From f0a87e4f7f5377498960429e96be5dff183c8326 Mon Sep 17 00:00:00 2001
From: Ben Longbons <b.r.longbons@gmail.com>
Date: Wed, 9 Jan 2013 00:18:53 -0800
Subject: Make incoming packets read-only

---
 src/common/timer.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/common/timer.hpp')

diff --git a/src/common/timer.hpp b/src/common/timer.hpp
index fc4f8cb..db4dedd 100644
--- a/src/common/timer.hpp
+++ b/src/common/timer.hpp
@@ -10,9 +10,13 @@ enum TIMER_TYPE
     TIMER_INTERVAL,
 };
 /// This is needed to produce a signed result when 2 ticks are subtracted
-# define DIFF_TICK(a,b) ((int32_t)((a)-(b)))
+inline
+int32_t DIFF_TICK(int32_t a, int32_t b)
+{
+    return a - b;
+}
 
-// TODO replace with signed 64-bit to make code more clear and protect from the future
+// TODO replace with std::chrono::time_point and std::chrono::duration
 typedef uint32_t tick_t;
 typedef uint32_t interval_t;
 typedef uint32_t timer_id;
-- 
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