v0.1.2 add ENOTSUP error

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "linux-keyutils"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["landhb <landhb@users.noreply.github.com>"]
 description = """

examples/keyctl.rs

@@ -59,7 +59,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     // Obtain the default User keyring for the current UID/user
     // See [KeyRingIdentifier] and `man 2 keyctl` for more information on default
     // keyrings for processes.
-    let ring = KeyRing::get_persistent(KeyRingIdentifier::User)?;
+    let ring = KeyRing::from_special_id(KeyRingIdentifier::Session, false)?;
 
     _ = match args.subcommand {
         // Add a new key to the keyring
@@ -102,6 +102,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         Command::Invalidate { description } => {
             let key = ring.search(&description)?;
             key.invalidate()?;
+            println!("Removed key with ID {:?}", key.get_id());
         }
     };
 

src/errors.rs

@@ -48,6 +48,9 @@ pub enum KeyError {
     /// An invalid identifier was returned
     InvalidIdentifier,
 
+    /// Operation not supported
+    OperationNotSupported,
+
     /// Unknown - catch all, return this instead of panicing
     Unknown(i32),
 }
@@ -76,6 +79,7 @@ impl KeyError {
             libc::EKEYREJECTED => KeyError::KeyRejected,
             libc::ENOMEM => KeyError::OutOfMemory,
             libc::ENOKEY => KeyError::KeyDoesNotExist,
+            libc::ENOTSUP => KeyError::OperationNotSupported,
 
             // Unknown, provide error code for debugging
             x => KeyError::Unknown(x),