From 2a1288ff89322a2f49c79f6d1832c8164c14a05c Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 10 Jun 2015 19:10:47 +0200
Subject: util: introduce CMSG_FOREACH() macro and make use of it everywhere

It's only marginally shorter then the usual for() loop, but certainly
more readable.
---
 src/shared/macro.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/shared/macro.h')

diff --git a/src/shared/macro.h b/src/shared/macro.h
index 7ae1ed80b6..cc1c9e73c0 100644
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -467,4 +467,7 @@ do {                                                                    \
         }                                                       \
         struct __useless_struct_to_allow_trailing_semicolon__
 
+#define CMSG_FOREACH(cmsg, mh)                                          \
+        for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))
+
 #include "log.h"
-- 
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