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 6fe1d4a337e708b2cd9faa6ab5aa37f860443d13..16a9af917767ad9dfb363013487bc7e0e0bea028 100644 (file)
--- 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);