From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 5 Oct 2025 14:04:30 +0000 (+0000)
Subject: util: Add macros for branch prediction
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=feae6c58aaf710febdb160c1cfbb2e523bc10c1f;p=collecty.git

util: Add macros for branch prediction

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/util.h b/src/daemon/util.h
index bbe075b..86865e1 100644
--- a/src/daemon/util.h
+++ b/src/daemon/util.h
@@ -24,6 +24,10 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+// Macros to help the compiler with branch prediction
+#define likely(x)               __builtin_expect(!!(x), 1)
+#define unlikely(x)             __builtin_expect(!!(x), 0)
+
 #ifndef HAVE_SECURE_GETENV
 #  ifdef HAVE___SECURE_GETENV
 #    define secure_getenv __secure_getenv