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-rw-r--r--FatPkg/EnhancedFatDxe/FatFileSystem.h4
-rw-r--r--FatPkg/FatPei/FatLiteFmt.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/FatPkg/EnhancedFatDxe/FatFileSystem.h b/FatPkg/EnhancedFatDxe/FatFileSystem.h
index a4d44054e1..80cb802b08 100644
--- a/FatPkg/EnhancedFatDxe/FatFileSystem.h
+++ b/FatPkg/EnhancedFatDxe/FatFileSystem.h
@@ -1,7 +1,7 @@
/** @file
Definitions for on-disk FAT structures.
-Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 2017, 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
@@ -26,7 +26,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
// FAT entry values
//
-#define FAT_CLUSTER_SPECIAL_EXT (-1 & (~0xF))
+#define FAT_CLUSTER_SPECIAL_EXT (MAX_UINTN & (~0xF))
#define FAT_CLUSTER_SPECIAL ((FAT_CLUSTER_SPECIAL_EXT) | 0x07)
#define FAT_CLUSTER_FREE 0
#define FAT_CLUSTER_RESERVED (FAT_CLUSTER_SPECIAL)
diff --git a/FatPkg/FatPei/FatLiteFmt.h b/FatPkg/FatPei/FatLiteFmt.h
index d4f26f3540..9872200090 100644
--- a/FatPkg/FatPei/FatLiteFmt.h
+++ b/FatPkg/FatPei/FatLiteFmt.h
@@ -1,7 +1,7 @@
/** @file
FAT format data structures
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2017, 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
@@ -27,7 +27,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define FAT_ATTR_ARCHIVE 0x20
#define FAT_ATTR_LFN (FAT_ATTR_READ_ONLY | FAT_ATTR_HIDDEN | FAT_ATTR_SYSTEM | FAT_ATTR_VOLUME_ID)
-#define FAT_CLUSTER_SPECIAL ((-1 &~0xF) | 0x7)
+#define FAT_CLUSTER_SPECIAL ((MAX_UINT32 &~0xF) | 0x7)
#define FAT_CLUSTER_FREE 0
#define FAT_CLUSTER_RESERVED (FAT_CLUSTER_SPECIAL)
#define FAT_CLUSTER_BAD (FAT_CLUSTER_SPECIAL)