[PATCH (2) 25/34] rtnetlink.3: Use sizeof consistently

Alejandro Colomar
2020-09-04T14:52:22Z

From eca0c1500aa4db77c8c8d079798fe080e83e9935 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <colomar.6.4.3@gmail.com>
Date: Thu, 3 Sep 2020 21:55:00 +0200
Subject: [PATCH 25/34] rtnetlink.3: Use sizeof consistently

Use ``sizeof`` consistently through all the examples in the following
way:

- Use the name of the variable instead of its type as argument for
``sizeof``.

Rationale:
https://www.kernel.org/doc/html/v5.8/process/coding-style.html#allocating-memory

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man3/rtnetlink.3 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man3/rtnetlink.3 b/man3/rtnetlink.3
index 07bb1fbf9..2d9fa05a2 100644
--- a/man3/rtnetlink.3
+++ b/man3/rtnetlink.3
@@ -105,7 +105,7 @@ unsigned int mtu = 1000;
int rtnetlink_sk = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);

memset(&req, 0, sizeof(req));
-req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
+req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(req.if));
req.nh.nlmsg_flags = NLM_F_REQUEST;
req.nh.nlmsg_type = RTM_NEWLINK;
req.if.ifi_family = AF_UNSPEC;
--
2.28.0