Revision: 19770
http://sourceforge.net/p/edk2/code/19770
Author: lzeng14
Date: 2016-01-29 09:15:33 +0000 (Fri, 29 Jan 2016)
Log Message:
-----------
MdePkg: Minor update to the Data parameter for GetVariable()
UEFI 2.6 spec has minor update to the Data parameter for GetVariable(),
and no real functional behavior change.
The modifier of Data parameter:
OUT VOID *Data
->
OUT VOID *Data OPTIONAL
The comments of Data parameter:
Data The buffer to return the contents of the variable.
->
Data The buffer to return the contents of the variable. May be NULL
with a zero DataSize in order to determine the size buffer needed.
The patch is to follow the spec to update the definition.
Cc: Liming Gao <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <[email protected]>
Reviewed-by: Liming Gao <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h
Modified: trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h
===================================================================
--- trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h 2016-01-29 06:45:39 UTC (rev
19769)
+++ trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h 2016-01-29 09:15:33 UTC (rev
19770)
@@ -5,7 +5,7 @@
If a code construct is defined in the UEFI 2.5 specification it must be
included
by this include file.
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2016, 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
@@ -628,7 +628,8 @@
attributes bitmask for the variable.
@param[in, out] DataSize On input, the size in bytes of the return
Data buffer.
On output the size of data returned in Data.
- @param[out] Data The buffer to return the contents of the
variable.
+ @param[out] Data The buffer to return the contents of the
variable. May be NULL
+ with a zero DataSize in order to determine
the size buffer needed.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_FOUND The variable was not found.
@@ -648,7 +649,7 @@
IN EFI_GUID *VendorGuid,
OUT UINT32 *Attributes, OPTIONAL
IN OUT UINTN *DataSize,
- OUT VOID *Data
+ OUT VOID *Data OPTIONAL
);
/**
------------------------------------------------------------------------------
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