1 files changed, 17 insertions, 0 deletions
diff --git a/StdLib/LibC/Stdio/fgetwc.c b/StdLib/LibC/Stdio/fgetwc.c
index 548192390d..f2159d7e41 100644
--- a/StdLib/LibC/Stdio/fgetwc.c
+++ b/StdLib/LibC/Stdio/fgetwc.c
@@ -1,4 +1,13 @@
 /*-
+    Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+    This program and the accompanying materials are licensed and made available
+    under the terms and conditions of the BSD License that accompanies this
+    distribution.  The full text of the license may be found at
+    http://opensource.org/licenses/bsd-license.
+
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
  * Copyright (c)2001 Citrus Project,
  * All rights reserved.
  *
@@ -46,6 +55,10 @@ __fgetwc_unlock(FILE *fp)
   size_t size;
 
   _DIAGASSERT(fp != NULL);
+  if(fp == NULL) {
+    errno = ENOSTR;
+    return WEOF;
+  }
 
   _SET_ORIENTATION(fp, 1);
   wcio = WCIO_GET(fp);
@@ -91,6 +104,10 @@ fgetwc(FILE *fp)
   wint_t r;
 
   _DIAGASSERT(fp != NULL);
+  if(fp == NULL) {
+    errno = EINVAL;
+    return (WEOF);
+  }
 
   FLOCKFILE(fp);
   r = __fgetwc_unlock(fp);