From 46c53a9e8aa032218deb6c6d62d44600575a1663 Mon Sep 17 00:00:00 2001
From: Livio Ribeiro <livioribeiro@outlook.com>
Date: Fri, 25 Sep 2015 16:57:26 -0300
Subject: [PATCH 1/2] Add lua (luajit) to rust example

---
 luajit-to-rust/Cargo.toml   |  8 ++++++++
 luajit-to-rust/Makefile     | 14 ++++++++++++++
 luajit-to-rust/src/lib.rs   |  4 ++++
 luajit-to-rust/src/main.lua | 21 +++++++++++++++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 luajit-to-rust/Cargo.toml
 create mode 100644 luajit-to-rust/Makefile
 create mode 100644 luajit-to-rust/src/lib.rs
 create mode 100644 luajit-to-rust/src/main.lua

diff --git a/luajit-to-rust/Cargo.toml b/luajit-to-rust/Cargo.toml
new file mode 100644
index 0000000..391bc50
--- /dev/null
+++ b/luajit-to-rust/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "luajit-to-rust"
+version = "0.1.0"
+authors = ["Alex Crichton <alex@alexcrichton.com>"]
+
+[lib]
+name = "double_input"
+crate-type = ["dylib"]
diff --git a/luajit-to-rust/Makefile b/luajit-to-rust/Makefile
new file mode 100644
index 0000000..bd944d3
--- /dev/null
+++ b/luajit-to-rust/Makefile
@@ -0,0 +1,14 @@
+ifeq ($(shell uname),Darwin)
+    EXT := dylib
+else
+    EXT := so
+endif
+
+all: target/debug/libdouble_input.$(EXT)
+	luajit src/main.lua
+
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
+	cargo build
+
+clean:
+	rm -rf target
diff --git a/luajit-to-rust/src/lib.rs b/luajit-to-rust/src/lib.rs
new file mode 100644
index 0000000..bf573d1
--- /dev/null
+++ b/luajit-to-rust/src/lib.rs
@@ -0,0 +1,4 @@
+#[no_mangle]
+pub extern fn double_input(input: i32) -> i32 {
+    input * 2
+}
diff --git a/luajit-to-rust/src/main.lua b/luajit-to-rust/src/main.lua
new file mode 100644
index 0000000..2f512ec
--- /dev/null
+++ b/luajit-to-rust/src/main.lua
@@ -0,0 +1,21 @@
+local ffi = require('ffi')
+
+local ext
+
+if ffi.os == 'Linux' then
+    ext = 'so'
+else
+    ext = 'dylib'
+end
+
+ffi.cdef[[
+int32_t double_input(int32_t input);
+]]
+
+local lib = ffi.load('target/debug/libdouble_input.' .. ext)
+local double_input = lib.double_input
+
+local input = 4
+local output = double_input(input)
+
+print(input .. " * 2 = " .. output)

From c07ae5e9f50a79eaeba72b89ddbed07246b2a9a4 Mon Sep 17 00:00:00 2001
From: Livio Ribeiro <livioribeiro@outlook.com>
Date: Fri, 25 Sep 2015 17:11:11 -0300
Subject: [PATCH 2/2] Fix author name in luajit example

---
 luajit-to-rust/Cargo.toml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/luajit-to-rust/Cargo.toml b/luajit-to-rust/Cargo.toml
index 391bc50..679f285 100644
--- a/luajit-to-rust/Cargo.toml
+++ b/luajit-to-rust/Cargo.toml
@@ -1,7 +1,8 @@
 [package]
 name = "luajit-to-rust"
 version = "0.1.0"
-authors = ["Alex Crichton <alex@alexcrichton.com>"]
+# Modified based on python version
+authors = ["Livio Ribeiro <livioribeiro@outlook.com>"]
 
 [lib]
 name = "double_input"