forked from pool/bcache-tools
41 lines
1014 B
Diff
41 lines
1014 B
Diff
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From 1129319af1cb5ec0cd38b283a4a3d14e55d616c7 Mon Sep 17 00:00:00 2001
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From: Coly Li <colyli@suse.de>
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Date: Sun, 16 Aug 2020 23:57:56 +0800
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Subject: [PATCH 06/17] bcache-tools: list.h: only define offsetof() when it is
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undefined
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Git-commit: 1129319af1cb5ec0cd38b283a4a3d14e55d616c7
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Patch-mainline: bcache-tools-1.1
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References: jsc#SLE-9807
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For new gcc headers, offsetof() is defined, the definition in list.h
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will be warned as redefined.
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This patch checks whether offsetof() is defined, and only defines local
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version of offsetof() when it is not defined by gcc headers.
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Signed-off-by: Coly Li <colyli@suse.de>
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---
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list.h | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/list.h b/list.h
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index 55d2bb4..458281d 100644
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--- a/list.h
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+++ b/list.h
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@@ -25,10 +25,12 @@
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*/
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/*@{*/
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+#ifndef offsetof
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/**
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* Get offset of a member
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*/
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#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
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+#endif /* offsetof*/
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/**
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* Casts a member of a structure out to the containing structure
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--
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2.26.2
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