From 0a7d0caf7bb26a4117f7b87c432986f5feb1cc97 Mon Sep 17 00:00:00 2001
From: Jamie Bullock <jamie@jamiebullock.com>
Date: Fri, 5 Oct 2018 09:37:09 +0100
Subject: [PATCH] Define MIN macro if undefined

---
 ringbuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ringbuf.c b/ringbuf.c
index b18ddb6..d30c5e4 100644
--- a/ringbuf.c
+++ b/ringbuf.c
@@ -23,6 +23,9 @@
 #include <sys/param.h>
 #include <assert.h>
 
+#ifndef MIN
+#define MIN(x,y) ((x)>(y)?(y):(x))
+#endif
 /*
  * The code is written for clarity, not cleverness or performance, and
  * contains many assert()s to enforce invariant assumptions and catch