From 8f5b9ece19696e9d899ff11ed230981ab8b8ef7e Mon Sep 17 00:00:00 2001
From: Gergely Nagy <algernon@madhouse-project.org>
Date: Mon, 26 Dec 2016 11:02:11 +0100
Subject: [PATCH] Add a sentinel attribute to Keyboardio.use()

Makes it obvious when one forgets to close the arguments with a sentinel, by
giving the compiler a hint.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
---
 src/KeyboardioFirmware.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/KeyboardioFirmware.h b/src/KeyboardioFirmware.h
index 6ab0ddeb..bab6dd12 100644
--- a/src/KeyboardioFirmware.h
+++ b/src/KeyboardioFirmware.h
@@ -40,7 +40,7 @@ class Keyboardio_ {
 
     void setup(const byte keymap_count);
     void loop(void);
-    void use(KeyboardioPlugin *plugin, ...);
+    void use(KeyboardioPlugin *plugin, ...) __attribute__((sentinel));
 };
 
 static Keyboardio_ Keyboardio;