From 4f811ff6e0b765f667e6bbaa0e0e869ceef535d4 Mon Sep 17 00:00:00 2001
From: chme <christian.meffert@googlemail.com>
Date: Sat, 16 Dec 2017 15:46:37 +0100
Subject: [PATCH] [logger] Return early if severity or domain do not match

---
 src/logger.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/logger.c b/src/logger.c
index db8dd96d..65330db2 100644
--- a/src/logger.c
+++ b/src/logger.c
@@ -164,6 +164,11 @@ DPRINTF(int severity, int domain, const char *fmt, ...)
 {
   va_list ap;
 
+  // If domain and severity do not match the current log configuration, return early to
+  // safe some unnecessary code execution (tiny performance gain)
+  if (logger_initialized && (!((1 << domain) & logdomains) || (severity > threshold)))
+    return;
+
   va_start(ap, fmt);
   vlogger(severity, domain, fmt, ap);
   va_end(ap);