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>
This commit is contained in:
Hao Wu
2016-08-17 14:24:04 +08:00
parent bce0133b7f
commit 1944b02b03
13 changed files with 335 additions and 9 deletions

View File

@@ -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