Add a generic Ref type

1 files changed, 39 insertions, 0 deletions

diff --git a/openssl/src/lib.rs b/openssl/src/lib.rs
index f335c097..8fa53f3b 100644
--- a/openssl/src/lib.rs
+++ b/openssl/src/lib.rs
@@ -20,6 +20,44 @@ use libc::c_int;
 
 use error::ErrorStack;
 
+macro_rules! type_ {
+    ($n:ident, $c:path, $d:path) => {
+        pub struct $n(*mut $c);
+
+        unsafe impl ::types::OpenSslType for $n {
+            type CType = $c;
+
+            unsafe fn from_ptr(ptr: *mut $c) -> $n {
+                $n(ptr)
+            }
+
+            fn as_ptr(&self) -> *mut $c {
+                self.0
+            }
+        }
+
+        impl Drop for $n {
+            fn drop(&mut self) {
+                unsafe { $d(self.0) }
+            }
+        }
+
+        impl ::std::ops::Deref for $n {
+            type Target = ::types::Ref<$n>;
+
+            fn deref(&self) -> &::types::Ref<$n> {
+                unsafe { ::types::Ref::from_ptr(self.0) }
+            }
+        }
+
+        impl ::std::ops::DerefMut for $n {
+            fn deref_mut(&mut self) -> &mut ::types::Ref<$n> {
+                unsafe { ::types::Ref::from_ptr_mut(self.0) }
+            }
+        }
+    }
+}
+
 mod bio;
 mod opaque;
 mod util;
@@ -37,6 +75,7 @@ pub mod pkcs12;
 pub mod pkcs5;
 pub mod pkey;
 pub mod rand;
+pub mod types;
 pub mod rsa;
 pub mod sign;
 pub mod ssl;