {
                     Ok(None)
                 }
             }
-            Status::NotFound => Ok(None),
-            status => Err(status),
+            Status::NotFound | Status::Empty => Ok(None),
+            Status::SerializationFailure
+            | Status::BadArgument
+            | Status::BadExpression
+            | Status::Unimplemented => Err(status),
+            status => panic!("unexpected status: {}", status as u32),
         }
     }
 }