Adding a macro to give structure to the linking of external libraries.

src/lib.rs

@@ -24,6 +24,9 @@ mod c_types;
 // Raw platform data retrieval.
 mod raw;
 
+// Macros to help create bindings to FFI libraries.
+mod macros;
+
 
 
 pub use self::c_types::{CChar, CUChar};

src/macros.rs

@@ -0,0 +1,31 @@
+#[macro_export]
+macro_rules! external_library
+{
+   {
+      $name: ident : $link: ident
+      {
+         $(statics:
+            $($sname: ident: $stype: ty),+;
+         )|*
+
+         $(functions:
+            $($fname: ident($($farg: ty),*) -> $fret:ty),+;
+         )|*
+
+         $(varargs:
+            $($vname: ident($($vargs: ty),+) -> $vret: ty),+;
+         )|*
+      }
+   } =>
+   {
+      #[link(name=$link)]
+      extern "C"
+      {
+         $($(pub static $sname: $stype;)+)*
+
+         $($(pub fn $fname($(_: $farg),*) -> $fret;)+)*
+
+         $($(pub fn $vname($(_: $vargs),+ , ...) -> $vret;)+)*
+      }
+   }
+}