diff options
Diffstat (limited to 'sysdeps/mach/hurd/if_index.c')
| -rw-r--r-- | sysdeps/mach/hurd/if_index.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/if_index.c b/sysdeps/mach/hurd/if_index.c index d637353d74..7f647b7036 100644 --- a/sysdeps/mach/hurd/if_index.c +++ b/sysdeps/mach/hurd/if_index.c @@ -37,7 +37,9 @@ __if_nametoindex (const char *ifname) if (fd < 0) return 0; - strncpy (ifr.ifr_name, ifname, IFNAMSIZ); + strncpy (ifr.ifr_name, ifname, IFNAMSIZ - 1); + ifr.ifr_name[IFNAMESIZ - 1] = '\0'; + if (__ioctl (fd, SIOCGIFINDEX, &ifr) < 0) { int saved_errno = errno; |