From 7c76b948214d2d79c772f0f926b3f139713fc0ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Hrdli=C4=8Dka?= <dhrdlicka@users.noreply.github.com>
Date: Wed, 16 Dec 2020 20:40:22 +0100
Subject: [PATCH] slirp: rewrite macro to remove void* arithmetic

---
 src/network/slirp/util.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/network/slirp/util.h b/src/network/slirp/util.h
index 317b7d849..4a5c5d88a 100644
--- a/src/network/slirp/util.h
+++ b/src/network/slirp/util.h
@@ -59,11 +59,7 @@
 #endif
 
 #ifndef container_of
-#define container_of(ptr, type, member)              \
-    __extension__({                                  \
-        void *__mptr = (void *)(ptr);                \
-        ((type *)(__mptr - offsetof(type, member))); \
-    })
+#define container_of(ptr, type, member) ((type *)((char *)(ptr) - offsetof(type, member)));
 #endif
 
 #ifndef G_SIZEOF_MEMBER