From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 4 Apr 2017 14:03:49 +0000 (+0200)
Subject: udp: udp_get_ifaddr() - coverity fix for ifr_name
X-Git-Tag: v4.2.1~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b6dd68f21c45ba681017860b6c9f8840740b8d7;p=thirdparty%2Ftvheadend.git

udp: udp_get_ifaddr() - coverity fix for ifr_name
---

diff --git a/src/udp.c b/src/udp.c
index 04edac326..20adf3747 100644
--- a/src/udp.c
+++ b/src/udp.c
@@ -128,7 +128,7 @@ udp_get_ifaddr( int fd, const char *ifname, struct in_addr *addr )
     return -1;
   
   memset(&ifreq, 0, sizeof(ifreq));
-  strncpy(ifreq.ifr_name, ifname, IFNAMSIZ);
+  strncpy(ifreq.ifr_name, ifname, IFNAMSIZ-1);
   
   if (ioctl(fd, SIOCGIFADDR, &ifreq) < 0)
     return -1;