libbb: add strncpy_IFNAMSIZ
function old new delta
...
udhcp_read_interface 225 220 -5
brctl_main 1151 1146 -5
add_interface 109 104 -5
ipaddr_list_or_flush 2174 2167 -7
do_add_ioctl 88 80 -8
vconfig_main 249 240 -9
do_del_ioctl 78 68 -10
do_iplink 1186 1173 -13
do_if_fetch 766 753 -13
buffer_fill_and_print 196 179 -17
parse_args 1709 1684 -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/20 up/down: 11/-140) Total: -129 bytes
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 29cebfa..5d1baac 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -447,7 +447,7 @@
* SIOCGIFFLAGS stomps over it because the requests
* are returned in a union.)
*/
- strncpy(ifr.ifr_name, ifrp->ifr_name, sizeof(ifr.ifr_name));
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifrp->ifr_name);
if (ioctl(fd, SIOCGIFFLAGS, (char *)&ifr) < 0) {
if (errno == ENXIO)
continue;