There is a limitation on WINDOWS OS for the length of entire file path can’t be larger than 255. There is an OS API provided by Microsoft to add “\\?\” before the path header to support the long file path. Enable this feature on basetools.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hess Chen <hesheng.chen@intel.com>
Reviewed-by: Yingke Liu <yingke.d.liu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15809 6f19259b-4bc3-4df7-8a09-765794883524

BaseTools/Source/C/Common/CommonLib.h

@@ -1,6 +1,6 @@
 /** @file
 
-Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2014, 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
 which accompanies this distribution.  The full text of the license may be found at
@@ -25,6 +25,12 @@ Abstract:
 #include <Common/UefiBaseTypes.h>
 #include <Common/BuildVersion.h>
 #define PRINTED_GUID_BUFFER_SIZE  37  // including null-termination
+
+#define MAX_LONG_FILE_PATH 500
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 //
 // Function declarations
 //
@@ -145,6 +151,27 @@ PrintGuidToBuffer (
   )
 ;
 
+CHAR8 *
+LongFilePath (
+ IN CHAR8 *FileName
+);
+/*++
+
+Routine Description:
+  Convert FileName to the long file path, which can support larger than 260 length. 
+
+Arguments:
+  FileName         - FileName. 
+
+Returns:
+  LongFilePath      A pointer to the converted long file path.
+  
+--*/
+
+#ifdef __cplusplus
+}
+#endif
+
 #define ASSERT(x) assert(x)
 
 #ifdef __GNUC__