From 8c826de0fd9625ccebb017a005f2b7fdcc66631d Mon Sep 17 00:00:00 2001
From: Kazuki Yamaguchi <k@rhe.jp>
Date: Fri, 21 Apr 2017 11:50:14 +0900
Subject: ext/socket/addrinfo.h: don't define offsetof() macro

It's part of C89. Let's not define ourselves, as Ruby will not compile
anyway on a system without offsetof().
---
 ext/socket/addrinfo.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/ext/socket/addrinfo.h b/ext/socket/addrinfo.h
index 8601d99a77..8163dc9c95 100644
--- a/ext/socket/addrinfo.h
+++ b/ext/socket/addrinfo.h
@@ -171,11 +171,4 @@ const
 #endif
 char *gai_strerror(int);
 
-/* In case there is no definition of offsetof() provided - though any proper
-Standard C system should have one. */
-
-#ifndef offsetof
-#define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
-#endif
-
 #endif
-- 
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