FatPkg: Explicitly declare FAT_CLUSTER_SPECIAL as unsigned type

In FatPkg, cluster-related varibles are declared as unsigned type (e.g.
UINT32/UINTN). To keep the comparisions involving those variables
type-matched, declare the definition FAT_CLUSTER_SPECIAL as unsigned type
explicitly.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

diff --git a/FatPkg/EnhancedFatDxe/FatFileSystem.h b/FatPkg/EnhancedFatDxe/FatFileSystem.h
index a4d44054e16bb77b4baec1b4d835df1231c588d7..80cb802b0866c53285d35d1a0e3aaff81a422c5a 100644 (file)
--- a/FatPkg/EnhancedFatDxe/FatFileSystem.h
+++ b/FatPkg/EnhancedFatDxe/FatFileSystem.h
@@ -1,7 +1,7 @@
 /** @file\r
   Definitions for on-disk FAT structures.\r
 \r
-Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2005 - 2017, 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 which accompanies this\r
 distribution. The full text of the license may be found at\r
@@ -26,7 +26,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 //\r
 // FAT entry values\r
 //\r
-#define FAT_CLUSTER_SPECIAL_EXT       (-1 & (~0xF))\r
+#define FAT_CLUSTER_SPECIAL_EXT       (MAX_UINTN & (~0xF))\r
 #define FAT_CLUSTER_SPECIAL           ((FAT_CLUSTER_SPECIAL_EXT) | 0x07)\r
 #define FAT_CLUSTER_FREE              0\r
 #define FAT_CLUSTER_RESERVED          (FAT_CLUSTER_SPECIAL)\r

diff --git a/FatPkg/FatPei/FatLiteFmt.h b/FatPkg/FatPei/FatLiteFmt.h
index d4f26f35400c88d04a6432a311983cd2b5f4bf98..9872200090866efb4b93197ee0158a89f496715c 100644 (file)
--- a/FatPkg/FatPei/FatLiteFmt.h
+++ b/FatPkg/FatPei/FatLiteFmt.h
@@ -1,7 +1,7 @@
 /** @file\r
   FAT format data structures\r
 \r
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
 \r
 This program and the accompanying materials are licensed and made available\r
 under the terms and conditions of the BSD License which accompanies this\r
@@ -27,7 +27,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define FAT_ATTR_ARCHIVE                  0x20\r
 #define FAT_ATTR_LFN                      (FAT_ATTR_READ_ONLY | FAT_ATTR_HIDDEN | FAT_ATTR_SYSTEM | FAT_ATTR_VOLUME_ID)\r
 \r
-#define FAT_CLUSTER_SPECIAL               ((-1 &~0xF) | 0x7)\r
+#define FAT_CLUSTER_SPECIAL               ((MAX_UINT32 &~0xF) | 0x7)\r
 #define FAT_CLUSTER_FREE                  0\r
 #define FAT_CLUSTER_RESERVED              (FAT_CLUSTER_SPECIAL)\r
 #define FAT_CLUSTER_BAD                   (FAT_CLUSTER_SPECIAL)\r