From 94c6b2eec52f7ba1d98924c25ff166e062e5656a Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Wed, 28 Sep 2022 15:21:11 +0200
Subject: [PATCH] add attribute(__pure__)

---
 2019/include/br.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/2019/include/br.h b/2019/include/br.h
index 30110e6..5036d33 100644
--- a/2019/include/br.h
+++ b/2019/include/br.h
@@ -30,7 +30,6 @@
 #define ___PASTE(x, y)      x##y
 #define __PASTE(x, y)       ___PASTE(x, y)
 #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
-//__##prefix##__COUNTER__
 
 /* see https://lkml.org/lkml/2018/3/20/845 for explanation of this monster
  */
@@ -70,6 +69,8 @@
 		__cmp(x, y, op), \
 		__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
 
+#define __pure   __attribute__((__pure__))
+
 /**
  * min - return minimum of two values of the same or compatible types
  * @x: first value