diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/if_index.c | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2018-04-03 Samuel Thibault <samuel.thibault@ens-lyon.org> + + * sysdeps/mach/hurd/if_index.c (__if_nametoindex): Always end + ifr.fr_name with a NUL caracter. + 2018-04-03 Wilco Dijkstra <wdijkstr@arm.com> * sysdeps/ieee754/dbl-64/s_sin.c (__sin): Cleanup ifdefs. 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; |