netdev - Re: [ANNOUNCE] libnftnl 1.0.4 release

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Message-ID: <alpine.LSU.2.20.1509161400550.18792@nerf40.vanv.qr>
Date:	Wed, 16 Sep 2015 14:07:52 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...i.de>
To:	Pablo Neira Ayuso <pablo@...filter.org>
cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter@...r.kernel.org, netfilter-announce@...ts.netfilter.org,
	lwn@....net
Subject: Re: [ANNOUNCE] libnftnl 1.0.4 release


On Wednesday 2015-09-16 13:50, Pablo Neira Ayuso wrote:
>The Netfilter project proudly presents:
>
>        libnftnl 1.0.4

$ git diff libnftnl-1.0.3..libnftnl-1.0.4 src/libnftnl.map
diff --git a/src/libnftnl.map b/src/libnftnl.map
index be7b998..14ec88c 100644
--- a/src/libnftnl.map
+++ b/src/libnftnl.map
@@ -124,10 +123,12 @@ global:
   nft_set_attr_is_set;
   nft_set_attr_set;
   nft_set_attr_set_u32;
+  nft_set_attr_set_u64;
   nft_set_attr_set_str;
   nft_set_attr_get;
   nft_set_attr_get_str;
   nft_set_attr_get_u32;
+  nft_set_attr_get_u64;
   nft_set_nlmsg_build_payload;
   nft_set_nlmsg_parse;
   nft_set_parse;

You broke the ABI. A program that uses nft_set_attr_set_u64 and is
built against libnftnl-1.0.4 is marked to be compatible with the
"LIBNFTNL_1.0" symbol group, but this is incorrect, since the
nft_set_attr_set_u64 symbol did not previously exist.

Existing symbol groups in .map must not be extended. Always start
a new group.
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