--- src/openbsd.c.orig Sun Feb 23 11:26:02 2003 +++ src/openbsd.c Mon Feb 23 05:19:51 2015 @@ -128,7 +128,7 @@ int get_stat(void) /* search for the right network interface */ if (sdl->sdl_family != AF_LINK) continue; - if (strcmp(sdl->sdl_data, ifdata.if_name) != 0) + if (strncmp(sdl->sdl_data, ifdata.if_name, sdl->sdl_nlen) != 0) continue; strncpy(s, sdl->sdl_data, sdl->sdl_nlen); s[sdl->sdl_nlen] = '\0';