From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 3 Apr 2018 22:01:19 +0000 (+0200)
Subject: hurd: Fix missing trailing NUL in __if_nametoindex
X-Git-Tag: glibc-2.28~384
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cd104f4ff43fed06aed9069cf662c4a5bc2ffbc0;p=thirdparty%2Fglibc.git

hurd: Fix missing trailing NUL in __if_nametoindex

* sysdeps/mach/hurd/if_index.c (__if_nametoindex): Pass the whole buffer
size to strncpy.
---

diff --git a/sysdeps/mach/hurd/if_index.c b/sysdeps/mach/hurd/if_index.c
index b56bfc7ecdd..de859ebc7c4 100644
--- a/sysdeps/mach/hurd/if_index.c
+++ b/sysdeps/mach/hurd/if_index.c
@@ -43,7 +43,7 @@ __if_nametoindex (const char *ifname)
       return 0;
     }
 
-  strncpy (ifr.ifr_name, ifname, IFNAMESIZ - 1);
+  strncpy (ifr.ifr_name, ifname, IFNAMESIZ);
   if (__ioctl (fd, SIOCGIFINDEX, &ifr) < 0)
     {
       int saved_errno = errno;