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| author | Hao Wu <hao.a.wu@intel.com> | 2016-08-17 14:24:04 +0800 |
|---|---|---|
| committer | Hao Wu <hao.a.wu@intel.com> | 2016-08-22 18:54:30 +0800 |
| commit | 1944b02b03e14d023e8f2cd3d614df6eca9dc8f0 (patch) | |
| tree | 9e2a414e4971aa0b627f27833d40fdb1772f81a8 /MdePkg/Include/Library | |
| parent | bce0133b7f0d5583c53fae0e80597568a3c8c411 (diff) | |
| download | edk2-1944b02b03e14d023e8f2cd3d614df6eca9dc8f0.zip edk2-1944b02b03e14d023e8f2cd3d614df6eca9dc8f0.tar.gz edk2-1944b02b03e14d023e8f2cd3d614df6eca9dc8f0.tar.bz2 | |
MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer()
Add the implementation of API IsZeroBuffer() via C language for the
following library instances:
BaseMemoryLib
PeiMemoryLib
UefiMemoryLib
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg/Include/Library')
| -rw-r--r-- | MdePkg/Include/Library/BaseMemoryLib.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h index ed7fa00..0e565c1 100644 --- a/MdePkg/Include/Library/BaseMemoryLib.h +++ b/MdePkg/Include/Library/BaseMemoryLib.h @@ -463,4 +463,27 @@ IsZeroGuid ( IN CONST GUID *Guid
);
+/**
+ Checks if the contents of a buffer are all zeros.
+
+ This function checks whether the contents of a buffer are all zeros. If the
+ contents are all zeros, return TRUE. Otherwise, return FALSE.
+
+ If Length > 0 and Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ @param Buffer The pointer to the buffer to be checked.
+ @param Length The size of the buffer (in bytes) to be checked.
+
+ @retval TRUE Contents of the buffer are all zeros.
+ @retval FALSE Contents of the buffer are not all zeros.
+
+**/
+BOOLEAN
+EFIAPI
+IsZeroBuffer (
+ IN CONST VOID *Buffer,
+ IN UINTN Length
+ );
+
#endif
|