4 files changed, 39 insertions, 8 deletions

diff --git a/dome_key_map.h b/dome_key_map.h
index 88909f0..af7a102 100644
--- a/dome_key_map.h
+++ b/dome_key_map.h
@@ -24,6 +24,7 @@ typedef struct State State;
 typedef struct {
   bool reload;
   bool daemon;
+  char *license;
 } Args;
 
 typedef uint16_t Milliseconds;
diff --git a/src/cocoa_bridge.rs b/src/cocoa_bridge.rs
index 7b707de..cd1dafa 100644
--- a/src/cocoa_bridge.rs
+++ b/src/cocoa_bridge.rs
@@ -346,7 +346,10 @@ pub extern "C" fn config_get() -> *mut Config {
 #[no_mangle]
 pub extern "C" fn config_free(ptr: *mut Config) {
     if ptr.is_null() { return }
-    unsafe { Box::from_raw(ptr); }
+    let config = unsafe { Box::from_raw(ptr) };
+
+    if config.args.license.is_null() { return }
+    unsafe { CString::from_raw(config.args.license); }
 }
 
 
diff --git a/src/config.rs b/src/config.rs
index feaf578..b4cab10 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,18 +1,32 @@
+use std::ffi::CString;
 use std::fs;
+use std::ptr;
 
+use libc::c_char;
 use getopts::Options;
 use toml;
 use xdg;
 
 use errors::*;
+use prefix_println;
 
 type Milliseconds = u16;
 
 #[repr(C)]
-#[derive(Default)]
-struct Args {
-    reload: bool,
-    daemon: bool,
+pub struct Args {
+    pub reload: bool,
+    pub daemon: bool,
+    pub license: *mut c_char,
+}
+
+impl Default for Args {
+    fn default() -> Self {
+        Args {
+            reload: false,
+            daemon: false,
+            license: ptr::null_mut(),
+        }
+    }
 }
 
 #[repr(C)]
@@ -20,8 +34,8 @@ struct Args {
 #[serde(default)]
 pub struct Config {
     #[serde(skip)]
-    args: Args,
-    timeout: Milliseconds,
+    pub args: Args,
+    pub timeout: Milliseconds,
 }
 
 impl Default for Config {
@@ -43,6 +57,12 @@ pub fn parse_args<'a>(args: &[String], config: &'a mut Config) -> &'a mut Config
 
     opts.optflag("d", "daemon", "run the daemon in the current shell");
     opts.optflag("r", "reload-mappings", "reload the mappings file");
+    opts.optopt(
+        "",
+        "license",
+        "register the software using a license plist file",
+        "FILE"
+    );
     opts.optflag("h", "help", "print this help menu");
 
     let matches = match opts.parse(&args[1..]) {
@@ -59,6 +79,11 @@ pub fn parse_args<'a>(args: &[String], config: &'a mut Config) -> &'a mut Config
         config.args.reload = true;
     } else if matches.opt_present("d") {
         config.args.daemon = true;
+    } else if let Some(license_path) = matches.opt_str("license") {
+        match CString::new(license_path) {
+            Ok(str) => config.args.license = str.into_raw(),
+            Err(e) => dkeprintln!("{}", e),
+        }
     } else {
         print_usage(opts);
     }
diff --git a/src/lib.rs b/src/lib.rs
index 6a08e4b..1e0daa6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -31,13 +31,15 @@ extern crate stderrlog;
 extern crate toml;
 extern crate xdg;
 
+#[macro_use]
+mod prefix_println;
+
 mod autopilot_internal;
 mod cocoa_bridge;
 mod config;
 mod errors;
 mod key_code;
 mod parser;
-mod prefix_println;
 mod trial;
 
 use parser::{Action, HeadphoneButton, MapAction, MapGroup, MapKind};