From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 23 Feb 2021 07:45:21 +0000 (+0100)
Subject: macro: add min() macro
X-Git-Tag: lxc-5.0.0~273^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1feaf29447c061b868d2c49644f0877b601f97e;p=thirdparty%2Flxc.git

macro: add min() macro

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/macro.h b/src/lxc/macro.h
index 604b329e3..c33480cc7 100644
--- a/src/lxc/macro.h
+++ b/src/lxc/macro.h
@@ -737,4 +737,12 @@ static inline int PTR_RET(const void *ptr)
 		return 0;
 }
 
+#define min(x, y)                              \
+	({                                     \
+		typeof(x) _min1 = (x);         \
+		typeof(y) _min2 = (y);         \
+		(void)(&_min1 == &_min2);      \
+		_min1 < _min2 ? _min1 : _min2; \
+	})
+
 #endif /* __LXC_MACRO_H */