From 9e1fee89addc952b277ab00cd9252431baa107c2 Mon Sep 17 00:00:00 2001
From: Jason Travis Smith <Myrddin@CyberMagesLLC.com>
Date: Mon, 24 Jun 2019 21:04:52 -0400
Subject: [PATCH] Adding a macro to give structure to the linking of external
 libraries.

---
 src/lib.rs    |  3 +++
 src/macros.rs | 31 +++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 src/macros.rs

diff --git a/src/lib.rs b/src/lib.rs
index cd4d6df..5d30f58 100644
--- a/src/lib.rs
+++ b/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};
diff --git a/src/macros.rs b/src/macros.rs
new file mode 100644
index 0000000..b830171
--- /dev/null
+++ b/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;)+)*
+      }
+   }
+}