From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinicius Costa Gomes Subject: [PATCH iproute2 net-next v1 2/6] include: Add helper to retrieve a __s64 from a netlink msg Date: Fri, 28 Sep 2018 18:10:46 -0700 Message-ID: <20180929011050.14056-3-vinicius.gomes@intel.com> References: <20180929011050.14056-1-vinicius.gomes@intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Vinicius Costa Gomes , jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, jesus.sanchez-palencia@intel.com, ilias.apalodimas@linaro.org, simon.fok@baesystems.com To: netdev@vger.kernel.org Return-path: Received: from mga11.intel.com ([192.55.52.93]:19995 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727344AbeI2Hhe (ORCPT ); Sat, 29 Sep 2018 03:37:34 -0400 In-Reply-To: <20180929011050.14056-1-vinicius.gomes@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: This allows signed 64-bit integers to be retrieved from a netlink message. --- include/libnetlink.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/libnetlink.h b/include/libnetlink.h index 9d9249e6..88164975 100644 --- a/include/libnetlink.h +++ b/include/libnetlink.h @@ -185,6 +185,13 @@ static inline __u64 rta_getattr_u64(const struct rtattr *rta) memcpy(&tmp, RTA_DATA(rta), sizeof(__u64)); return tmp; } +static inline __s64 rta_getattr_s64(const struct rtattr *rta) +{ + __s64 tmp; + + memcpy(&tmp, RTA_DATA(rta), sizeof(__s64)); + return tmp; +} static inline const char *rta_getattr_str(const struct rtattr *rta) { return (const char *)RTA_DATA(rta); -- 2.19.0