fix warning about ifr_name size

Signed-off-by: R4SAS <[email protected]>
PurpleI2P · Aug 23, 2021 · 455c71f · 455c71f
1 parent 96850da
commit 455c71f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libi2pd/util.cpp b/libi2pd/util.cpp
@@ -344,7 +344,7 @@ namespace net
 			if(fd > 0)
 			{
 				ifreq ifr;
-				strncpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ); // set interface for query
+				strncpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ-1); // set interface for query
 				if(ioctl(fd, SIOCGIFMTU, &ifr) >= 0)
 					mtu = ifr.ifr_mtu; // MTU
 				else