From: FreeBirdLjj <ljj11011@mail.ustc.edu.cn>
Date: Wed, 24 Sep 2014 16:40:02 +0000 (+0800)
Subject: Add macros MAX() and MIN().
X-Git-Url: https://git.danieliu.xyz/?a=commitdiff_plain;h=ae737bc9941ce987558f1c6c58a5714861278b08;p=smdp.git

Add macros MAX() and MIN().
---

diff --git a/include/common.h b/include/common.h
new file mode 100644
index 0000000..23b656c
--- /dev/null
+++ b/include/common.h
@@ -0,0 +1,7 @@
+#if !defined( COMMON_H )
+#define COMMON_H
+
+#define MAX(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a > _b? _a : _b; })
+#define MIN(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a < _b? _a : _b; })
+
+#endif // !defined( COMMON_H )