ArmVirtPkg/ArmVirtXen: add missing BdsLib instance

[mirror_edk2.git] / StdLib / LibC / Stdio / fprintf.c

diff --git a/StdLib/LibC/Stdio/fprintf.c b/StdLib/LibC/Stdio/fprintf.c
index ba6ec0c22e5387612d99a7346734c6977b9e715a..7134c5c5e63a3a900fbba602d43b0d4ef162e2ef 100644 (file)
--- a/StdLib/LibC/Stdio/fprintf.c
+++ b/StdLib/LibC/Stdio/fprintf.c
@@ -1,11 +1,11 @@
 /** @file\r
     Implementation of fprintf as declared in <stdio.h>.\r
 \r
-    Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
+    Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
     This program and the accompanying materials are licensed and made available\r
     under the terms and conditions of the BSD License that accompanies this\r
     distribution.  The full text of the license may be found at\r
-    http://opensource.org/licenses/bsd-license.php.\r
+    http://opensource.org/licenses/bsd-license.\r
 \r
     THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
     WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
@@ -58,6 +58,10 @@ fprintf(FILE *fp, const char *fmt, ...)
 \r
   _DIAGASSERT(fp != NULL);\r
   _DIAGASSERT(fmt != NULL);\r
+  if(fp == NULL) {\r
+    errno = EINVAL;\r
+    return (EOF);\r
+  }\r
 \r
   va_start(ap, fmt);\r
   ret = vfprintf(fp, fmt, ap);\r