Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / shadow / putspent.c

diff --git a/shadow/putspent.c b/shadow/putspent.c
index dc0bcaafbcf9e5fdb5f7d0cdcf5d0d9d8ad4a4fa..fd57fec0affc19e3a1cf75c2b9c860cb07b1e96f 100644 (file)
--- a/shadow/putspent.c
+++ b/shadow/putspent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -12,17 +12,16 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
+#include <errno.h>
+#include <nss.h>
 #include <stdio.h>
 #include <shadow.h>
 
-#ifdef USE_IN_LIBIO
-# define flockfile(s) _IO_flockfile (s)
-# define funlockfile(s) _IO_funlockfile (s)
-#endif
+#define flockfile(s) _IO_flockfile (s)
+#define funlockfile(s) _IO_funlockfile (s)
 
 #define _S(x)  x ? x : ""
 
@@ -34,6 +33,13 @@ putspent (const struct spwd *p, FILE *stream)
 {
   int errors = 0;
 
+  if (p->sp_namp == NULL || !__nss_valid_field (p->sp_namp)
+      || !__nss_valid_field (p->sp_pwdp))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
   flockfile (stream);
 
   if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0)