From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinicius Costa Gomes Subject: [PATCH iproute2 net-next v2 3/6] libnetlink: Add helper for getting a __s32 from netlink msgs Date: Thu, 4 Oct 2018 16:17:08 -0700 Message-ID: <20181004231711.6058-4-vinicius.gomes@intel.com> References: <20181004231711.6058-1-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 mga06.intel.com ([134.134.136.31]:56238 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725998AbeJEGNO (ORCPT ); Fri, 5 Oct 2018 02:13:14 -0400 In-Reply-To: <20181004231711.6058-1-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 88164975..79ba793e 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