From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinicius Costa Gomes Subject: [PATCH iproute2 net-next v3 3/6] libnetlink: Add helper for getting a __s32 from netlink msgs Date: Fri, 5 Oct 2018 16:25:19 -0700 Message-ID: <20181005232522.4848-4-vinicius.gomes@intel.com> References: <20181005232522.4848-1-vinicius.gomes@intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Jesus Sanchez-Palencia , jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, ilias.apalodimas@linaro.org, simon.fok@baesystems.com To: netdev@vger.kernel.org Return-path: Received: from mga07.intel.com ([134.134.136.100]:23295 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726505AbeJFG0y (ORCPT ); Sat, 6 Oct 2018 02:26:54 -0400 In-Reply-To: <20181005232522.4848-1-vinicius.gomes@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jesus Sanchez-Palencia This function retrieves a signed 32-bit integer from a netlink message and returns it. Signed-off-by: Jesus Sanchez-Palencia --- include/libnetlink.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/libnetlink.h b/include/libnetlink.h index ffc49e56..c44c3c72 100644 --- a/include/libnetlink.h +++ b/include/libnetlink.h @@ -185,6 +185,10 @@ static inline __u64 rta_getattr_u64(const struct rtattr *rta) memcpy(&tmp, RTA_DATA(rta), sizeof(__u64)); return tmp; } +static inline __s32 rta_getattr_s32(const struct rtattr *rta) +{ + return *(__s32 *)RTA_DATA(rta); +} static inline __s64 rta_getattr_s64(const struct rtattr *rta) { __s64 tmp; -- 2.19.0