From: Vladimir Oltean <vladimir.oltean@nxp.com>
Date: Tue, 18 Apr 2023 11:39:51 +0000 (+0300)
Subject: utils: add max() definition
X-Git-Tag: v6.4.0~41^2~2^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1865a60871fb44b842fb758172648b24dfc37394;p=thirdparty%2Fiproute2.git

utils: add max() definition

There is already a min() definition, add this below it.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---

diff --git a/include/utils.h b/include/utils.h
index 2eb80b3e4..0f1b3bef3 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -284,6 +284,14 @@ unsigned int print_name_and_link(const char *fmt,
 	_min1 < _min2 ? _min1 : _min2; })
 #endif
 
+#ifndef max
+# define max(x, y) ({			\
+	typeof(x) _max1 = (x);		\
+	typeof(y) _max2 = (y);		\
+	(void) (&_max1 == &_max2);	\
+	_max1 < _max2 ? _max2 : _max1; })
+#endif
+
 #ifndef __check_format_string
 # define __check_format_string(pos_str, pos_args) \
 	__attribute__ ((format (printf, (pos_str), (pos_args))))