From 5dc881a35905acd3b0092bff20778731200783e1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Thu, 22 Nov 2018 10:56:43 +0100
Subject: [PATCH] basic/log: add note about operator precendence

---
 src/basic/log.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/basic/log.h b/src/basic/log.h
index af01f50952f..17438d7ff7e 100644
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -36,6 +36,7 @@ typedef enum LogTarget{
         _LOG_TARGET_INVALID = -1
 } LogTarget;
 
+/* Note to readers: << and >> have lower precedence than & and | */
 #define LOG_REALM_PLUS_LEVEL(realm, level)  ((realm) << 10 | (level))
 #define LOG_REALM_REMOVE_LEVEL(realm_level) ((realm_level) >> 10)
 #define SYNTHETIC_ERRNO(num)                (1 << 30 | (num))
-- 
2.47.3