From: Jeremy Sowden <jeremy@azazel.net>
Date: Sun, 25 Oct 2020 13:15:52 +0000 (+0100)
Subject: pknlusr: use macro to define inet_ntop buffer size
X-Git-Tag: v3.12~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0a1aacd4b726d59a3e70e3b78223106667163a5;p=thirdparty%2Fxtables-addons.git

pknlusr: use macro to define inet_ntop buffer size

POSIX provides a macro to define the minimum length required, so let's
use it.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
---

diff --git a/extensions/pknock/pknlusr.c b/extensions/pknock/pknlusr.c
index 6fe1d4a..16a9af9 100644
--- a/extensions/pknock/pknlusr.c
+++ b/extensions/pknock/pknlusr.c
@@ -47,7 +47,7 @@ int main(void)
 
 	while(1) {
 		const char *ip;
-		char ipbuf[48];
+		char ipbuf[INET_ADDRSTRLEN];
 
 		memset(nlmsg, 0, nlmsg_size);
 		status = recv(sock_fd, nlmsg, nlmsg_size, 0);