From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinicius Costa Gomes Subject: [RFC iproute2-next v1 2/5] include: Add helper to retrieve a __s64 from a netlink msg Date: Fri, 13 Jul 2018 17:06:08 -0700 Message-ID: <20180714000611.1179-3-vinicius.gomes@intel.com> References: <20180714000611.1179-1-vinicius.gomes@intel.com> Cc: Vinicius Costa Gomes , jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, jesus.sanchez-palencia@intel.com To: netdev@vger.kernel.org Return-path: Received: from mga12.intel.com ([192.55.52.136]:16148 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731897AbeGNAXL (ORCPT ); Fri, 13 Jul 2018 20:23:11 -0400 In-Reply-To: <20180714000611.1179-1-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); -- 2.18.0