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Don't redefine offsetof when already defined by e.g. stddef.h

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Christian Ruppert 2011-06-21 00:05:08 +02:00 • committed by Thomas Graf
parent e56eb065b2
commit 4806c5c058
1 changed files with 5 additions and 0 deletions
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5
include/netlink-local.h
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@ -43,6 +43,7 @@
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/ethtool.h>
#include <linux/pkt_sched.h>
#include <linux/pkt_cls.h>
#include <linux/gen_stats.h>
@ -126,7 +127,11 @@ static inline int nl_cb_call(struct nl_cb *cb, int type, struct nl_msg *msg)
}
#define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0]))
/* This is also defined in stddef.h */
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
#define __init __attribute__ ((constructor))
#define __exit __attribute__ ((destructor))