From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Thu, 22 Nov 2018 14:05:23 +0000 (+0100)
Subject: lib/utils kr_log_trace_enabled(): optimize for false
X-Git-Tag: v3.2.0~25^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c4c17f87ea7bca91ded1f10a490d51fe33d31d34;p=thirdparty%2Fknot-resolver.git

lib/utils kr_log_trace_enabled(): optimize for false
---

diff --git a/lib/utils.h b/lib/utils.h
index 22f02d14d..41bb8b9e4 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -59,7 +59,9 @@ void kr_log_verbose(const char *fmt, ...);
 /**
  * @brief Return true if the query has request log handler installed.
  */
-#define kr_log_trace_enabled(query) ((query) && (query)->request && (query)->request->trace_log)
+#define kr_log_trace_enabled(query) (__builtin_expect( \
+	(query) && (query)->request && (query)->request->trace_log, \
+	false))
 
 /**
  * Log a message through the request log handler.