openpgp-ffi: Implement From<Fallible<T>> for Status.

1 files changed, 9 insertions, 0 deletions

diff --git a/openpgp-ffi/src/error.rs b/openpgp-ffi/src/error.rs
index f4d2f5b5..07b79a77 100644
--- a/openpgp-ffi/src/error.rs
+++ b/openpgp-ffi/src/error.rs
@@ -16,6 +16,15 @@ use RefRaw;
 #[::ffi_wrapper_type(prefix = "pgp_", derive = "Display")]
 pub struct Error(failure::Error);
 
+impl<T> From<failure::Fallible<T>> for Status {
+    fn from(f: failure::Fallible<T>) -> ::error::Status {
+        match f {
+            Ok(_) =>  ::error::Status::Success,
+            Err(e) => ::error::Status::from(&e),
+        }
+    }
+}
+
 impl ::MoveResultIntoRaw<::error::Status> for ::failure::Fallible<()>
 {
     fn move_into_raw(self, errp: Option<&mut *mut ::error::Error>)