add a few owned converters

src/cfdp/tlv/mod.rs

@@ -358,7 +358,7 @@ impl EntityIdTlv {
         Ok(Self { entity_id })
     }
 
-    /// Convert to a generic [Tlv], which also erases the programmatic type information.
+    /// Convert to a generic [Tlv], which also erases the type information.
     pub fn to_tlv(self, buf: &mut [u8]) -> Result<Tlv, ByteConversionError> {
         Self::len_check(buf)?;
         self.entity_id
@@ -369,6 +369,11 @@ impl EntityIdTlv {
             _ => panic!("unexpected TLV error"),
         })
     }
+
+    #[cfg(feature = "alloc")]
+    pub fn to_owned(&self) -> TlvOwned {
+        TlvOwned::new(TlvType::EntityId, &self.entity_id.to_vec())
+    }
 }
 
 impl WritableTlv for EntityIdTlv {
@@ -612,6 +617,11 @@ impl<'first_name, 'second_name> FilestoreRequestTlv<'first_name, 'second_name> {
             },
         })
     }
+
+    #[cfg(feature = "alloc")]
+    pub fn to_owned(&self) -> TlvOwned {
+        TlvOwned::new(TlvType::FilestoreRequest, &self.to_vec()[2..])
+    }
 }
 
 impl WritableTlv for FilestoreRequestTlv<'_, '_> {
@@ -797,6 +807,11 @@ impl<'first_name, 'second_name, 'fs_msg> FilestoreResponseTlv<'first_name, 'seco
             filestore_message,
         })
     }
+
+    #[cfg(feature = "alloc")]
+    pub fn to_owned(&self) -> TlvOwned {
+        TlvOwned::new(TlvType::FilestoreResponse, &self.to_vec()[2..])
+    }
 }
 
 impl WritableTlv for FilestoreResponseTlv<'_, '_, '_> {

src/cfdp/tlv/msg_to_user.rs

@@ -1,4 +1,6 @@
 //! Abstractions for the Message to User CFDP TLV subtype.
+#[cfg(feature = "alloc")]
+use super::TlvOwned;
 use super::{GenericTlv, ReadableTlv, Tlv, TlvLvError, TlvType, TlvTypeField, WritableTlv};
 use crate::ByteConversionError;
 use delegate::delegate;
@@ -75,6 +77,11 @@ impl<'data> MsgToUserTlv<'data> {
         }
         Ok(msg_to_user)
     }
+
+    #[cfg(feature = "alloc")]
+    pub fn to_owned(&self) -> TlvOwned {
+        self.tlv.to_owned()
+    }
 }
 
 impl WritableTlv for MsgToUserTlv<'_> {