netdev - [PATCH iproute2-next 2/9] utils: add max() definition

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Date:   Mon,  3 Apr 2023 13:52:38 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     netdev@...r.kernel.org
Cc:     David Ahern <dsahern@...nel.org>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next 2/9] utils: add max() definition

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

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 include/utils.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/utils.h b/include/utils.h
index 2eb80b3e487c..0f1b3bef34d8 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))))
-- 
2.34.1